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Commit 94520e42 authored by Linus Torvalds's avatar Linus Torvalds
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Import 2.1.51pre1

parent 6efe5c37
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CREDITS
View file @ 94520e42
......@@ -586,11 +586,9 @@ S: 34131 Kassel
S: Germany
N: Richard Henderson
E: rth@tamu.edu
E: richard@gnu.ai.mit.edu
E: rth@cygnus.com
D: Alpha/ELF, gcc, binutils, and glibc
S: 304 E. North Ave.
S: Bryan, Texas 77801-3431
S: USA
N: Sebastian Hetze
E: she@lunetix.de
......@@ -929,6 +927,13 @@ S: Australian National University
S: Canberra ACT 0200
S: AUSTRALIA
N: Pavel Machek
E: pavel@atrey.karlin.mff.cuni.cz
D: Softcursor for vga, hypertech cdrom support, vcsa bugfix
S: Volkova 1131
S: 198 00 Praha 9
S: Czech Republic
N: James B. MacLean
E: macleajb@ednet.ns.ca
W: http://www.ednet.ns.ca/~macleajb/dosemu.html
......@@ -1156,7 +1161,7 @@ E: orc@pell.chi.il.us
D: improved memory detection code.
N: Avery Pennarun
E: apenwarr@foxnet.net
E: apenwarr@bond.net
D: ARCnet driver
D: "make xconfig" improvements
D: Various minor hacking
......@@ -1655,6 +1660,14 @@ S: Oosterstraat 23
S: 2611 TT Delft
S: The Netherlands
N: David Woodhouse
E: dwmw2@cam.ac.uk
D: Extensive ARCnet rewrite
D: ARCnet COM20020, COM90xx IO-MAP drivers
S: Robinson College, Grange Road
S: Cambridge. CB3 9AN
S: England
N: Frank Xia
E: qx@math.columbia.edu
D: Xiafs filesystem [defunct]
......
MAINTAINERS
View file @ 94520e42
......@@ -95,6 +95,13 @@ M: phil@tazenda.demon.co.uk
L: linux-net@vger.rutgers.edu
S: Maintained
NI5010 NETWORK DRIVER
P: Jan-Pascal van Best and Andreas Mohr
M: jvbest@qv3pluto.leidenuniv.nl (Best)
M: 100.30936@germany.net (Mohr)
L: linux-net@vger.rutgers.edu
S: Maintained
TLAN NETWORK DRIVER
P: James Banks
M: james.banks@caldera.com
......@@ -259,9 +266,8 @@ L: linux-m68k@phil.uni-sb.de
S: Maintained
MODULE SUPPORT [GENERAL], KERNELD
P: Bjorn Ekwall
M: bj0rn@blox.se
W: http://www.pi.se/blox/modules/
P: Richard Henderson
M: richard@gnu.ai.mit.edu
L: linux-kernel@vger.rutgers.edu
S: Maintained
......
Makefile
View file @ 94520e42
VERSION = 2
PATCHLEVEL = 1
SUBLEVEL = 50
SUBLEVEL = 51
ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/)
......@@ -149,6 +149,10 @@ ifdef CONFIG_SBUS
DRIVERS := $(DRIVERS) drivers/sbus/sbus.a
endif
ifdef CONFIG_PPC
DRIVERS := $(DRIVERS) drivers/macintosh/macintosh.a
endif
ifdef CONFIG_PNP
DRIVERS := $(DRIVERS) drivers/pnp/pnp.a
endif
......
arch/i386/defconfig
View file @ 94520e42
......@@ -148,6 +148,8 @@ CONFIG_SCSI_OMIT_FLASHPOINT=y
# CONFIG_SCSI_T128 is not set
# CONFIG_SCSI_U14_34F is not set
# CONFIG_SCSI_ULTRASTOR is not set
# CONFIG_SCSI_MESH is not set
# CONFIG_SCSI_MAC53C94 is not set
#
# Network device support
......@@ -214,6 +216,7 @@ CONFIG_ISO9660_FS=y
# CONFIG_ROMFS_FS is not set
CONFIG_AUTOFS_FS=y
# CONFIG_UFS_FS is not set
# CONFIG_MAC_PARTITION is not set
#
# Character devices
......
arch/i386/kernel/i386_ksyms.c
View file @ 94520e42
......@@ -7,6 +7,7 @@
#include <linux/sched.h>
#include <linux/in6.h>
#include <linux/interrupt.h>
#include <linux/smp_lock.h>
#include <asm/semaphore.h>
#include <asm/processor.h>
......@@ -49,6 +50,7 @@ EXPORT_SYMBOL_NOVERS(kernel_flag);
EXPORT_SYMBOL_NOVERS(active_kernel_processor);
EXPORT_SYMBOL(smp_invalidate_needed);
EXPORT_SYMBOL_NOVERS(__lock_kernel);
EXPORT_SYMBOL(lk_lockmsg);
/* Global SMP irq stuff */
EXPORT_SYMBOL(synchronize_irq);
......
arch/m68k/kernel/Makefile
View file @ 94520e42
......@@ -13,7 +13,7 @@
all: kernel.o head.o
O_TARGET := kernel.o
O_OBJS := entry.o process.o traps.o ints.o signal.o ptrace.o \
setup.o bios32.o sys_m68k.o time.o
setup.o sys_m68k.o time.o
ifdef CONFIG_VT
O_OBJS += console.o
endif
......
arch/m68k/kernel/bios32.c deleted 100644 → 0
View file @ 6efe5c37
/*
* bios 32 replacement
*/
unsigned long bios32_init(unsigned long memory_start, unsigned long memory_end)
{
return memory_start;
}
arch/m68k/kernel/process.c
View file @ 94520e42
......@@ -65,7 +65,7 @@ asmlinkage int sys_idle(void)
current->priority = -100;
current->counter = -100;
for (;;){
if (!need_resched)
if (!resched_needed())
#if defined(CONFIG_ATARI) && !defined(CONFIG_AMIGA) && !defined(CONFIG_MAC)
/* block out HSYNC on the atari (falcon) */
__asm__("stop #0x2200" : : : "cc");
......
arch/m68k/kernel/ptrace.c
View file @ 94520e42
......@@ -526,7 +526,7 @@ asmlinkage void syscall_trace(void)
goto out;
current->exit_code = SIGTRAP;
current->state = TASK_STOPPED;
notify_parent(current);
notify_parent(current, SIGCHLD);
schedule();
/*
* this isn't the same as continuing with a signal, but it will do
......
arch/m68k/kernel/signal.c
View file @ 94520e42
......@@ -441,7 +441,7 @@ asmlinkage int do_signal(unsigned long oldmask, struct pt_regs *regs)
regs->pc -= 2;
}
}
notify_parent(current);
notify_parent(current, SIGCHLD);
schedule();
if (!(signr = current->exit_code)) {
discard_frame:
......@@ -489,7 +489,7 @@ asmlinkage int do_signal(unsigned long oldmask, struct pt_regs *regs)
current->exit_code = signr;
if (!(current->p_pptr->sig->action[SIGCHLD-1].sa_flags &
SA_NOCLDSTOP))
notify_parent(current);
notify_parent(current, SIGCHLD);
schedule();
continue;
......
arch/mips/Makefile
View file @ 94520e42
......@@ -13,29 +13,30 @@
# Copyright (C) 1994, 1995, 1996 by Ralf Baechle
# DECStation modifications by Paul M. Antoine, 1996
#
# $Id: Makefile,v 1.7 1997/06/30 15:52:03 ralf Exp $
# $Id: Makefile,v 1.8 1997/08/08 18:11:35 miguel Exp $
#
#
# Select the object file format to substitute into the linker script.
#
ifdef CONFIG_CPU_LITTLE_ENDIAN
CROSS_COMPILE = mipsel-linux-
CROSS_COMPILE = mipsel-linux-
ifdef CONFIG_MIPS_ECOFF
oformat = ecoff-littlemips
oformat = ecoff-littlemips
else
oformat = elf32-littlemips
oformat = elf32-littlemips
endif
else
CROSS_COMPILE = mips-linux-
CROSS_COMPILE = mips-linux-
ifdef CONFIG_MIPS_ECOFF
oformat = ecoff-bigmips
oformat = ecoff-bigmips
else
oformat = elf32-bigmips
oformat = elf32-bigmips
endif
endif
LINKFLAGS = -static -N
MODFLAGS += -mlong-calls
#
# The new ELF GCC uses -G0 -mabicalls -fpic as default. We don't need PIC
......
arch/mips/boot/Makefile
View file @ 94520e42
......@@ -41,7 +41,6 @@ zdisk: zImage
fi
dep:
$(CPP) -M *.[cS] > .depend
clean:
rm -f zImage zImage.tmp mkboot
......
arch/mips/config.in
View file @ 94520e42
......@@ -27,6 +27,9 @@ if [ "$CONFIG_MIPS_MAGNUM_4000" = "y" -o \
fi
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
bool 'Support for SGI workstations' CONFIG_SGI
if [ "$CONFIG_SGI" = "y" ]; then
bool 'Support for SGI graphic devices' CONFIG_SGI_GRAPHICS
fi
fi
bool 'Support for SNI RM200 PCI' CONFIG_SNI_RM200_PCI
if [ "$CONFIG_DESKSTATION_RPC44" = "y" -o \
......@@ -69,6 +72,7 @@ else
fi
if [ "$CONFIG_CPU_LITTLE_ENDIAN" = "n" ]; then
define_bool CONFIG_BINFMT_IRIX y
define_bool CONFIG_FORWARD_KEYBOARD y
fi
define_bool CONFIG_BINFMT_ELF y
define_bool CONFIG_BINFMT_AOUT n
......@@ -93,12 +97,7 @@ if [ "$CONFIG_MODULES" = "y" ]; then
bool 'Kernel daemon support (e.g. autoload of modules)' CONFIG_KERNELD
fi
#
# All SGI block devices are SCSI based AFAIK. -davem
#
if [ "$CONFIG_SGI" != "y" ]; then
source drivers/block/Config.in
fi
source drivers/block/Config.in
if [ "$CONFIG_NET" = "y" ]; then
source net/Config.in
......@@ -215,3 +214,5 @@ if [ "$CONFIG_PROFILE" = "y" ]; then
int ' Profile shift count' CONFIG_PROFILE_SHIFT 2
fi
endmenu
define_bool CONFIG_VGA_CONSOLE y
arch/mips/defconfig
View file @ 94520e42
......@@ -38,7 +38,7 @@ CONFIG_BINFMT_ELF=y
CONFIG_NET=y
CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
# CONFIG_PNP_PARPORT is not set
# CONFIG_PARPORT is not set
#
# Loadable module support
......@@ -133,6 +133,7 @@ CONFIG_PCNET32=y
# CONFIG_NET_POCKET is not set
# CONFIG_FDDI is not set
# CONFIG_DLCI is not set
# CONFIG_PLIP is not set
# CONFIG_PPP is not set
# CONFIG_NET_RADIO is not set
# CONFIG_SLIP is not set
......@@ -154,9 +155,6 @@ CONFIG_PCNET32=y
# Filesystems
#
# CONFIG_QUOTA is not set
# CONFIG_DCACHE_PRELOAD is not set
# CONFIG_OMIRR is not set
# CONFIG_TRANS_NAMES is not set
# CONFIG_MINIX_FS is not set
CONFIG_EXT2_FS=y
# CONFIG_FAT_FS is not set
......@@ -194,6 +192,7 @@ CONFIG_SERIAL=y
# CONFIG_APM is not set
# CONFIG_WATCHDOG is not set
# CONFIG_RTC is not set
# CONFIG_JOYSTICK is not set
#
# Sound
......
arch/mips/deskstation/hw-access.c
View file @ 94520e42
......@@ -5,10 +5,13 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1996 by Ralf Baechle
* Copyright (C) 1996, 1997 by Ralf Baechle
*
* $Id: hw-access.c,v 1.2 1997/08/08 18:11:57 miguel Exp $
*/
#include <linux/config.h>
#include <linux/delay.h>
#include <linux/kbdcntrlr.h>
#include <linux/kernel.h>
#include <linux/linkage.h>
#include <linux/types.h>
......@@ -194,3 +197,32 @@ struct feature deskstation_rpc44_feature = {
rtc_write_data
};
#endif
static unsigned char dtc_read_input(void)
{
return inb(KBD_DATA_REG);
}
static void dtc_write_output(unsigned char val)
{
outb(val, KBD_DATA_REG);
}
static void dtc_write_command(unsigned char val)
{
outb(val, KBD_CNTL_REG);
}
static unsigned char dtc_read_status(void)
{
return inb(KBD_STATUS_REG);
}
static void dtc_rm200_keyboard_setup(void)
{
kbd_read_input = dtc_read_input;
kbd_write_output = dtc_write_output;
kbd_write_command = dtc_write_command;
kbd_read_status = dtc_read_status;
request_region(0x60, 16, "keyboard");
}
arch/mips/deskstation/setup.c
View file @ 94520e42
......@@ -6,6 +6,8 @@
* for more details.
*
* Copyright (C) 1996, 1997 by Ralf Baechle
*
* $Id: setup.c,v 1.2 1997/08/08 18:11:59 miguel Exp $
*/
#include <linux/config.h>
#include <linux/init.h>
......@@ -102,6 +104,7 @@ __initfunc(void deskstation_setup(void))
#endif
}
fd_cacheflush = deskstation_fd_cacheflush;
keyboard_setup = dtc_keyboard_setup;
request_region(0x00,0x20,"dma1");
request_region(0x40,0x20,"timer");
request_region(0x70,0x10,"rtc");
......
arch/mips/jazz/g364.c
View file @ 94520e42
......@@ -45,13 +45,13 @@ unsigned video_res_x;
/*
* Various defines for the G364
*/
#define G364_MEM_BASE 0xe0800000
#define G364_PORT_BASE 0xe0200000
#define ID_REG 0xe0200000 /* Read only */
#define BOOT_REG 0xe0280000
#define TIMING_REG 0xe0280108 /* to 0x080170 - DON'T TOUCH! */
#define MASK_REG 0xe0280200
#define CTLA_REG 0xe0280300
#define G364_MEM_BASE 0xe4400000
#define G364_PORT_BASE 0xe4000000
#define ID_REG 0xe4000000 /* Read only */
#define BOOT_REG 0xe4080000
#define TIMING_REG 0xe4080108 /* to 0x080170 - DON'T TOUCH! */
#define MASK_REG 0xe4080200
#define CTLA_REG 0xe4080300
#define CURS_TOGGLE 0x800000
#define BIT_PER_PIX 0x700000 /* bits 22 to 20 of Control A */
#define DELAY_SAMPLE 0x080000
......@@ -72,14 +72,14 @@ unsigned video_res_x;
#define INTL_STAND 0x000004
#define SCRN_FORM 0x000002
#define ENABLE_VTG 0x000001
#define TOP_REG 0xe0280400
#define CURS_PAL_REG 0xe0280508 /* to 0x080518 */
#define CHKSUM_REG 0xe0280600 /* to 0x080610 - unused */
#define CURS_POS_REG 0xe0280638
#define CLR_PAL_REG 0xe0280800 /* to 0x080ff8 */
#define CURS_PAT_REG 0xe0281000 /* to 0x081ff8 */
#define MON_ID_REG 0xe0300000 /* unused */
#define RESET_REG 0xe0380000 /* Write only */
#define TOP_REG 0xe4080400
#define CURS_PAL_REG 0xe4080508 /* to 0x080518 */
#define CHKSUM_REG 0xe4080600 /* to 0x080610 - unused */
#define CURS_POS_REG 0xe4080638
#define CLR_PAL_REG 0xe4080800 /* to 0x080ff8 */
#define CURS_PAT_REG 0xe4081000 /* to 0x081ff8 */
#define MON_ID_REG 0xe4100000 /* unused */
#define RESET_REG 0xe4180000 /* Write only */
/*
* built-in font management constants
......
arch/mips/jazz/hw-access.c
View file @ 94520e42
......@@ -5,7 +5,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1995, 1996 by Ralf Baechle
* Copyright (C) 1995, 1996, 1997 by Ralf Baechle
*/
#include <linux/delay.h>
#include <linux/linkage.h>
......@@ -15,6 +15,7 @@
#include <asm/vector.h>
#include <asm/jazz.h>
#include <asm/jazzdma.h>
#include <asm/keyboard.h>
#include <asm/pgtable.h>
#include <asm/mc146818rtc.h>
......@@ -146,3 +147,35 @@ struct feature jazz_feature = {
rtc_read_data,
rtc_write_data
};
static volatile keyboard_hardware *jazz_kh = (keyboard_hardware *)JAZZ_KEYBOARD_ADDRESS;
static unsigned char jazz_read_input(void)
{
return jazz_kh->data;
}
static void jazz_write_output(unsigned char val)
{
jazz_kh->data = val;
}
static void jazz_write_command(unsigned char val)
{
jazz_kh->command = val;
}
static unsigned char jazz_read_status(void)
{
return jazz_kh->command;
}
void jazz_keyboard_setup(void)
{
kbd_read_input = jazz_read_input;
kbd_write_output = jazz_write_output;
kbd_write_command = jazz_write_command;
kbd_read_status = jazz_read_status;
request_region(0x60, 16, "keyboard");
r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, r4030_read_reg16(JAZZ_IO_IRQ_ENABLE) | JAZZ_IE_KEYBOARD);
}
arch/mips/jazz/jazzdma.c
View file @ 94520e42
......@@ -514,3 +514,18 @@ int vdma_get_residue(int channel)
return residual;
}
/*
* Get DMA channel enable register
*/
int vdma_get_enable(int channel)
{
int enable;
enable = r4030_read_reg32(JAZZ_R4030_CHNL_ENABLE+(channel<<5));
if (vdma_debug)
printk("vdma_get_enable: channel %d: enable=%d\n",channel,enable);
return enable;
}
arch/mips/jazz/setup.c
View file @ 94520e42
......@@ -11,13 +11,16 @@
#include <linux/ioport.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/mm.h>
#include <asm/bootinfo.h>
#include <asm/keyboard.h>
#include <asm/irq.h>
#include <asm/jazz.h>
#include <asm/ptrace.h>
#include <asm/reboot.h>
#include <asm/vector.h>
#include <asm/io.h>
#include <asm/pgtable.h>
/*
* Initial irq handlers.
......@@ -32,6 +35,7 @@ static struct irqaction irq2 = { no_action, 0, 0, "cascade", NULL, NULL};
extern asmlinkage void jazz_handle_int(void);
extern asmlinkage void jazz_fd_cacheflush(const void *addr, size_t size);
extern struct feature jazz_feature;
extern void jazz_keyboard_setup(void);
extern void jazz_machine_restart(char *command);
extern void jazz_machine_halt(void);
......@@ -94,8 +98,13 @@ __initfunc(void jazz_setup(void))
}
}
add_wired_entry (0x02000017, 0x03c00017, 0xe0000000, PM_64K);
add_wired_entry (0x02400017, 0x02440017, 0xe2000000, PM_16M);
add_wired_entry (0x01800017, 0x01000017, 0xe4000000, PM_4M);
irq_setup = jazz_irq_setup;
fd_cacheflush = jazz_fd_cacheflush;
keyboard_setup = jazz_keyboard_setup;
feature = &jazz_feature; // Will go away
port_base = JAZZ_PORT_BASE;
isa_slot_offset = 0xe3000000;
......
arch/mips/kernel/gdb-stub.c
View file @ 94520e42
......@@ -12,7 +12,7 @@
*
* Copyright (C) 1995 Andreas Busse
*
* $Id: gdb-stub.c,v 1.4 1997/06/30 15:52:25 ralf Exp $
* $Id: gdb-stub.c,v 1.5 1997/08/08 18:12:15 miguel Exp $
*/
/*
......@@ -67,12 +67,14 @@
*/
#include <linux/string.h>
#include <linux/signal.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <asm/asm.h>
#include <asm/mipsregs.h>
#include <asm/cachectl.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/gdb-stub.h>
......@@ -98,13 +100,11 @@ extern void adel(void);
static void getpacket(char *buffer);
static void putpacket(char *buffer);
static void set_mem_fault_trap(int enable);
static int computeSignal(int tt);
static int hex(unsigned char ch);
static int hexToInt(char **ptr, int *intValue);
static unsigned char *mem2hex(char *mem, char *buf, int count, int may_fault);
void handle_exception(struct gdb_regs *regs);
static void show_gdbregs(struct gdb_regs *regs);
/*
* BUFMAX defines the maximum number of characters in inbound/outbound buffers
......@@ -241,6 +241,21 @@ static void putpacket(char *buffer)
*/
static volatile int mem_err = 0;
#if 0
static void set_mem_fault_trap(int enable)
{
mem_err = 0;
#if 0
if (enable)
exceptionHandler(9, fltr_set_mem_err);
else
exceptionHandler(9, trap_low);
#endif
}
#endif /* dead code */
/*
* Convert the memory pointed to by mem into hex, placing result in buf.
* Return a pointer to the last char put in buf (null), in case of mem fault,
......@@ -362,19 +377,6 @@ extern void fltr_set_mem_err(void)
/* FIXME: Needs to be written... */
}
static void set_mem_fault_trap(int enable)
{
mem_err = 0;
#if 0
if (enable)
exceptionHandler(9, fltr_set_mem_err);
else
exceptionHandler(9, trap_low);
#endif
}
/*
* Convert the MIPS hardware trap type code to a unix signal number.
*/
......@@ -415,6 +417,38 @@ static int hexToInt(char **ptr, int *intValue)
return (numChars);
}
#if 0
/*
* Print registers (on target console)
* Used only to debug the stub...
*/
void show_gdbregs(struct gdb_regs * regs)
{
/*
* Saved main processor registers
*/
printk("$0 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
regs->reg0, regs->reg1, regs->reg2, regs->reg3,
regs->reg4, regs->reg5, regs->reg6, regs->reg7);
printk("$8 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
regs->reg8, regs->reg9, regs->reg10, regs->reg11,
regs->reg12, regs->reg13, regs->reg14, regs->reg15);
printk("$16: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
regs->reg16, regs->reg17, regs->reg18, regs->reg19,
regs->reg20, regs->reg21, regs->reg22, regs->reg23);
printk("$24: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
regs->reg24, regs->reg25, regs->reg26, regs->reg27,
regs->reg28, regs->reg29, regs->reg30, regs->reg31);
/*
* Saved cp0 registers
*/
printk("epc : %08lx\nStatus: %08lx\nCause : %08lx\n",
regs->cp0_epc, regs->cp0_status, regs->cp0_cause);
}
#endif /* dead code */
/*
* This function does all command processing for interfacing to gdb. It
* returns 1 if you should skip the instruction at the trap address, 0
......@@ -726,32 +760,3 @@ void adel(void)
lw $9,0($8)
");
}
/*
* Print registers (on target console)
* Used only to debug the stub...
*/
void show_gdbregs(struct gdb_regs * regs)
{
/*
* Saved main processor registers
*/
printk("$0 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
regs->reg0, regs->reg1, regs->reg2, regs->reg3,
regs->reg4, regs->reg5, regs->reg6, regs->reg7);
printk("$8 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
regs->reg8, regs->reg9, regs->reg10, regs->reg11,
regs->reg12, regs->reg13, regs->reg14, regs->reg15);
printk("$16: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
regs->reg16, regs->reg17, regs->reg18, regs->reg19,
regs->reg20, regs->reg21, regs->reg22, regs->reg23);
printk("$24: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
regs->reg24, regs->reg25, regs->reg26, regs->reg27,
regs->reg28, regs->reg29, regs->reg30, regs->reg31);
/*
* Saved cp0 registers
*/
printk("epc : %08lx\nStatus: %08lx\nCause : %08lx\n",
regs->cp0_epc, regs->cp0_status, regs->cp0_cause);
}
arch/mips/kernel/irix5sys.h
View file @ 94520e42
/* $Id: irix5sys.h,v 1.1 1997/06/06 09:32:29 ralf Exp $
/* $Id: irix5sys.h,v 1.2 1997/08/08 18:12:17 miguel Exp $
* irix5sys.h: 32-bit IRIX5 ABI system call table.
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
......
arch/mips/kernel/irixioctl.c
View file @ 94520e42
/* $Id: irixioctl.c,v 1.1 1997/06/06 09:32:33 ralf Exp $
/* $Id: irixioctl.c,v 1.2 1997/08/08 18:12:19 miguel Exp $
* irixioctl.c: A fucking mess...
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
......
arch/mips/kernel/irixsig.c
View file @ 94520e42
/* $Id: irixsig.c,v 1.2 1997/06/13 10:11:22 ralf Exp $
/* $Id: irixsig.c,v 1.4 1997/08/08 18:12:21 miguel Exp $
* irixsig.c: WHEEE, IRIX signals! YOW, am I compatable or what?!?!
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
......@@ -142,7 +142,7 @@ asmlinkage int do_irix_signal(unsigned long oldmask, struct pt_regs * regs)
if ((current->flags & PF_PTRACED) && signr != SIGKILL) {
current->exit_code = signr;
current->state = TASK_STOPPED;
notify_parent(current);
notify_parent(current, SIGCHLD);
schedule();
if (!(signr = current->exit_code))
continue;
......@@ -180,7 +180,7 @@ asmlinkage int do_irix_signal(unsigned long oldmask, struct pt_regs * regs)
current->exit_code = signr;
if (!(current->p_pptr->sig->action[SIGCHLD-1].sa_flags &
SA_NOCLDSTOP))
notify_parent(current);
notify_parent(current, SIGCHLD);
schedule();
continue;
......@@ -593,7 +593,6 @@ asmlinkage int irix_sigpoll_sys(unsigned long *set, struct irix5_siginfo *info,
#define P_ALL 7
extern int getrusage(struct task_struct *, int, struct rusage *);
extern void release(struct task_struct * p);
#define W_EXITED 1
#define W_TRAPPED 2
......@@ -680,7 +679,7 @@ asmlinkage int irix_waitsys(int type, int pid, struct irix5_siginfo *info,
REMOVE_LINKS(p);
p->p_pptr = p->p_opptr;
SET_LINKS(p);
notify_parent(p);
notify_parent(p, SIGCHLD);
} else
release(p);
goto end_waitsys;
......
arch/mips/kernel/irq.c
View file @ 94520e42
......@@ -11,7 +11,7 @@
*
* Mips support by Ralf Baechle and Andreas Busse
*
* $Id: irq.c,v 1.6 1997/06/30 15:52:34 ralf Exp $
* $Id: irq.c,v 1.7 1997/08/08 18:12:24 miguel Exp $
*/
#include <linux/config.h>
#include <linux/errno.h>
......@@ -51,6 +51,9 @@ unsigned long spurious_count = 0;
static inline void mask_irq(unsigned int irq_nr)
{
unsigned char mask;
if (irq_nr >= 16)
return;
mask = 1 << (irq_nr & 7);
if (irq_nr < 8) {
......@@ -66,6 +69,9 @@ static inline void unmask_irq(unsigned int irq_nr)
{
unsigned char mask;
if (irq_nr >= 16)
return;
mask = ~(1 << (irq_nr & 7));
if (irq_nr < 8) {
cache_21 &= mask;
......
arch/mips/kernel/mips_ksyms.c
View file @ 94520e42
......@@ -5,40 +5,69 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1996 by Ralf Baechle
* Copyright (C) 1996, 1997 by Ralf Baechle
*
* $Id: mips_ksyms.c,v 1.2 1997/08/08 18:12:26 miguel Exp $
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/in6.h>
#include <asm/checksum.h>
#include <asm/dma.h>
#include <asm/floppy.h>
#include <asm/io.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/sgihpc.h>
#include <asm/softirq.h>
#include <asm/uaccess.h>
EXPORT_SYMBOL(EISA_bus);
/*
* String functions
*/
EXPORT_SYMBOL_NOVERS(bcopy);
EXPORT_SYMBOL_NOVERS(memcmp);
EXPORT_SYMBOL_NOVERS(memset);
EXPORT_SYMBOL_NOVERS(memcpy);
EXPORT_SYMBOL_NOVERS(memmove);
EXPORT_SYMBOL_NOVERS(bcopy);
EXPORT_SYMBOL_NOVERS(strcat);
EXPORT_SYMBOL_NOVERS(strchr);
EXPORT_SYMBOL_NOVERS(strlen);
EXPORT_SYMBOL_NOVERS(strncat);
EXPORT_SYMBOL_NOVERS(strnlen);
EXPORT_SYMBOL_NOVERS(strrchr);
EXPORT_SYMBOL_NOVERS(strtok);
EXPORT_SYMBOL(clear_page);
EXPORT_SYMBOL(__mips_bh_counter);
EXPORT_SYMBOL(local_irq_count);
/*
* Userspace access stuff.
*/
EXPORT_SYMBOL(__copy_user);
EXPORT_SYMBOL(active_ds);
/* Networking helper routines. */
EXPORT_SYMBOL(csum_partial_copy);
/*
* Functions to control caches.
*/
EXPORT_SYMBOL(flush_page_to_ram);
EXPORT_SYMBOL(fd_cacheflush);
/*
* Base address of ports for Intel style I/O.
*/
EXPORT_SYMBOL(port_base);
#ifdef CONFIG_SGI
EXPORT_SYMBOL(hpc3c0);
#endif
arch/mips/kernel/ptrace.c
View file @ 94520e42
......@@ -488,7 +488,7 @@ asmlinkage void syscall_trace(void)
return;
current->exit_code = SIGTRAP;
current->state = TASK_STOPPED;
notify_parent(current);
notify_parent(current, SIGCHLD);
schedule();
/*
* this isn't the same as continuing with a signal, but it will do
......
arch/mips/kernel/signal.c
View file @ 94520e42
......@@ -4,7 +4,7 @@
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 1994, 1995, 1996 Ralf Baechle
*
* $Id: signal.c,v 1.7 1997/06/25 19:25:08 ralf Exp $
* $Id: signal.c,v 1.8 1997/08/08 18:12:30 miguel Exp $
*/
#include <linux/config.h>
#include <linux/sched.h>
......@@ -292,7 +292,7 @@ asmlinkage int do_signal(unsigned long oldmask, struct pt_regs * regs)
if ((current->flags & PF_PTRACED) && signr != SIGKILL) {
current->exit_code = signr;
current->state = TASK_STOPPED;
notify_parent(current);
notify_parent(current, SIGCHLD);
schedule();
if (!(signr = current->exit_code))
continue;
......@@ -332,7 +332,7 @@ asmlinkage int do_signal(unsigned long oldmask, struct pt_regs * regs)
current->exit_code = signr;
if (!(current->p_pptr->sig->action[SIGCHLD-1].sa_flags &
SA_NOCLDSTOP))
notify_parent(current);
notify_parent(current, SIGCHLD);
schedule();
continue;
......
arch/mips/kernel/syscall.c
View file @ 94520e42
......@@ -88,7 +88,7 @@ asmlinkage int sys_idle(void)
* possible. Should help alot for battery powered
* R4200/4300i systems.
*/
if (wait_available && !need_resched)
if (wait_available && !resched_needed())
__asm__(".set\tmips3\n\t"
"wait\n\t"
".set\tmips0\n\t");
......
arch/mips/kernel/syscalls.h
View file @ 94520e42
......@@ -5,9 +5,9 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1995, 1996 by Ralf Baechle
* Copyright (C) 1995, 1996, 1997 by Ralf Baechle
*
* $Id: syscalls.h,v 1.6 1997/07/20 15:32:25 ralf Exp $
* $Id: syscalls.h,v 1.7 1997/08/08 18:12:32 miguel Exp $
*/
/*
......@@ -210,3 +210,5 @@ SYS(sys_poll, 3)
SYS(sys_nfsservctl, 3)
SYS(sys_setresgid, 3) /* 4190 */
SYS(sys_getresgid, 3)
SYS(sys_setresgid, 3) /* 4190 */
SYS(sys_getresgid, 3)
arch/mips/kernel/sysirix.c
View file @ 94520e42
/* $Id: sysirix.c,v 1.3 1997/07/20 15:32:25 ralf Exp $
/* $Id: sysirix.c,v 1.4 1997/08/08 18:12:35 miguel Exp $
* sysirix.c: IRIX system call emulation.
*
* Copyright (C) 1996 David S. Miller
......@@ -751,6 +751,8 @@ asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs *buf)
}
error = 0;
dput_and_out:
dput(dentry);
out:
unlock_kernel();
return error;
......@@ -1514,6 +1516,8 @@ asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs *buf)
error = 0;
dput_and_out:
dput(dentry);
out:
unlock_kernel();
return error;
......@@ -1877,6 +1881,8 @@ asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs *buf)
error = 0;
dput_and_out:
dput(dentry);
out:
unlock_kernel();
return error;
......
arch/mips/kernel/sysmips.c
View file @ 94520e42
......@@ -7,7 +7,7 @@
*
* Copyright (C) 1995, 1996, 1997 by Ralf Baechle
*
* $Id: sysmips.c,v 1.5 1997/07/20 15:32:27 ralf Exp $
* $Id: sysmips.c,v 1.6 1997/08/08 18:12:38 miguel Exp $
*/
#include <linux/errno.h>
#include <linux/linkage.h>
......
arch/mips/kernel/time.c
View file @ 94520e42
......@@ -6,7 +6,7 @@
* This file contains the time handling details for PC-style clocks as
* found in some MIPS systems.
*
* $Id: time.c,v 1.4 1997/06/30 15:52:40 ralf Exp $
* $Id: time.c,v 1.5 1997/08/08 18:12:39 miguel Exp $
*/
#include <linux/errno.h>
#include <linux/init.h>
......
arch/mips/kernel/traps.c
View file @ 94520e42
......@@ -196,6 +196,8 @@ static void default_be_board_handler(struct pt_regs *regs)
/*
* Assume it would be too dangerous to continue ...
*/
printk ("BE HANDLER\n");
show_regs (regs);
force_sig(SIGBUS, current);
}
......
arch/mips/lib/Makefile
View file @ 94520e42
#
# Makefile for MIPS-specific library files..
#
# Many of these routines are just left over debugging trash of ancient
# times when I just make my Tyne beep and so ...
#
# ...and for when I need to get the DECStation to use the boot prom to
# do things... Paul M. Antoine.
#
.S.s:
$(CPP) $(CFLAGS) $< -o $*.s
......@@ -8,8 +14,8 @@
$(CC) $(CFLAGS) -c $< -o $*.o
L_TARGET = lib.a
L_OBJS = checksum.o copy_user.o csum.o dump_tlb.o io.o \
memset.o memcpy.o strlen_user.o strncpy_user.o tags.o watch.o
L_OBJS = beep.o checksum.o copy_user.o csum.o dump_tlb.o io.o memset.o \
memcpy.o strlen_user.o strncpy_user.o tags.o watch.o
ifdef CONFIG_DECSTATION
L_OBJS += pmaxcon.o pmaxio.o
......
arch/mips/lib/checksum.c
View file @ 94520e42
......@@ -5,7 +5,7 @@
*
* MIPS specific IP/TCP/UDP checksumming routines
*
* Authors: Ralf Baechle, <ralf@waldorf-gmbh.de>
* Authors: Ralf Baechle, <ralf@gnu.ai.mit.edu>
* Lots of code moved from tcp.c and ip.c; see those files
* for more names.
*
......@@ -14,7 +14,7 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* $Id: checksum.c,v 1.4 1997/07/03 09:43:16 ralf Exp $
* $Id: checksum.c,v 1.5 1997/08/08 18:12:51 miguel Exp $
*/
#include <net/checksum.h>
#include <linux/types.h>
......
arch/mips/lib/dump_tlb.c
View file @ 94520e42
......@@ -16,12 +16,27 @@
#include <asm/page.h>
#include <asm/pgtable.h>
static char *region_map [] = {
"u", "s", "k", "!"
};
static char *cache_map [] = {
"c/nc/wt/nwa,",
"c/nc/wt/wa, ",
"uncached, ",
"c/nc/wb, "
"unknown, ",
"unknown, ",
"unknown, ",
"unknown, "
};
void
dump_tlb(int first, int last)
{
int i;
int wired;
unsigned int pagemask;
unsigned int pagemask, c0, c1, r;
unsigned long long entryhi, entrylo0, entrylo1;
wired = read_32bit_cp0_register(CP0_WIRED);
......@@ -48,14 +63,25 @@ dump_tlb(int first, int last)
/*
* Only print entries in use
*/
printk("\nIndex: %2d %08x", i, pagemask);
printk(" %08x %08x", (unsigned int)(entryhi >> 32),
(unsigned int) entryhi);
printk(" %08x %08x", (unsigned int)(entrylo0 >> 32),
(unsigned int) entrylo0);
printk(" %08x %08x", (unsigned int)(entrylo1 >> 32),
(unsigned int) entrylo1);
printk("\nIndex: %2d pgmask=%08x ", i, pagemask);
r = entryhi >> 62;
c0 = (entrylo0 >> 3) & 7;
c1 = (entrylo1 >> 3) & 7;
printk("%s vpn2=%08x "
"[pfn=%06x c=%d d=%d v=%d g=%d]"
"[pfn=%06x c=%d d=%d v=%d g=%d]",
region_map [r], (entryhi >> 13) & 0xffffffff,
(entrylo0 >> 6) & 0xffffff, c0,
(entrylo0 & 4) ? 1 : 0,
(entrylo0 & 2) ? 1 : 0,
(entrylo0 & 1),
(entrylo1 >> 6) & 0xffffff, c1,
(entrylo1 & 4) ? 1 : 0,
(entrylo1 & 2) ? 1 : 0,
(entrylo1 & 1));
}
}
printk("\n");
......
arch/mips/mm/Makefile
View file @ 94520e42
......@@ -11,4 +11,8 @@ O_TARGET := mm.o
O_OBJS := extable.o init.o fault.o r4xx0.o r2300.o r6000.o tfp.o \
andes.o loadmmu.o
ifdef CONFIG_SGI
O_OBJS += umap.o
endif
include $(TOPDIR)/Rules.make
arch/mips/mm/andes.c
View file @ 94520e42
/* $Id: andes.c,v 1.1 1997/06/06 09:34:31 ralf Exp $
/* $Id: andes.c,v 1.2 1997/08/08 18:13:01 miguel Exp $
* andes.c: MMU and cache operations for the R10000 (ANDES).
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
......@@ -79,6 +79,12 @@ static void andes_pgd_init(unsigned long page)
{
}
static void andes_add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
unsigned long entryhi, unsigned long pagemask)
{
/* XXX */
}
void ld_mmu_andes(void)
{
flush_cache_all = andes_flush_cache_all;
......@@ -92,6 +98,8 @@ void ld_mmu_andes(void)
flush_tlb_mm = andes_flush_tlb_mm;
flush_tlb_range = andes_flush_tlb_range;
flush_tlb_page = andes_flush_tlb_page;
add_wired_entry = andes_add_wired_entry;
load_pgd = andes_load_pgd;
pgd_init = andes_pgd_init;
......
arch/mips/mm/fault.c
View file @ 94520e42
......@@ -117,7 +117,8 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
* terminate things with extreme prejudice.
*/
printk(KERN_ALERT "Unable to handle kernel paging request at virtual "
"address %08lx, epc == %08lx\n", address, regs->cp0_epc);
"address %08lx, epc == %08lx, ra == %08lx\n",
address, regs->cp0_epc, regs->regs[31]);
die_if_kernel("Oops", regs, writeaccess);
do_exit(SIGKILL);
out:
......
arch/mips/mm/loadmmu.c
View file @ 94520e42
/* $Id: loadmmu.c,v 1.1 1997/06/06 09:34:51 ralf Exp $
/* $Id: loadmmu.c,v 1.2 1997/08/08 18:13:05 miguel Exp $
* loadmmu.c: Setup cpu/cache specific function ptrs at boot time.
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
......@@ -41,6 +41,10 @@ void (*update_mmu_cache)(struct vm_area_struct * vma,
unsigned long address, pte_t pte);
void (*show_regs)(struct pt_regs *);
void (*add_wired_entry)(unsigned long entrylo0, unsigned long entrylo1,
unsigned long entryhi, unsigned long pagemask);
asmlinkage void (*resume)(void *tsk);
extern void ld_mmu_r2300(void);
......
arch/mips/mm/r2300.c
View file @ 94520e42
......@@ -3,7 +3,7 @@
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
*
* $Id: r2300.c,v 1.2 1997/06/30 15:52:51 ralf Exp $
* $Id: r2300.c,v 1.3 1997/08/08 18:13:06 miguel Exp $
*/
#include <linux/kernel.h>
......@@ -245,6 +245,14 @@ static void r2300_show_regs(struct pt_regs * regs)
(unsigned int) regs->cp0_cause);
}
static void r2300_add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
unsigned long entryhi, unsigned long pagemask)
{
/*
* FIXME, to be done
*/
}
void ld_mmu_r2300(void)
{
clear_page = r2300_clear_page;
......@@ -267,6 +275,8 @@ void ld_mmu_r2300(void)
update_mmu_cache = r2300_update_mmu_cache;
show_regs = r2300_show_regs;
add_wired_entry = r2300_add_wired_entry;
flush_tlb_all();
}
arch/mips/mm/r4xx0.c
View file @ 94520e42
......@@ -3,7 +3,7 @@
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
*
* $Id: r4xx0.c,v 1.4 1997/06/30 15:52:53 ralf Exp $
* $Id: r4xx0.c,v 1.5 1997/08/08 18:13:07 miguel Exp $
*/
#include <linux/config.h>
......@@ -1856,7 +1856,7 @@ static inline void r4k_flush_tlb_all(void)
set_entrylo1(0);
BARRIER;
entry = 0;
entry = get_wired();
/* Blast 'em all away. */
while(entry < NTLB_ENTRIES) {
......@@ -1943,7 +1943,7 @@ static void r4k_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
int oldpid, newpid, idx;
#ifdef DEBUG_TLB
printk("[tlbpage<%d,%08lx>]", vma->vm_mm->context, page);
printk("[tlbpage<%d,%08lx>]", vma->vm_mm->context, page);
#endif
newpid = (vma->vm_mm->context & 0xff);
page &= (PAGE_MASK << 1);
......@@ -2122,6 +2122,37 @@ static void r4k_show_regs(struct pt_regs * regs)
printk("epc : %08lx\nStatus: %08lx\nCause : %08lx\n",
regs->cp0_epc, regs->cp0_status, regs->cp0_cause);
}
static void r4k_add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
unsigned long entryhi, unsigned long pagemask)
{
unsigned long flags;
unsigned long wired;
unsigned long old_pagemask;
unsigned long old_ctx;
save_and_cli(flags);
/* Save old context and create impossible VPN2 value */
old_ctx = (get_entryhi() & 0xff);
old_pagemask = get_pagemask();
wired = get_wired();
set_wired (wired + 1);
set_index (wired);
BARRIER;
set_pagemask (pagemask);
set_entryhi(entryhi);
set_entrylo0(entrylo0);
set_entrylo1(entrylo1);
BARRIER;
tlb_write_indexed();
BARRIER;
set_entryhi(old_ctx);
BARRIER;
set_pagemask (old_pagemask);
flush_tlb_all();
restore_flags(flags);
}
/* Detect and size the various r4k caches. */
static void probe_icache(unsigned long config)
......@@ -2567,6 +2598,8 @@ void ld_mmu_r4xx0(void)
update_mmu_cache = r4k_update_mmu_cache;
show_regs = r4k_show_regs;
add_wired_entry = r4k_add_wired_entry;
flush_cache_all();
write_32bit_cp0_register(CP0_WIRED, 0);
......
arch/mips/mm/r6000.c
View file @ 94520e42
/* $Id: r6000.c,v 1.1 1997/06/06 09:35:31 ralf Exp $
/* $Id: r6000.c,v 1.2 1997/08/08 18:13:11 miguel Exp $
* r6000.c: MMU and cache routines for the R6000 processors.
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
......@@ -156,6 +156,12 @@ static void r6000_show_regs(struct pt_regs * regs)
(unsigned int) regs->cp0_cause);
}
static void r6000_add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
unsigned long entryhi, unsigned long pagemask)
{
/* XXX */
}
void ld_mmu_r6000(void)
{
flush_cache_all = r6000_flush_cache_all;
......@@ -175,6 +181,8 @@ void ld_mmu_r6000(void)
update_mmu_cache = r6000_update_mmu_cache;
show_regs = r6000_show_regs;
add_wired_entry = r6000_add_wired_entry;
flush_cache_all();
flush_tlb_all();
......
arch/mips/mm/tfp.c
View file @ 94520e42
/* $Id: tfp.c,v 1.1 1997/06/06 09:35:39 ralf Exp $
/* $Id: tfp.c,v 1.2 1997/08/08 18:13:13 miguel Exp $
* tfp.c: MMU and cache routines specific to the r8000 (TFP).
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
......@@ -79,6 +79,12 @@ static void tfp_pgd_init(unsigned long page)
{
}
static void tfp_add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
unsigned long entryhi, unsigned long pagemask)
{
/* XXX */
}
void ld_mmu_tfp(void)
{
flush_cache_all = tfp_flush_cache_all;
......@@ -93,9 +99,11 @@ void ld_mmu_tfp(void)
flush_tlb_range = tfp_flush_tlb_range;
flush_tlb_page = tfp_flush_tlb_page;
add_wired_entry = tfp_add_wired_entry;
load_pgd = tfp_load_pgd;
pgd_init = tfp_pgd_init;
flush_cache_all();
flush_tlb_all();
}
......
arch/mips/mm/umap.c 0 → 100644
View file @ 94520e42
/*
* arch/mips/mm/umap.c
*
* (C) Copyright 1994 Linus Torvalds
*
* Changes:
*
* Modified from Linus source to removing active mappings from any
* task. This is required for implementing the virtual graphics
* interface for direct rendering on the SGI - miguel.
*
* Added a routine to map a vmalloc()ed area into user space, this one
* is required by the /dev/shmiq driver - miguel.
*/
#include <linux/stat.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/shm.h>
#include <linux/errno.h>
#include <linux/mman.h>
#include <linux/string.h>
#include <linux/vmalloc.h>
#include <linux/swap.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/page.h>
static inline void
remove_mapping_pte_range (pmd_t *pmd, unsigned long address, unsigned long size)
{
pte_t *pte;
unsigned long end;
if (pmd_none (*pmd))
return;
if (pmd_bad (*pmd)){
printk ("remove_graphics_pte_range: bad pmd (%08lx)\n", pmd_val (*pmd));
pmd_clear (pmd);
return;
}
pte = pte_offset (pmd, address);
address &= ~PMD_MASK;
end = address + size;
if (end > PMD_SIZE)
end = PMD_SIZE;
do {
pte_t entry = *pte;
if (pte_present (entry))
set_pte (pte, pte_modify (entry, PAGE_NONE));
address += PAGE_SIZE;
pte++;
} while (address < end);
}
static inline void
remove_mapping_pmd_range (pgd_t *pgd, unsigned long address, unsigned long size)
{
pmd_t *pmd;
unsigned long end;
if (pgd_none (*pgd))
return;
if (pgd_bad (*pgd)){
printk ("remove_graphics_pmd_range: bad pgd (%08lx)\n", pgd_val (*pgd));
pgd_clear (pgd);
return;
}
pmd = pmd_offset (pgd, address);
address &= ~PGDIR_MASK;
end = address + size;
if (end > PGDIR_SIZE)
end = PGDIR_SIZE;
do {
remove_mapping_pte_range (pmd, address, end - address);
address = (address + PMD_SIZE) & PMD_MASK;
pmd++;
} while (address < end);
}
/*
* This routine is called from the page fault handler to remove a
* range of active mappings at this point
*/
void
remove_mapping (struct task_struct *task, unsigned long start, unsigned long end)
{
unsigned long beg = start;
pgd_t *dir;
down (&task->mm->mmap_sem);
dir = pgd_offset (task->mm, start);
flush_cache_range (task->mm, beg, end);
while (start < end){
remove_mapping_pmd_range (dir, start, end - start);
start = (start + PGDIR_SIZE) & PGDIR_MASK;
dir++;
}
flush_tlb_range (task->mm, beg, end);
up (&task->mm->mmap_sem);
}
void *vmalloc_uncached (unsigned long size)
{
return vmalloc_prot (size, PAGE_KERNEL_UNCACHED);
}
static inline void free_pte(pte_t page)
{
if (pte_present(page)) {
unsigned long addr = pte_page(page);
if (MAP_NR(addr) >= max_mapnr || PageReserved(mem_map+MAP_NR(addr)))
return;
free_page(addr);
if (current->mm->rss <= 0)
return;
current->mm->rss--;
return;
}
swap_free(pte_val(page));
}
static inline void forget_pte(pte_t page)
{
if (!pte_none(page)) {
printk("forget_pte: old mapping existed!\n");
free_pte(page);
}
}
/*
* maps a range of vmalloc()ed memory into the requested pages. the old
* mappings are removed.
*/
static inline void
vmap_pte_range (pte_t *pte, unsigned long address, unsigned long size, unsigned long vaddr)
{
unsigned long end;
pgd_t *vdir;
pmd_t *vpmd;
pte_t *vpte;
address &= ~PMD_MASK;
end = address + size;
if (end > PMD_SIZE)
end = PMD_SIZE;
do {
pte_t oldpage = *pte;
unsigned long page;
pte_clear(pte);
vdir = pgd_offset_k (vaddr);
vpmd = pmd_offset (vdir, vaddr);
vpte = pte_offset (vpmd, vaddr);
page = pte_page (*vpte);
set_pte(pte, mk_pte_phys(page, PAGE_USERIO));
forget_pte(oldpage);
address += PAGE_SIZE;
vaddr += PAGE_SIZE;
pte++;
} while (address < end);
}
static inline int
vmap_pmd_range (pmd_t *pmd, unsigned long address, unsigned long size, unsigned long vaddr)
{
unsigned long end;
address &= ~PGDIR_MASK;
end = address + size;
if (end > PGDIR_SIZE)
end = PGDIR_SIZE;
vaddr -= address;
do {
pte_t * pte = pte_alloc(pmd, address);
if (!pte)
return -ENOMEM;
vmap_pte_range(pte, address, end - address, address + vaddr);
address = (address + PMD_SIZE) & PMD_MASK;
pmd++;
} while (address < end);
return 0;
}
int
vmap_page_range (unsigned long from, unsigned long size, unsigned long vaddr)
{
int error = 0;
pgd_t * dir;
unsigned long beg = from;
unsigned long end = from + size;
vaddr -= from;
dir = pgd_offset(current->mm, from);
flush_cache_range(current->mm, beg, end);
while (from < end) {
pmd_t *pmd = pmd_alloc(dir, from);
error = -ENOMEM;
if (!pmd)
break;
error = vmap_pmd_range(pmd, from, end - from, vaddr + from);
if (error)
break;
from = (from + PGDIR_SIZE) & PGDIR_MASK;
dir++;
}
flush_tlb_range(current->mm, beg, end);
return error;
}
arch/mips/sgi/kernel/setup.c
View file @ 94520e42
/* $Id: setup.c,v 1.2 1997/06/30 15:26:24 ralf Exp $
/*
* setup.c: SGI specific setup, including init of the feature struct.
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
*
* $Id: setup.c,v 1.3 1997/08/08 18:13:22 miguel Exp $
*/
#ifndef __GOGOGO__
#error "... about to fuckup your Indy?"
......@@ -9,6 +11,8 @@
#include <linux/kernel.h>
#include <linux/sched.h>
#include <asm/addrspace.h>
#include <asm/keyboard.h>
#include <asm/reboot.h>
#include <asm/vector.h>
#include <asm/sgialib.h>
......@@ -26,6 +30,36 @@ extern void sgi_machine_power_off(void);
struct feature sgi_feature = {
};
static volatile struct hpc_keyb *sgi_kh = (struct hpc_keyb *) (KSEG1 + 0x1fbd9800 + 64);
static unsigned char sgi_read_input(void)
{
return sgi_kh->data;
}
static void sgi_write_output(unsigned char val)
{
sgi_kh->data = val;
}
static void sgi_write_command(unsigned char val)
{
sgi_kh->command = val;
}
static unsigned char sgi_read_status(void)
{
return sgi_kh->command;
}
static void sgi_keyboard_setup(void)
{
kbd_read_input = sgi_read_input;
kbd_write_output = sgi_write_output;
kbd_write_command = sgi_write_command;
kbd_read_status = sgi_read_status;
}
static void sgi_irq_setup(void)
{
sgint_init();
......@@ -52,6 +86,7 @@ void sgi_setup(void)
irq_setup = sgi_irq_setup;
feature = &sgi_feature;
keyboard_setup = sgi_keyboard_setup;
_machine_restart = sgi_machine_restart;
_machine_halt = sgi_machine_halt;
......
arch/mips/sni/hw-access.c
View file @ 94520e42
......@@ -5,9 +5,12 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1996 by Ralf Baechle
* Copyright (C) 1996, 1997 by Ralf Baechle
*
* $Id: hw-access.c,v 1.2 1997/08/08 18:13:27 miguel Exp $
*/
#include <linux/delay.h>
#include <linux/kbdcntrlr.h>
#include <linux/kernel.h>
#include <linux/linkage.h>
#include <linux/types.h>
......@@ -15,6 +18,7 @@
#include <asm/bootinfo.h>
#include <asm/cachectl.h>
#include <asm/dma.h>
#include <asm/keyboard.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mc146818rtc.h>
......@@ -157,3 +161,32 @@ struct feature sni_rm200_pci_feature = {
rtc_read_data,
rtc_write_data
};
static unsigned char sni_read_input(void)
{
return inb(KBD_DATA_REG);
}
static void sni_write_output(unsigned char val)
{
outb(val, KBD_DATA_REG);
}
static void sni_write_command(unsigned char val)
{
outb(val, KBD_CNTL_REG);
}
static unsigned char sni_read_status(void)
{
return inb(KBD_STATUS_REG);
}
void sni_rm200_keyboard_setup(void)
{
kbd_read_input = sni_read_input;
kbd_write_output = sni_write_output;
kbd_write_command = sni_write_command;
kbd_read_status = sni_read_status;
request_region(0x60, 16, "keyboard");
}
arch/mips/sni/setup.c
View file @ 94520e42
......@@ -15,6 +15,7 @@
#include <linux/timex.h>
#include <linux/pci.h>
#include <asm/bootinfo.h>
#include <asm/keyboard.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/processor.h>
......@@ -36,6 +37,7 @@ static struct irqaction irq2 = { no_action, 0, 0, "cascade", NULL, NULL};
extern asmlinkage void sni_rm200_pci_handle_int(void);
extern asmlinkage void sni_fd_cacheflush(const void *addr, size_t size);
extern struct feature sni_rm200_pci_feature;
extern void sni_rm200_keyboard_setup(void);
extern void sni_machine_restart(char *command);
extern void sni_machine_halt(void);
......@@ -127,6 +129,7 @@ __initfunc(void sni_rm200_pci_setup(void))
fd_cacheflush = sni_fd_cacheflush; // Will go away
feature = &sni_rm200_pci_feature;
port_base = SNI_PORT_BASE;
keyboard_setup = sni_rm200_keyboard_setup;
/*
* Setup (E)ISA I/O memory access stuff
......
arch/ppc/Makefile
View file @ 94520e42
......@@ -12,29 +12,30 @@
#
# Copyright (C) 1994 by Linus Torvalds
# Changes for PPC by Gary Thomas
# Modified by Cort Dougan
# Modified by Cort Dougan and Paul Mackerras
#
ifeq ($(CONFIG_PMAC),y)
KERNELBASE =0xc0000000
else
KERNELBASE =0x90000000
endif
# PowerPC (cross) tools
SUFFIX =
AS = as$(SUFFIX)
ASFLAGS =
LD = ld$(SUFFIX)
LINKFLAGS = -T arch/ppc/ld.script -Ttext 0x90000000
HOSTCC = gcc
CC = gcc$(SUFFIX)
ifneq ($(shell uname -m),ppc)
CROSS_COMPILE =powerpc-eabi-
endif
ASFLAGS =
LINKFLAGS = -T arch/ppc/vmlinux.lds -Ttext $(KERNELBASE) -Bstatic
CFLAGSINC = -D__KERNEL__ -I$(TOPDIR)/include -D__powerpc__
CFLAGS = $(CFLAGSINC) \
-Wstrict-prototypes -fomit-frame-pointer \
-Wall -Wstrict-prototypes -Wno-uninitialized \
-fno-builtin \
-finhibit-size-directive \
-O2 -fsigned-char -pipe -ffixed-r2 -mstring -mmultiple -msoft-float
# -fverbose-asm
-fsigned-char \
-msoft-float \
-O2 -pipe
CPP = $(CC) -E $(CFLAGS)
AR = ar$(SUFFIX)
RANLIB = ranlib$(SUFFIX)
STRIP = strip$(SUFFIX)
NM = nm$(SUFFIX)
ifdef CONFIG_601
CFLAGS := $(CFLAGS) -mcpu=601 -DCPU=601
......@@ -55,59 +56,38 @@ SUBDIRS := $(SUBDIRS) $(ARCH_SUBDIRS)
ARCHIVES := arch/ppc/kernel/kernel.o arch/ppc/mm/mm.o arch/ppc/lib/lib.o $(ARCHIVES)
CORE_FILES := arch/ppc/kernel/kernel.o arch/ppc/mm/mm.o arch/ppc/lib/lib.o $(CORE_FILES)
ifdef CONFIG_XMON
SUBDIRS += arch/ppc/xmon
CORE_FILES += arch/ppc/xmon/x.o
endif
ifdef CONFIG_PMAC
MAKEBOOT = $(MAKE) -C arch/$(ARCH)/coffboot
else
# PReP systems
MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
endif
checks:
@$(MAKE) -C arch/$(ARCH)/kernel checks
netboot: checks vmlinux
@$(MAKEBOOT) netboot
znetboot: checks vmlinux
@$(MAKEBOOT) znetboot
#rcpboot: checks vmlinux
# @$(MAKEBOOT) rcpboot
BOOT_TARGETS = netboot znetboot zImage floppy install \
vmlinux.coff znetboot.initrd zImage.initrd
zImage: checks vmlinux
@$(MAKEBOOT) zImage
$(BOOT_TARGETS): checks vmlinux
@$(MAKEBOOT) $@
floppy: checks vmlinux
@$(MAKEBOOT) floppy
install: checks vmlinux
@$(MAKEBOOT) install
vmlinux.coff : checks vmlinux
$(MAKE) -C arch/ppc/coffboot/ vmlinux.coff
arch/ppc/kernel: dummy
$(MAKE) linuxsubdirs SUBDIRS=arch/ppc/kernel
arch/ppc/mm: dummy
$(MAKE) linuxsubdirs SUBDIRS=arch/ppc/mm
arch/ppc/lib: dummy
$(MAKE) linuxsubdirs SUBDIRS=arch/ppc/lib
diffs:
arch/ppc/mkdiff
tar:
arch/ppc/mktar
tags:
etags */*.c include/{asm,linux}/*.h arch/ppc/kernel/*.{c,h}
archclean:
rm -f arch/ppc/kernel/mk_defs arch/ppc/kernel/ppc_defs.h arch/ppc/kernel/checks TAGS
rm -f `find arch/ppc/ \( -name '*.[oas]' -o -name '*~' -o -name '#*#' \) -print`
rm -f `find include/asm-ppc/ \( -name '*.[oas]' -o -name '*~' -o -name '#*#' \) -print`
rm -f arch/ppc/kernel/mk_defs arch/ppc/kernel/ppc_defs.h
rm -f arch/ppc/kernel/checks
find arch/ppc/ -name '*.o' -exec /bin/rm -f '{}' \;
find arch/ppc/ -name '*~' -exec /bin/rm -f '{}' \;
find arch/ppc/ -name '*.a' -exec /bin/rm -f '{}' \;
@$(MAKEBOOT) clean
archdep:
$(MAKE) -C arch/ppc/boot fastdep
$(MAKE) -C arch/ppc/kernel fastdep
$(MAKE) -C arch/ppc/mm fastdep
$(MAKE) -C arch/ppc/lib fastdep
tags :
etags arch/ppc/*/*.c arch/ppc/*/*.S include/asm/* */*.c
$(MAKEBOOT) fastdep
arch/ppc/boot/Makefile
View file @ 94520e42
......@@ -22,14 +22,15 @@
$(CC) -D__ASSEMBLY__ -traditional -c -o $*.o $<
ZLINKFLAGS = -T ../ld.script -Ttext 0x00800000
ZLINKFLAGS = -T ../vmlinux.lds -Ttext 0x00800000
GZIP_FLAGS = -v9
SYSTEM = $(TOPDIR)/vmlinux
OBJECTS = head.o inflate.o unzip.o misc.o vreset.o
OBJECTS = head.o inflate.o unzip.o misc.o vreset.o #kbd.o
CFLAGS = -O2 -DSTDC_HEADERS -I$(TOPDIR)/include
OBJCOPY = objcopy
OBJCOPY_ARGS = -O elf32-powerpc
all: $(TOPDIR)/zImage
......@@ -39,41 +40,40 @@ mkprep : mkprep.c
find_name : find_name.c
$(HOSTCC) $(CFLAGSINC) -o find_name find_name.c
mk_type41: mk_type41.c
$(HOSTCC) $(CFLAGSINC) -o mk_type41 mk_type41.c
piggyback: piggyback.c
$(HOSTCC) $(CFLAGS) -o piggyback piggyback.c
floppy: $(TOPDIR)/vmlinux zImage
dd if=$(TOPDIR)/zImage of=/dev/fd0H1440 bs=64b
netboot : $(TOPDIR)/vmlinux mkprep
mkprep $(TOPDIR)/vmlinux $(TOPDIR)/netboot
floppy.initrd: $(TOPDIR)/vmlinux zImage
dd if=$(TOPDIR)/zImage.initrd of=/dev/fd0H1440 bs=64b
znetboot : zvmlinux mkprep
mkprep zvmlinux $(TOPDIR)/znetboot
cp $(TOPDIR)/znetboot /usr/local/tftpboot/vmlinux
znetboot : zImage mkprep
cp $(TOPDIR)/zImage /usr/local/tftpboot/vmlinux
rcpboot : znetboot
rcp $(TOPDIR)/znetboot charon:/usr/tftpboot/vmlinux
znetboot.initrd : zImage.initrd mkprep
cp $(TOPDIR)/zImage.initrd /usr/local/tftpboot/vmlinux
zImage: zvmlinux mkprep
mkprep -pbp zvmlinux $(TOPDIR)/zImage
install: zImage
dd if=$(TOPDIR)/zImage of=/dev/sda4
ln -s /dev/sda4 $(INSTALL_PATH)/vmlinuz
cp $(TOPDIR)/System.map $(INSTALL_PATH)/
zImage.initrd: zvmlinux.initrd mkprep
mkprep -pbp zvmlinux.initrd $(TOPDIR)/zImage.initrd
zvmlinux: $(OBJECTS) $(SYSTEM) mkprep find_name vmlinux.gz
$(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(OBJECTS)
$(OBJCOPY) $(OBJCOPY_ARGS) --add-section=image=vmlinux.gz \
zvmlinux.tmp $@
rm zvmlinux.tmp
vmlinux.gz: $(TOPDIR)/vmlinux
dd bs=64k skip=1 if=$(TOPDIR)/vmlinux | gzip -vf9 - > vmlinux.gz
zvmlinux: $(OBJECTS) $(SYSTEM) mkprep find_name
mkprep $(TOPDIR)/vmlinux -|gzip ${GZIP_FLAGS}|mkprep -asm - -|$(AS) -o piggy.o
$(LD) $(ZLINKFLAGS) -o zvmlinux $(OBJECTS) piggy.o
rm -f piggy.o
zvmlinux.initrd: zvmlinux
$(OBJCOPY) $(OBJCOPY_ARGS) --add-section=initrd=ramdisk.image.gz \
zvmlinux $@
clean:
rm -f piggyback zvmlinux mk_type41 mkprep mkboot find_name
rm -f $(TOPDIR)/{zImage,znetboot,netboot}
rm -f vmlinux* znetboot* zImage* zvmlinux* mkprep find_name
rm -f $(TOPDIR)/{zImage*,znetboot*,zvmlinux*,vmlinux*}
fastdep:
$(TOPDIR)/scripts/mkdep *.[Sch] > .depend
......
arch/ppc/boot/head.S
View file @ 94520e42
......@@ -13,17 +13,6 @@
start:
bl start_
start_:
/* TEMP - No residual data on BeBox (yet) */
#if 0
#define IS_BE_BOX 0x42654278 /* 'BeBx' */
lis r2,IS_BE_BOX>>16
ori r2,r2,IS_BE_BOX&0xFFFF
cmp 0,r30,r2
bne notBeBox
li r3,0
#endif
notBeBox:
/* TEMP */
mr r11,r3 /* Save pointer to residual data */
mfmsr r3 /* Turn off interrupts */
li r4,0
......@@ -48,7 +37,9 @@ notBeBox:
mtlr r21
mtctr r22
bctr /* Jump to code */
/* Relocate code to final resting spot */
/*
* no matter where we're loaded, move ourselves to -Ttext address
*/
relocate:
mflr r3 /* Compute code bias */
subi r3,r3,4
......@@ -98,13 +89,26 @@ start_ldr:
mr r5,r6 /* Checksum */
mr r6,r11 /* Residual data */
bl decompress_kernel
/*mr r29,r3*/ /* R3 = TotalMemory */
/*lis r28,hold_residual@h
ori r28,r28,hold_residual@l*/
/* changed to use r3 (as firmware does) for kernel
as ptr to residual -- Cort*/
li r5,0x100 /* Kernel code starts here */
mtlr r5
lis r6,cmd_line@h
ori r6,r6,cmd_line@l
subi r7,r7,1
00: lbzu r2,1(r12)
cmpi 0,r2,0
bne 00b
/* r4,r5 have initrd_start, size */
lis r2,initrd_start@h
ori r2,r2,initrd_start@l
lwz r4,0(r2)
lis r2,initrd_end@h
ori r2,r2,initrd_end@l
lwz r5,0(r2)
li r9,0x00c /* Kernel code starts here */
mtlr r9
blr
hang:
b hang
......@@ -141,6 +145,45 @@ _put_HID0:
mtspr HID0,r3
blr
/*
* Delay for a number of microseconds
* -- Use the BUS timer (assumes 66MHz)
*/
.globl udelay
udelay:
mfspr r4,PVR
srwi r4,r4,16
cmpi 0,r4,1 /* 601 ? */
bne .udelay_not_601
00: li r0,86 /* Instructions / microsecond? */
mtctr r0
10: addi r0,r0,0 /* NOP */
bdnz 10b
subic. r3,r3,1
bne 00b
blr
.udelay_not_601:
mulli r4,r3,1000 /* nanoseconds */
addi r4,r4,59
li r5,60
divw r4,r4,r5 /* BUS ticks */
1: mftbu r5
mftb r6
mftbu r7
cmp 0,r5,r7
bne 1b /* Get [synced] base time */
addc r9,r6,r4 /* Compute end time */
addze r8,r5
2: mftbu r5
cmp 0,r5,r8
blt 2b
bgt 3f
mftb r6
cmp 0,r6,r9
blt 2b
3: blr
/*
* This space [buffer] is used to forceably flush the data cache when
* running in copyback mode. This is necessary IFF the data cache could
......
arch/ppc/boot/misc.c
View file @ 94520e42
......@@ -8,13 +8,23 @@
* puts by Nick Holloway 1993
*
* Adapted for PowerPC by Gary Thomas
* Updated and modified by Cort Dougan (cort@cs.nmt.edu)
*/
#include "gzip.h"
#include "lzw.h"
#include "asm/residual.h"
#include <elf.h>
RESIDUAL hold_residual;
unsigned long initrd_start = 0, initrd_end = 0;
char *zimage_start;
int zimage_size;
extern char input_data[];
extern int input_len;
void cksum_text(void);
void verify_data(unsigned long load_addr);
void dump_buf(unsigned char *p, int s);
#define EOF -1
......@@ -26,8 +36,7 @@ unsigned outcnt;
unsigned insize;
unsigned inptr;
extern char input_data[];
extern int input_len;
char cmd_line[256];
int input_ptr;
......@@ -56,6 +65,9 @@ int lines, cols;
int orig_x, orig_y;
void puts(const char *);
void putc(const char c);
void puthex(unsigned long val);
void _bcopy(char *src, char *dst, int len);
void *malloc(int size)
{
......@@ -77,7 +89,7 @@ void *malloc(int size)
*/
if (free_mem_ptr < (long)&end) {
if (free_mem_ptr > (long)&input_data[input_ptr])
if (free_mem_ptr > (long)&zimage_start[input_ptr])
error("\nOut of memory\n");
return p;
......@@ -87,7 +99,7 @@ void *malloc(int size)
#endif
return p;
puts("large kernel, low 1M tight...");
free_mem_ptr = (long)input_data;
free_mem_ptr = (long)zimage_start;
}
}
......@@ -114,6 +126,53 @@ static void scroll()
for ( i = ( lines - 1 ) * cols * 2; i < lines * cols * 2; i += 2 )
vidmem[i] = ' ';
}
#if 0
tstc(void)
{
return (CRT_tstc() );
}
getc(void)
{
while (1) {
if (CRT_tstc()) return (CRT_getc());
}
}
#endif
void
putc(const char c)
{
int x,y;
x = orig_x;
y = orig_y;
if ( c == '\n' ) {
x = 0;
if ( ++y >= lines ) {
scroll();
y--;
}
} else if (c == '\b') {
if (x > 0) {
x--;
}
} else {
vidmem [ ( x + cols * y ) * 2 ] = c;
if ( ++x >= cols ) {
x = 0;
if ( ++y >= lines ) {
scroll();
y--;
}
}
}
cursor(x, y);
orig_x = x;
orig_y = y;
}
void puts(const char *s)
{
......@@ -229,10 +288,10 @@ puts("*");
insize = 0;
do {
len = INBUFSIZ-insize;
if (len > (input_len-input_ptr+1)) len=input_len-input_ptr+1;
if (len > (zimage_size-input_ptr+1)) len=zimage_size-input_ptr+1;
if (len == 0 || len == EOF) break;
for (i=0;i<len;i++) inbuf[insize+i] = input_data[input_ptr+i];
for (i=0;i<len;i++) inbuf[insize+i] = zimage_start[input_ptr+i];
insize += len;
input_ptr += len;
} while (insize < INBUFSIZ);
......@@ -313,7 +372,14 @@ void error(char *x)
unsigned long
decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum, RESIDUAL *residual)
{
unsigned long TotalMemory;
int timer;
char *cp, ch;
Elf32_Ehdr *eh;
Elf32_Shdr *sh, *strtab_shdr;
char *strtab;
unsigned long i;
output_data = (char *)0x0; /* Points to 0 */
lines = 25;
cols = 80;
......@@ -339,33 +405,102 @@ decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum, R
clear_bufs();
makecrc();
puts("Loaded at "); puthex(load_addr); puts(", "); puthex(num_words); puts(" words");
puts(", cksum = "); puthex(cksum); puts("\n");
puts("Loaded at: "); puthex(load_addr); puts(" "); puthex(num_words+load_addr);
puts("\n");
/*puts("Relocated to start: "); puthex(start); puts(" ");
puthex(num_words+start);
puts("\n");*/
puts("Cksum: "); puthex(cksum); puts("\n");
if (residual) {
_bcopy(residual, &hold_residual, sizeof(hold_residual));
puts("Residual data at "); puthex(residual); puts("\n");
show_residual_data(residual);
TotalMemory = residual->TotalMemory;
} else {
TotalMemory = 0x01000000;
_bcopy((char *)residual, (char *)&hold_residual, sizeof(hold_residual));
puts("Residual data at: "); puthex((unsigned long)residual); puts(" ");
puthex((unsigned long)(residual->ResidualLength + residual)); puts("\n");
}
puts("Uncompressing Linux...");
/*
* Take care of initrd if we have one
*/
/*
* the _actual_ load addr is 64k (elf hdr size) lower but the
* firmware gives us the starting exec point not the load ptr
* -- Cort
*/
eh = (Elf32_Ehdr *)(load_addr - 65536);
sh = (Elf32_Shdr *)((unsigned long)eh + eh->e_shoff );
/*puts("Entry point: "); puthex(eh->e_entry); puts("\n");*/
/* find string table */
for ( i = 0 ; i <= eh->e_shnum ; i++,sh++)
{
/*puts("Section: "); puthex(i);
puts(" type: "); puthex(sh->sh_type);
puts(" offset: "); puthex(sh->sh_offset);
puts("\n");*/
if ( sh->sh_type == SHT_STRTAB )
{
strtab_shdr = sh;
strtab = (char *)(sh->sh_offset + (unsigned long)eh);
/*puts("Found strtab at: "); puthex((unsigned long)strtab);
puts("\n");*/
break;
}
}
method = get_method(0);
/* find the initrd and image sections */
if ( strtab_shdr )
{
sh = (Elf32_Shdr *)((unsigned long)eh + eh->e_shoff );
for ( i = 0 ; i <= eh->e_shnum ; i++,sh++)
{
if ( !memcmp("initrd", (char *)(strtab+sh->sh_name), 6 ) )
{
initrd_start = (unsigned long)eh + sh->sh_offset;
initrd_end = initrd_start + sh->sh_size;
puts("Found initrd at: "); puthex(initrd_start);
puts(" "); puthex(initrd_end);
puts("\n");
}
if ( !memcmp("image", (char *)(strtab+sh->sh_name), 5 ) )
{
zimage_start = (char *)((unsigned long)eh + sh->sh_offset);
zimage_size = sh->sh_size;
puts("Found zimage at: "); puthex((unsigned long)zimage_start);
puts(" "); puthex((unsigned long)(zimage_size+zimage_start));
puts("\n");
}
}
}
else
{
puts("Couldn't find string table for boot image!\n");
}
/* relocate initrd */
if ( initrd_start )
{
memcpy ((void *)0x00D00000,(void *)initrd_start,
initrd_end - initrd_start );
initrd_end = 0x00D00000 + initrd_end - initrd_start;
initrd_start = 0x00D00000;
puts("Moved initrd to: "); puthex(initrd_start);
puts(" "); puthex(initrd_end); puts("\n");
}
/* make the moto firmware print something */
puts("Uncompressing Linux...");
method = get_method(0);
work(0, 0);
puts("done.\n");
puts("Now booting the kernel\n");
/*return (TotalMemory);*/ /* Later this can be a pointer to saved residual data */
return &hold_residual;
return (unsigned long)&hold_residual;
}
show_residual_data(RESIDUAL *res)
{
puts("Residual data: "); puthex(res->ResidualLength); puts(" bytes\n");
puts("Total memory: "); puthex(res->TotalMemory); puts("\n");
#if 0
puts("Residual structure = "); puthex(sizeof(*res)); puts(" bytes\n");
dump_buf(&hold_residual, 32);
......@@ -407,14 +542,14 @@ cksum_data()
{
unsigned int *ptr, len, cksum, cnt;
cksum = cnt = 0;
ptr = input_data;
ptr = (unsigned int *)zimage_start;
puts("Checksums: ");
for (len = 0; len < input_len; len += 4) {
for (len = 0; len < zimage_size; len += 4) {
cksum ^= *ptr++;
if (len && ((len & 0x0FFF) == 0)) {
if (cnt == 0) {
puts("\n [");
puthex(ptr-1);
puthex((unsigned long)ptr-1);
puts("] ");
}
puthex(cksum);
......@@ -429,7 +564,7 @@ cksum_data()
puts("Data cksum = "); puthex(cksum); puts("\n");
}
cksum_text()
void cksum_text(void)
{
extern int start, etext;
unsigned int *ptr, len, text_len, cksum, cnt;
......@@ -442,7 +577,7 @@ cksum_text()
if (len && ((len & 0x0FFF) == 0)) {
if (cnt == 0) {
puts("\n [");
puthex(ptr-1);
puthex((unsigned long)ptr-1);
puts("] ");
}
puthex(cksum);
......@@ -457,24 +592,24 @@ cksum_text()
puts("TEXT cksum = "); puthex(cksum); puts("\n");
}
verify_data(unsigned long load_addr)
void verify_data(unsigned long load_addr)
{
extern int start, etext;
unsigned int *orig_ptr, *copy_ptr, len, errors;
errors = 0;
copy_ptr = input_data;
orig_ptr = (unsigned int *)(load_addr + ((unsigned int)input_data - (unsigned int)&start));
for (len = 0; len < input_len; len += 4) {
copy_ptr = (unsigned int *)zimage_start;
orig_ptr = (unsigned int *)(load_addr + ((unsigned int)zimage_start - (unsigned int)&start));
for (len = 0; len < zimage_size; len += 4) {
if (*copy_ptr++ != *orig_ptr++) {
errors++;
}
}
copy_ptr = input_data;
orig_ptr = (unsigned int *)(load_addr + ((unsigned int)input_data - (unsigned int)&start));
for (len = 0; len < input_len; len += 4) {
copy_ptr = (unsigned int *)zimage_start;
orig_ptr = (unsigned int *)(load_addr + ((unsigned int)zimage_start - (unsigned int)&start));
for (len = 0; len < zimage_size; len += 4) {
if (*copy_ptr++ != *orig_ptr++) {
dump_buf(copy_ptr-1, 128);
dump_buf(orig_ptr-1, 128);
dump_buf((unsigned char *) (copy_ptr-1), 128);
dump_buf((unsigned char *) (orig_ptr-1), 128);
puts("Total errors = "); puthex(errors*4); puts("\n");
while (1) ;
}
......@@ -486,9 +621,9 @@ test_data(unsigned long load_addr)
extern int start, etext;
unsigned int *orig_ptr, *copy_ptr, len, errors;
errors = 0;
copy_ptr = input_data;
orig_ptr = (unsigned int *)(load_addr + ((unsigned int)input_data - (unsigned int)&start));
for (len = 0; len < input_len; len += 4) {
copy_ptr = (unsigned int *)zimage_start;
orig_ptr = (unsigned int *)(load_addr + ((unsigned int)zimage_start - (unsigned int)&start));
for (len = 0; len < zimage_size; len += 4) {
if (*copy_ptr++ != *orig_ptr++) {
errors++;
}
......@@ -532,7 +667,7 @@ void dump_buf(unsigned char *p, int s)
}
while (s > 0)
{
puthex(p); puts(": ");
puthex((unsigned long)p); puts(": ");
for (i = 0; i < 16; i++)
{
if (i < s)
......
arch/ppc/boot/mkprep.c
View file @ 94520e42
......@@ -131,17 +131,18 @@ int main(int argc, char *argv[])
argptr++;
/* skip elf header in input file */
lseek(in_fd, elfhdr_size, SEEK_SET);
if ( !prep )
lseek(in_fd, elfhdr_size, SEEK_SET);
/* write prep partition if necessary */
if ( prep )
write_prep_partition( in_fd, out_fd );
write_prep_partition( in_fd, out_fd );
/* write input image to bootimage */
if ( asmoutput )
write_asm_data( in_fd, out_fd );
write_asm_data( in_fd, out_fd );
else
copy_image(in_fd, out_fd);
copy_image(in_fd, out_fd);
return 0;
}
......@@ -161,28 +162,11 @@ void write_prep_partition(int in, int out)
}
bzero( block, sizeof block );
/* set entry point and boot image size */
*entry = cpu_to_le32(0x400);
/* need use size - elfheader? */
/* set entry point and boot image size skipping over elf header */
*entry = cpu_to_le32(0x400+65536);
*length = cpu_to_le32(info.st_size+0x400);
/*
* Writes the "boot record", which contains the partition table, to the
* diskette, followed by the dummy PC boot block and load image descriptor
* block. It returns the number of bytes it has written to the load
* image.
*
* The boot record is the first block of the diskette and identifies the
* "PReP" partition. The "PReP" partition contains the "load image" starting
* at offset zero within the partition. The first block of the load image is
* a dummy PC boot block. The second block is the "load image descriptor"
* which contains the size of the load image and the entry point into the
* image. The actual boot image starts at offset 1024 bytes (third sector)
* in the partition.
*/
/* sets magic number for msdos partition (used by linux) */
block[510] = 0x55;
block[511] = 0xAA;
......@@ -220,7 +204,7 @@ void write_prep_partition(int in, int out)
/* This has to be 0 on the PowerStack? */
pe->beginning_sector = cpu_to_le32(0);
#endif
/*pe->number_of_sectors = cpu_to_le32(2*18*80-1);*/
pe->number_of_sectors = cpu_to_le32(2*18*80-1);
write( out, block, sizeof(block) );
write( out, entry, sizeof(*entry) );
......
arch/ppc/coffboot/Makefile 0 → 100644
View file @ 94520e42
# Makefile for making XCOFF bootable images for booting on PowerMacs
# using Open Firmware.
#
# Paul Mackerras January 1997
# PowerPC (cross) tools
ifneq ($(shell uname -m),ppc)
CROSS_COMPILE =powerpc-eabi-
endif
HOSTCC = gcc
HOSTCFLAGS = -O -I$(TOPDIR)/include
CC = $(CROSS_COMPILE)gcc
LD = $(CROSS_COMPILE)ld
CFLAGS = -O -fno-builtin -I$(TOPDIR)/include
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJCOPY_ARGS = -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment \
--add-section=image=zImage
LD_ARGS = -e _start -T ld.script -Ttext 500000 -Tdata 510000 -Bstatic
GZIP = gzip -9
OBJS = crt0.o start.o main.o misc.o string.o zlib.o
LIBS = $(TOPDIR)/lib/lib.a
vmlinux.coff: coffboot hack-coff zImage
$(OBJCOPY) $(OBJCOPY_ARGS) coffboot $@
./hack-coff $@
vmlinux.coff.initrd: coffboot hack-coff zImage ramdisk.image.gz
$(OBJCOPY) $(OBJCOPY_ARGS) --add-section=initrd=ramdisk.image.gz \
coffboot $@
./hack-coff $@
coffboot: $(OBJS) ld.script
$(LD) -o coffboot $(LD_ARGS) $(OBJS) $(LIBS)
zImage: $(TOPDIR)/vmlinux elfextract
./elfextract $(TOPDIR)/vmlinux | $(GZIP) >zImage
hack-coff: hack-coff.c
$(HOSTCC) $(HOSTCFLAGS) -o hack-coff hack-coff.c
elfextract: elfextract.c
$(HOSTCC) $(HOSTCFLAGS) -o elfextract elfextract.c
clean:
rm -f elfextract hack-coff coffboot zImage vmlinux.coff
fastdep:
arch/ppc/coffboot/crt0.S 0 → 100644
View file @ 94520e42
/*
* Copyright (C) Paul Mackerras 1997.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
.text
.globl _start
_start:
.long __start,0,0
.globl __start
__start:
lis 9,_start@h
lis 8,_etext@ha
addi 8,8,_etext@l
1: dcbf 0,9
icbi 0,9
addi 9,9,0x20
cmplwi 0,9,8
blt 1b
b start
arch/ppc/coffboot/elfextract.c 0 → 100644
View file @ 94520e42
/*
* Extract the loadable program segment from an elf file.
*
* Copyright 1996 Paul Mackerras.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <stdio.h>
#include <linux/elf.h>
FILE *fi, *fo;
char *ni, *no;
char buf[65536];
void
rd(void *buf, int len)
{
int nr;
nr = fread(buf, 1, len, fi);
if (nr == len)
return;
if (ferror(fi))
fprintf(stderr, "%s: read error\n", ni);
else
fprintf(stderr, "%s: short file\n", ni);
exit(1);
}
main(int ac, char **av)
{
unsigned nb, len;
Elf32_Ehdr eh;
Elf32_Phdr ph;
if (ac > 3 || ac > 1 && av[1][0] == '-') {
fprintf(stderr, "Usage: %s [elf-file [image-file]]\n", av[0]);
exit(0);
}
fi = stdin;
ni = "(stdin)";
fo = stdout;
no = "(stdout)";
if (ac > 1) {
ni = av[1];
fi = fopen(ni, "rb");
if (fi == NULL) {
perror(ni);
exit(1);
}
}
rd(&eh, sizeof(eh));
if (eh.e_ident[EI_MAG0] != ELFMAG0
|| eh.e_ident[EI_MAG1] != ELFMAG1
|| eh.e_ident[EI_MAG2] != ELFMAG2
|| eh.e_ident[EI_MAG3] != ELFMAG3) {
fprintf(stderr, "%s: not an ELF file\n", ni);
exit(1);
}
fseek(fi, eh.e_phoff + (eh.e_phnum - 1) * sizeof(ph), 0);
rd(&ph, sizeof(ph));
if (ph.p_type != PT_LOAD) {
fprintf(stderr, "%s: doesn't have a loadable segment\n", ni);
exit(1);
}
if (ac > 2) {
no = av[2];
fo = fopen(no, "wb");
if (fo == NULL) {
perror(no);
exit(1);
}
}
fseek(fi, ph.p_offset, 0);
for (len = ph.p_filesz; len != 0; len -= nb) {
nb = len;
if (nb > sizeof(buf))
nb = sizeof(buf);
rd(buf, nb);
if (fwrite(buf, 1, nb, fo) != nb) {
fprintf(stderr, "%s: write error\n", no);
exit(1);
}
}
fclose(fo);
fclose(fi);
exit(0);
}
arch/ppc/coffboot/hack-coff.c 0 → 100644
View file @ 94520e42
/*
* hack-coff.c - hack the header of an xcoff file to fill in
* a few fields needed by the Open Firmware xcoff loader on
* Power Macs but not initialized by objcopy.
*
* Copyright (C) Paul Mackerras 1997.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <stdio.h>
#include "rs6000.h"
#define AOUT_MAGIC 0x010b
#define get_16be(x) ((((unsigned char *)(x))[0] << 8) \
+ ((unsigned char *)(x))[1])
#define put_16be(x, v) (((unsigned char *)(x))[0] = (v) >> 8, \
((unsigned char *)(x))[1] = (v) & 0xff)
#define get_32be(x) ((((unsigned char *)(x))[0] << 24) \
+ (((unsigned char *)(x))[1] << 16) \
+ (((unsigned char *)(x))[2] << 8) \
+ ((unsigned char *)(x))[3])
main(int ac, char **av)
{
int fd;
int i, nsect;
int aoutsz;
struct external_filehdr fhdr;
AOUTHDR aout;
struct external_scnhdr shdr;
if (ac != 2) {
fprintf(stderr, "Usage: hack-coff coff-file\n");
exit(1);
}
if ((fd = open(av[1], 2)) == -1) {
perror(av[2]);
exit(1);
}
if (read(fd, &fhdr, sizeof(fhdr)) != sizeof(fhdr))
goto readerr;
i = get_16be(fhdr.f_magic);
if (i != U802TOCMAGIC && i != U802WRMAGIC && i != U802ROMAGIC) {
fprintf(stderr, "%s: not an xcoff file\n", av[1]);
exit(1);
}
aoutsz = get_16be(fhdr.f_opthdr);
if (read(fd, &aout, aoutsz) != aoutsz)
goto readerr;
nsect = get_16be(fhdr.f_nscns);
for (i = 0; i < nsect; ++i) {
if (read(fd, &shdr, sizeof(shdr)) != sizeof(shdr))
goto readerr;
if (strcmp(shdr.s_name, ".text") == 0) {
put_16be(aout.o_snentry, i+1);
put_16be(aout.o_sntext, i+1);
} else if (strcmp(shdr.s_name, ".data") == 0) {
put_16be(aout.o_sndata, i+1);
} else if (strcmp(shdr.s_name, ".bss") == 0) {
put_16be(aout.o_snbss, i+1);
}
}
put_16be(aout.magic, AOUT_MAGIC);
if (lseek(fd, (long) sizeof(struct external_filehdr), 0) == -1
|| write(fd, &aout, aoutsz) != aoutsz) {
fprintf(stderr, "%s: write error\n", av[1]);
exit(1);
}
close(fd);
exit(0);
readerr:
fprintf(stderr, "%s: read error or file too short\n", av[1]);
exit(1);
}
arch/ppc/coffboot/ld.script 0 → 100644
View file @ 94520e42
OUTPUT_ARCH(powerpc)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) } =0
.plt : { *(.plt) }
.text :
{
*(.text)
*(.rodata)
*(.rodata1)
*(.got1)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
_etext = .;
PROVIDE (etext = .);
/* Read-write section, merged into data segment: */
. = (. + 0x0FFF) & 0xFFFFF000;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.got.plt) *(.got)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
}
arch/ppc/coffboot/main.c 0 → 100644
View file @ 94520e42
/*
* Copyright (C) Paul Mackerras 1997.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include "nonstdio.h"
#include "rs6000.h"
#include "zlib.h"
extern void *finddevice(const char *);
extern int getprop(void *, const char *, void *, int);
void gunzip(void *, int, unsigned char *, int *);
#define get_16be(x) (*(unsigned short *)(x))
#define get_32be(x) (*(unsigned *)(x))
#define RAM_START 0xc0000000
#define RAM_END 0xc0800000 /* only 8M mapped with BATs */
#define RAM_FREE 0xc0540000 /* after image of coffboot */
char *avail_ram;
char *end_avail;
coffboot(int a1, int a2, void *prom)
{
void *options;
unsigned loadbase;
struct external_filehdr *eh;
struct external_scnhdr *sp;
struct external_scnhdr *isect, *rsect;
int ns, oh, i;
unsigned sa, len;
void *dst;
unsigned char *im;
unsigned initrd_start, initrd_size;
printf("coffboot starting\n");
options = finddevice("/options");
if (options == (void *) -1)
exit();
if (getprop(options, "load-base", &loadbase, sizeof(loadbase))
!= sizeof(loadbase)) {
printf("error getting load-base\n");
exit();
}
setup_bats();
eh = (struct external_filehdr *) loadbase;
ns = get_16be(eh->f_nscns);
oh = get_16be(eh->f_opthdr);
sp = (struct external_scnhdr *) (loadbase + sizeof(struct external_filehdr) + oh);
isect = rsect = NULL;
for (i = 0; i < ns; ++i, ++sp) {
if (strcmp(sp->s_name, "image") == 0)
isect = sp;
else if (strcmp(sp->s_name, "initrd") == 0)
rsect = sp;
}
if (isect == NULL) {
printf("image section not found\n");
exit();
}
if (rsect != NULL && (initrd_size = get_32be(rsect->s_size)) != 0) {
initrd_start = (RAM_END - initrd_size) & ~0xFFF;
a1 = initrd_start;
a2 = initrd_size;
printf("initial ramdisk at %x (%u bytes)\n",
initrd_start, initrd_size);
memcpy((char *) initrd_start,
(char *) (loadbase + get_32be(rsect->s_scnptr)),
initrd_size);
end_avail = (char *) initrd_start;
} else {
end_avail = (char *) RAM_END;
}
im = (unsigned char *)(loadbase + get_32be(isect->s_scnptr));
len = get_32be(isect->s_size);
dst = (void *) RAM_START;
if (im[0] == 0x1f && im[1] == 0x8b) {
void *cp = (void *) RAM_FREE;
avail_ram = (void *) (RAM_FREE + ((len + 7) & -8));
memcpy(cp, im, len);
printf("gunzipping... ");
gunzip(dst, 0x400000, cp, &len);
printf("done\n");
} else {
memmove(dst, im, len);
}
flush_cache(dst, len);
sa = *(unsigned *)dst + RAM_START;
printf("start address = 0x%x\n", sa);
#if 0
pause();
#endif
(*(void (*)())sa)(a1, a2, prom);
printf("returned?\n");
pause();
}
void *zalloc(void *x, unsigned items, unsigned size)
{
void *p = avail_ram;
size *= items;
size = (size + 7) & -8;
avail_ram += size;
if (avail_ram > end_avail) {
printf("oops... out of memory\n");
pause();
}
return p;
}
void zfree(void *x, void *addr, unsigned nb)
{
}
#define HEAD_CRC 2
#define EXTRA_FIELD 4
#define ORIG_NAME 8
#define COMMENT 0x10
#define RESERVED 0xe0
#define DEFLATED 8
void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp)
{
z_stream s;
int r, i, flags;
/* skip header */
i = 10;
flags = src[3];
if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
printf("bad gzipped data\n");
exit();
}
if ((flags & EXTRA_FIELD) != 0)
i = 12 + src[10] + (src[11] << 8);
if ((flags & ORIG_NAME) != 0)
while (src[i++] != 0)
;
if ((flags & COMMENT) != 0)
while (src[i++] != 0)
;
if ((flags & HEAD_CRC) != 0)
i += 2;
if (i >= *lenp) {
printf("gunzip: ran out of data in header\n");
exit();
}
s.zalloc = zalloc;
s.zfree = zfree;
r = inflateInit2(&s, -MAX_WBITS);
if (r != Z_OK) {
printf("inflateInit2 returned %d\n", r);
exit();
}
s.next_in = src + i;
s.avail_in = *lenp - i;
s.next_out = dst;
s.avail_out = dstlen;
r = inflate(&s, Z_FINISH);
if (r != Z_OK && r != Z_STREAM_END) {
printf("inflate returned %d\n", r);
exit();
}
*lenp = s.next_out - (unsigned char *) dst;
inflateEnd(&s);
}
arch/ppc/coffboot/misc.S 0 → 100644
View file @ 94520e42
/*
* Copyright (C) Paul Mackerras 1997.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
.text
/*
* Use the BAT0 registers to map the 1st 8MB of RAM to 0xc0000000.
*/
.globl setup_bats
setup_bats:
mfpvr 3
rlwinm 3,3,16,16,31 /* r3 = 1 for 601, 4 for 604 */
cmpi 0,3,1
lis 4,0xc000
bne 4f
ori 4,4,4 /* set up BAT registers for 601 */
li 5,0x7f
b 5f
4: ori 4,4,0xff /* set up BAT registers for 604 */
li 5,2
mtdbatu 0,4
mtdbatl 0,5
5: mtibatu 0,4
mtibatl 0,5
isync
blr
/*
* Flush the dcache and invalidate the icache for a range of addresses.
*
* flush_cache(addr, len)
*/
.global flush_cache
flush_cache:
addi 4,4,0x1f /* len = (len + 0x1f) / 0x20 */
rlwinm. 4,4,27,5,31
mtctr 4
beqlr
1: dcbf 0,3
icbi 0,3
addi 3,3,0x20
bdnz 1b
sync
isync
blr
arch/ppc/coffboot/nonstdio.h 0 → 100644
View file @ 94520e42
/*
* Copyright (C) Paul Mackerras 1997.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
typedef int FILE;
extern FILE *stdin, *stdout;
#define NULL ((void *)0)
#define EOF (-1)
#define fopen(n, m) NULL
#define fflush(f) 0
#define fclose(f) 0
extern char *fgets();
#define perror(s) printf("%s: no files!\n", (s))
arch/ppc/coffboot/rs6000.h 0 → 100644
View file @ 94520e42
/* IBM RS/6000 "XCOFF" file definitions for BFD.
Copyright (C) 1990, 1991 Free Software Foundation, Inc.
FIXME: Can someone provide a transliteration of this name into ASCII?
Using the following chars caused a compiler warning on HIUX (so I replaced
them with octal escapes), and isn't useful without an understanding of what
character set it is.
Written by Mimi Ph\373\364ng-Th\345o V\365 of IBM
and John Gilmore of Cygnus Support. */
/********************** FILE HEADER **********************/
struct external_filehdr {
char f_magic[2]; /* magic number */
char f_nscns[2]; /* number of sections */
char f_timdat[4]; /* time & date stamp */
char f_symptr[4]; /* file pointer to symtab */
char f_nsyms[4]; /* number of symtab entries */
char f_opthdr[2]; /* sizeof(optional hdr) */
char f_flags[2]; /* flags */
};
/* IBM RS/6000 */
#define U802WRMAGIC 0730 /* writeable text segments **chh** */
#define U802ROMAGIC 0735 /* readonly sharable text segments */
#define U802TOCMAGIC 0737 /* readonly text segments and TOC */
#define BADMAG(x) \
((x).f_magic != U802ROMAGIC && (x).f_magic != U802WRMAGIC && \
(x).f_magic != U802TOCMAGIC)
#define FILHDR struct external_filehdr
#define FILHSZ 20
/********************** AOUT "OPTIONAL HEADER" **********************/
typedef struct
{
unsigned char magic[2]; /* type of file */
unsigned char vstamp[2]; /* version stamp */
unsigned char tsize[4]; /* text size in bytes, padded to FW bdry */
unsigned char dsize[4]; /* initialized data " " */
unsigned char bsize[4]; /* uninitialized data " " */
unsigned char entry[4]; /* entry pt. */
unsigned char text_start[4]; /* base of text used for this file */
unsigned char data_start[4]; /* base of data used for this file */
unsigned char o_toc[4]; /* address of TOC */
unsigned char o_snentry[2]; /* section number of entry point */
unsigned char o_sntext[2]; /* section number of .text section */
unsigned char o_sndata[2]; /* section number of .data section */
unsigned char o_sntoc[2]; /* section number of TOC */
unsigned char o_snloader[2]; /* section number of .loader section */
unsigned char o_snbss[2]; /* section number of .bss section */
unsigned char o_algntext[2]; /* .text alignment */
unsigned char o_algndata[2]; /* .data alignment */
unsigned char o_modtype[2]; /* module type (??) */
unsigned char o_cputype[2]; /* cpu type */
unsigned char o_maxstack[4]; /* max stack size (??) */
unsigned char o_maxdata[4]; /* max data size (??) */
unsigned char o_resv2[12]; /* reserved */
}
AOUTHDR;
#define AOUTSZ 72
#define SMALL_AOUTSZ (28)
#define AOUTHDRSZ 72
#define RS6K_AOUTHDR_OMAGIC 0x0107 /* old: text & data writeable */
#define RS6K_AOUTHDR_NMAGIC 0x0108 /* new: text r/o, data r/w */
#define RS6K_AOUTHDR_ZMAGIC 0x010B /* paged: text r/o, both page-aligned */
/********************** SECTION HEADER **********************/
struct external_scnhdr {
char s_name[8]; /* section name */
char s_paddr[4]; /* physical address, aliased s_nlib */
char s_vaddr[4]; /* virtual address */
char s_size[4]; /* section size */
char s_scnptr[4]; /* file ptr to raw data for section */
char s_relptr[4]; /* file ptr to relocation */
char s_lnnoptr[4]; /* file ptr to line numbers */
char s_nreloc[2]; /* number of relocation entries */
char s_nlnno[2]; /* number of line number entries*/
char s_flags[4]; /* flags */
};
/*
* names of "special" sections
*/
#define _TEXT ".text"
#define _DATA ".data"
#define _BSS ".bss"
#define _PAD ".pad"
#define _LOADER ".loader"
#define SCNHDR struct external_scnhdr
#define SCNHSZ 40
/* XCOFF uses a special .loader section with type STYP_LOADER. */
#define STYP_LOADER 0x1000
/* XCOFF uses a special .debug section with type STYP_DEBUG. */
#define STYP_DEBUG 0x2000
/* XCOFF handles line number or relocation overflow by creating
another section header with STYP_OVRFLO set. */
#define STYP_OVRFLO 0x8000
/********************** LINE NUMBERS **********************/
/* 1 line number entry for every "breakpointable" source line in a section.
* Line numbers are grouped on a per function basis; first entry in a function
* grouping will have l_lnno = 0 and in place of physical address will be the
* symbol table index of the function name.
*/
struct external_lineno {
union {
char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
char l_paddr[4]; /* (physical) address of line number */
} l_addr;
char l_lnno[2]; /* line number */
};
#define LINENO struct external_lineno
#define LINESZ 6
/********************** SYMBOLS **********************/
#define E_SYMNMLEN 8 /* # characters in a symbol name */
#define E_FILNMLEN 14 /* # characters in a file name */
#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
struct external_syment
{
union {
char e_name[E_SYMNMLEN];
struct {
char e_zeroes[4];
char e_offset[4];
} e;
} e;
char e_value[4];
char e_scnum[2];
char e_type[2];
char e_sclass[1];
char e_numaux[1];
};
#define N_BTMASK (017)
#define N_TMASK (060)
#define N_BTSHFT (4)
#define N_TSHIFT (2)
union external_auxent {
struct {
char x_tagndx[4]; /* str, un, or enum tag indx */
union {
struct {
char x_lnno[2]; /* declaration line number */
char x_size[2]; /* str/union/array size */
} x_lnsz;
char x_fsize[4]; /* size of function */
} x_misc;
union {
struct { /* if ISFCN, tag, or .bb */
char x_lnnoptr[4]; /* ptr to fcn line # */
char x_endndx[4]; /* entry ndx past block end */
} x_fcn;
struct { /* if ISARY, up to 4 dimen. */
char x_dimen[E_DIMNUM][2];
} x_ary;
} x_fcnary;
char x_tvndx[2]; /* tv index */
} x_sym;
union {
char x_fname[E_FILNMLEN];
struct {
char x_zeroes[4];
char x_offset[4];
} x_n;
} x_file;
struct {
char x_scnlen[4]; /* section length */
char x_nreloc[2]; /* # relocation entries */
char x_nlinno[2]; /* # line numbers */
} x_scn;
struct {
char x_tvfill[4]; /* tv fill value */
char x_tvlen[2]; /* length of .tv */
char x_tvran[2][2]; /* tv range */
} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
struct {
unsigned char x_scnlen[4];
unsigned char x_parmhash[4];
unsigned char x_snhash[2];
unsigned char x_smtyp[1];
unsigned char x_smclas[1];
unsigned char x_stab[4];
unsigned char x_snstab[2];
} x_csect;
};
#define SYMENT struct external_syment
#define SYMESZ 18
#define AUXENT union external_auxent
#define AUXESZ 18
#define DBXMASK 0x80 /* for dbx storage mask */
#define SYMNAME_IN_DEBUG(symptr) ((symptr)->n_sclass & DBXMASK)
/********************** RELOCATION DIRECTIVES **********************/
struct external_reloc {
char r_vaddr[4];
char r_symndx[4];
char r_size[1];
char r_type[1];
};
#define RELOC struct external_reloc
#define RELSZ 10
#define DEFAULT_DATA_SECTION_ALIGNMENT 4
#define DEFAULT_BSS_SECTION_ALIGNMENT 4
#define DEFAULT_TEXT_SECTION_ALIGNMENT 4
/* For new sections we havn't heard of before */
#define DEFAULT_SECTION_ALIGNMENT 4
arch/ppc/coffboot/start.c 0 → 100644
View file @ 94520e42
/*
* Copyright (C) Paul Mackerras 1997.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <stdarg.h>
int (*prom)();
void *chosen_handle;
void *stdin;
void *stdout;
void *stderr;
void exit(void);
void *finddevice(const char *name);
int getprop(void *phandle, const char *name, void *buf, int buflen);
void
start(int a1, int a2, void *promptr)
{
prom = (int (*)()) promptr;
chosen_handle = finddevice("/chosen");
if (chosen_handle == (void *) -1)
exit();
if (getprop(chosen_handle, "stdout", &stdout, sizeof(stdout)) != 4)
exit();
stderr = stdout;
if (getprop(chosen_handle, "stdin", &stdin, sizeof(stdin)) != 4)
exit();
coffboot(a1, a2, promptr);
for (;;)
exit();
}
int
write(void *handle, void *ptr, int nb)
{
struct prom_args {
char *service;
int nargs;
int nret;
void *ihandle;
void *addr;
int len;
int actual;
} args;
args.service = "write";
args.nargs = 3;
args.nret = 1;
args.ihandle = handle;
args.addr = ptr;
args.len = nb;
args.actual = -1;
(*prom)(&args);
return args.actual;
}
int
read(void *handle, void *ptr, int nb)
{
struct prom_args {
char *service;
int nargs;
int nret;
void *ihandle;
void *addr;
int len;
int actual;
} args;
args.service = "read";
args.nargs = 3;
args.nret = 1;
args.ihandle = handle;
args.addr = ptr;
args.len = nb;
args.actual = -1;
(*prom)(&args);
return args.actual;
}
void
exit()
{
struct prom_args {
char *service;
} args;
for (;;) {
args.service = "exit";
(*prom)(&args);
}
}
void
pause()
{
struct prom_args {
char *service;
} args;
args.service = "enter";
(*prom)(&args);
}
void *
finddevice(const char *name)
{
struct prom_args {
char *service;
int nargs;
int nret;
const char *devspec;
void *phandle;
} args;
args.service = "finddevice";
args.nargs = 1;
args.nret = 1;
args.devspec = name;
args.phandle = (void *) -1;
(*prom)(&args);
return args.phandle;
}
int
getprop(void *phandle, const char *name, void *buf, int buflen)
{
struct prom_args {
char *service;
int nargs;
int nret;
void *phandle;
const char *name;
void *buf;
int buflen;
int size;
} args;
args.service = "getprop";
args.nargs = 4;
args.nret = 1;
args.phandle = phandle;
args.name = name;
args.buf = buf;
args.buflen = buflen;
args.size = -1;
(*prom)(&args);
return args.size;
}
int
putc(int c, void *f)
{
char ch = c;
if (c == '\n')
putc('\r', f);
return write(f, &ch, 1) == 1? c: -1;
}
int
putchar(int c)
{
return putc(c, stdout);
}
int
fputs(char *str, void *f)
{
int n = strlen(str);
return write(f, str, n) == n? 0: -1;
}
int
readchar()
{
char ch;
for (;;) {
switch (read(stdin, &ch, 1)) {
case 1:
return ch;
case -1:
printk("read(stdin) returned -1\r\n");
return -1;
}
}
}
static char line[256];
static char *lineptr;
static int lineleft;
int
getchar()
{
int c;
if (lineleft == 0) {
lineptr = line;
for (;;) {
c = readchar();
if (c == -1 || c == 4)
break;
if (c == '\r' || c == '\n') {
*lineptr++ = '\n';
putchar('\n');
break;
}
switch (c) {
case 0177:
case '\b':
if (lineptr > line) {
putchar('\b');
putchar(' ');
putchar('\b');
--lineptr;
}
break;
case 'U' & 0x1F:
while (lineptr > line) {
putchar('\b');
putchar(' ');
putchar('\b');
--lineptr;
}
break;
default:
if (lineptr >= &line[sizeof(line) - 1])
putchar('\a');
else {
putchar(c);
*lineptr++ = c;
}
}
}
lineleft = lineptr - line;
lineptr = line;
}
if (lineleft == 0)
return -1;
--lineleft;
return *lineptr++;
}
extern int vsprintf(char *buf, const char *fmt, va_list args);
static char sprint_buf[1024];
void
printk(char *fmt, ...)
{
va_list args;
int n;
va_start(args, fmt);
n = vsprintf(sprint_buf, fmt, args);
va_end(args);
write(stdout, sprint_buf, n);
}
int
printf(char *fmt, ...)
{
va_list args;
int n;
va_start(args, fmt);
n = vsprintf(sprint_buf, fmt, args);
va_end(args);
write(stdout, sprint_buf, n);
return n;
}
arch/ppc/coffboot/string.S 0 → 100644
View file @ 94520e42
/*
* String handling functions for PowerPC.
*
* Copyright (C) 1996 Paul Mackerras.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#define r0 0
#define r3 3
#define r4 4
#define r5 5
#define r6 6
#define r7 7
#define r8 8
.globl strcpy
strcpy:
addi r5,r3,-1
addi r4,r4,-1
1: lbzu r0,1(r4)
cmpwi 0,r0,0
stbu r0,1(r5)
bne 1b
blr
.globl strncpy
strncpy:
cmpwi 0,r5,0
beqlr
mtctr r5
addi r6,r3,-1
addi r4,r4,-1
1: lbzu r0,1(r4)
cmpwi 0,r0,0
stbu r0,1(r6)
bdnzf 2,1b /* dec ctr, branch if ctr != 0 && !cr0.eq */
blr
.globl strcat
strcat:
addi r5,r3,-1
addi r4,r4,-1
1: lbzu r0,1(r5)
cmpwi 0,r0,0
bne 1b
addi r5,r5,-1
1: lbzu r0,1(r4)
cmpwi 0,r0,0
stbu r0,1(r5)
bne 1b
blr
.globl strcmp
strcmp:
addi r5,r3,-1
addi r4,r4,-1
1: lbzu r3,1(r5)
cmpwi 1,r3,0
lbzu r0,1(r4)
subf. r3,r0,r3
beqlr 1
beq 1b
blr
.globl strlen
strlen:
addi r4,r3,-1
1: lbzu r0,1(r4)
cmpwi 0,r0,0
bne 1b
subf r3,r3,r4
blr
.globl memset
memset:
rlwimi r4,r4,8,16,23
rlwimi r4,r4,16,0,15
addi r6,r3,-4
cmplwi 0,r5,4
blt 7f
stwu r4,4(r6)
beqlr
andi. r0,r6,3
add r5,r0,r5
subf r6,r0,r6
rlwinm r0,r5,32-2,2,31
mtctr r0
bdz 6f
1: stwu r4,4(r6)
bdnz 1b
6: andi. r5,r5,3
7: cmpwi 0,r5,0
beqlr
mtctr r5
addi r6,r6,3
8: stbu r4,1(r6)
bdnz 8b
blr
.globl bcopy
bcopy:
mr r6,r3
mr r3,r4
mr r4,r6
b memcpy
.globl memmove
memmove:
cmplw 0,r3,r4
bgt backwards_memcpy
/* fall through */
.globl memcpy
memcpy:
rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
addi r6,r3,-4
addi r4,r4,-4
beq 2f /* if less than 8 bytes to do */
andi. r0,r6,3 /* get dest word aligned */
mtctr r7
bne 5f
1: lwz r7,4(r4)
lwzu r8,8(r4)
stw r7,4(r6)
stwu r8,8(r6)
bdnz 1b
andi. r5,r5,7
2: cmplwi 0,r5,4
blt 3f
lwzu r0,4(r4)
addi r5,r5,-4
stwu r0,4(r6)
3: cmpwi 0,r5,0
beqlr
mtctr r5
addi r4,r4,3
addi r6,r6,3
4: lbzu r0,1(r4)
stbu r0,1(r6)
bdnz 4b
blr
5: subfic r0,r0,4
mtctr r0
6: lbz r7,4(r4)
addi r4,r4,1
stb r7,4(r6)
addi r6,r6,1
bdnz 6b
subf r5,r0,r5
rlwinm. r7,r5,32-3,3,31
beq 2b
mtctr r7
b 1b
.globl backwards_memcpy
backwards_memcpy:
rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
add r6,r3,r5
add r4,r4,r5
beq 2f
andi. r0,r6,3
mtctr r7
bne 5f
1: lwz r7,-4(r4)
lwzu r8,-8(r4)
stw r7,-4(r6)
stwu r8,-8(r6)
bdnz 1b
andi. r5,r5,7
2: cmplwi 0,r5,4
blt 3f
lwzu r0,-4(r4)
subi r5,r5,4
stwu r0,-4(r6)
3: cmpwi 0,r5,0
beqlr
mtctr r5
4: lbzu r0,-1(r4)
stbu r0,-1(r6)
bdnz 4b
blr
5: mtctr r0
6: lbzu r7,-1(r4)
stbu r7,-1(r6)
bdnz 6b
subf r5,r0,r5
rlwinm. r7,r5,32-3,3,31
beq 2b
mtctr r7
b 1b
.globl memcmp
memcmp:
cmpwi 0,r5,0
blelr
mtctr r5
addi r6,r3,-1
addi r4,r4,-1
1: lbzu r3,1(r6)
lbzu r0,1(r4)
subf. r3,r0,r3
bdnzt 2,1b
blr
arch/ppc/coffboot/zlib.c 0 → 100644
View file @ 94520e42
This diff is collapsed.
arch/ppc/coffboot/zlib.h 0 → 100644
View file @ 94520e42
This diff is collapsed.
arch/ppc/config.in
View file @ 94520e42
#
# $Id: config.in,v 1.16 1997/08/11 08:37:49 cort Exp $
# For a description of the syntax of this configuration file,
# see the Configure script.
#
mainmenu_name "Linux/PowerPC Kernel Configuration"
mainmenu_option next_comment
comment 'Platform support'
define_bool CONFIG_PPC y
if [ "`uname`" != "Linux" ]; then
define_bool CONFIG_CROSSCOMPILE y
else
......@@ -12,25 +16,28 @@ fi
bool 'Build PowerMac Kernel (not PReP)?' CONFIG_PMAC
bool 'Build PReP Kernel (not PowerMac)?' CONFIG_PREP
bool 'Prompt for development and/or incomplete code/drivers' CONFIG_EXPERIMENTAL
bool 'Used Harddrive LED on IBM 83x workstations as heartbeat?' CONFIG_HEARTBEAT
bool 'Used PowerPC specific powersaving?' CONFIG_POWERSAVING
choice 'Processor type' \
"Common CONFIG_MCOMMON \
601 CONFIG_M601 \
603 CONFIG_M603 \
604 CONFIG_M604" Common
endmenu
mainmenu_option next_comment
comment 'General setup'
bool 'Prompt for development and/or incomplete code/drivers' CONFIG_EXPERIMENTAL
bool 'Enable loadable module support' CONFIG_MODULES
if [ "$CONFIG_MODULES" = "y" ]; then
bool 'Set version information on all symbols for modules' CONFIG_MODVERSIONS
bool 'Kernel daemon support (e.g. autoload of modules)' CONFIG_KERNELD
fi
mainmenu_option next_comment
define_bool CONFIG_PCI y
bool 'PCI bridge optimization (experimental)' CONFIG_PCI_OPTIMIZE
if [ "$CONFIG_PREP" = "y" ]; then
bool 'PCI bridge optimization' CONFIG_PCI_OPTIMIZE
fi
bool 'Networking support' CONFIG_NET
bool 'Sysctl support' CONFIG_SYSCTL
bool 'System V IPC' CONFIG_SYSVIPC
......@@ -41,6 +48,22 @@ define_bool CONFIG_KERNEL_ELF y
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
tristate 'Kernel support for JAVA binaries' CONFIG_BINFMT_JAVA
if [ "$CONFIG_PMAC" = "y" ]; then
define_bool CONFIG_PMAC_CONSOLE y
define_bool CONFIG_MAC_KEYBOARD y
define_bool CONFIG_MAC_FLOPPY y
bool 'Support for Open Firmware device tree in /proc' CONFIG_PROC_DEVICETREE
bool 'Include xmon kernel debugger' CONFIG_XMON
fi
if [ "$CONFIG_PMAC_CONSOLE" = "y" ]; then
bool 'Support for ATI Mach64 display cards' CONFIG_ATY_VIDEO
bool 'Support for IMS Twin Turbo display card' CONFIG_IMSTT_VIDEO
else
define_bool CONFIG_VGA_CONSOLE y
fi
endmenu
source drivers/pnp/Config.in
source drivers/block/Config.in
......@@ -83,6 +106,7 @@ fi
endmenu
source fs/Config.in
source drivers/char/Config.in
mainmenu_option next_comment
......@@ -93,12 +117,12 @@ if [ "$CONFIG_SOUND" != "n" ]; then
fi
endmenu
mainmenu_option next_comment
#mainmenu_option next_comment
#comment 'Kernel hacking'
#bool 'Debug kmalloc/kfree' CONFIG_DEBUG_MALLOC
#bool 'Kernel profiling support' CONFIG_PROFILE
#if [ "$CONFIG_PROFILE" = "y" ]; then
# int ' Profile shift count' CONFIG_PROFILE_SHIFT 2
#fi
endmenu
#endmenu
arch/ppc/defconfig
View file @ 94520e42
#
# Automatically generated by make menuconfig: don't edit
#
#
# Platform support
#
CONFIG_NATIVE=y
# CONFIG_PMAC is not set
CONFIG_PREP=y
# CONFIG_HEARTBEAT is not set
# CONFIG_POWERSAVING is not set
CONFIG_MCOMMON=y
#
# Code maturity level options
# General setup
#
CONFIG_EXPERIMENTAL=y
#
# Loadable module support
#
# CONFIG_MODULES is not set
CONFIG_MODULES=y
CONFIG_MODVERSIONS=y
CONFIG_KERNELD=y
CONFIG_PCI=y
CONFIG_PCI_OPTIMIZE=y
CONFIG_NET=y
CONFIG_SYSCTL=y
CONFIG_SYSVIPC=y
# CONFIG_BINFMT_JAVA is not set
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
# CONFIG_BINFMT_MISC is not set
# CONFIG_BINFMT_JAVA is not set
#
# Plug and Play support
......@@ -46,10 +47,10 @@ CONFIG_BLK_DEV_IDECD=y
# CONFIG_BLK_DEV_RZ1000 is not set
# CONFIG_BLK_DEV_TRITON is not set
# CONFIG_IDE_CHIPSETS is not set
# CONFIG_BLK_DEV_LOOP is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_MD is not set
CONFIG_BLK_DEV_RAM=y
# CONFIG_BLK_DEV_INITRD is not set
CONFIG_BLK_DEV_INITRD=y
# CONFIG_BLK_DEV_XD is not set
# CONFIG_BLK_DEV_EZ is not set
# CONFIG_BLK_DEV_HD is not set
......@@ -100,7 +101,6 @@ CONFIG_SCSI_NCR53C7xx=y
# CONFIG_SCSI_ULTRASTOR is not set
# CONFIG_SCSI_MESH is not set
# CONFIG_SCSI_MAC53C94 is not set
# CONFIG_SCSI_QLOGIC_PMAC is not set
#
# Network device support
......@@ -117,6 +117,7 @@ CONFIG_INET=y
# CONFIG_IP_ACCT is not set
# CONFIG_IP_ROUTER is not set
# CONFIG_NET_IPIP is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_PCTCP is not set
# CONFIG_INET_RARP is not set
CONFIG_PATH_MTU_DISCOVERY=y
......@@ -155,6 +156,7 @@ CONFIG_DE4X5=y
# CONFIG_DEC_ELCP is not set
# CONFIG_DGRS is not set
# CONFIG_EEXPRESS_PRO100 is not set
# CONFIG_TLAN is not set
# CONFIG_ES3210 is not set
# CONFIG_ZNET is not set
# CONFIG_NET_POCKET is not set
......@@ -183,16 +185,13 @@ CONFIG_PPP=y
# CONFIG_QUOTA is not set
# CONFIG_MINIX_FS is not set
CONFIG_EXT2_FS=y
CONFIG_BEXT2_FS=y
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
# CONFIG_FAT_FS is not set
# CONFIG_MSDOS_FS is not set
# CONFIG_VFAT_FS is not set
# CONFIG_UMSDOS_FS is not set
CONFIG_PROC_FS=y
CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
# CONFIG_RNFS_BOOTP is not set
# CONFIG_RNFS_RARP is not set
# CONFIG_ROOT_NFS is not set
CONFIG_NFSD=y
CONFIG_SUNRPC=y
CONFIG_LOCKD=y
......@@ -205,7 +204,6 @@ CONFIG_ISO9660_FS=y
# CONFIG_AUTOFS_FS is not set
# CONFIG_UFS_FS is not set
CONFIG_MAC_PARTITION=y
CONFIG_HFS_FS=y
#
# Character devices
......@@ -213,12 +211,7 @@ CONFIG_HFS_FS=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_SERIAL_EXTENDED=y
# CONFIG_SERIAL_MANY_PORTS is not set
# CONFIG_SERIAL_SHARE_IRQ is not set
# CONFIG_SERIAL_MULTIPORT is not set
# CONFIG_HUB6 is not set
# CONFIG_SERIAL_CONSOLE is not set
# CONFIG_SERIAL_EXTENDED is not set
# CONFIG_SERIAL_NONSTANDARD is not set
# CONFIG_PRINTER is not set
CONFIG_MOUSE=y
......@@ -227,13 +220,39 @@ CONFIG_MOUSE=y
# CONFIG_MS_BUSMOUSE is not set
CONFIG_PSMOUSE=y
# CONFIG_82C710_MOUSE is not set
# CONFIG_PC110_PAD is not set
# CONFIG_UMISC is not set
# CONFIG_QIC02_TAPE is not set
# CONFIG_FTAPE is not set
# CONFIG_APM is not set
# CONFIG_WATCHDOG is not set
# CONFIG_RTC is not set
# CONFIG_NVRAM is not set
# CONFIG_JOYSTICK is not set
#
# Sound
#
# CONFIG_SOUND is not set
#CONFIG_SOUND=y
# CONFIG_PAS is not set
# CONFIG_SB is not set
# CONFIG_ADLIB is not set
# CONFIG_GUS is not set
# CONFIG_MPU401 is not set
# CONFIG_PSS is not set
# CONFIG_GUS16 is not set
# CONFIG_GUSMAX is not set
# CONFIG_MSS is not set
# CONFIG_SSCAPE is not set
# CONFIG_TRIX is not set
# CONFIG_MAD16 is not set
CONFIG_CS4232=y
# CONFIG_MAUI is not set
# CONFIG_YM3812 is not set
CS4232_BASE=830
CS4232_IRQ=10
CS4232_DMA=6
CS4232_DMA2=7
CS4232_MPU_BASE=330
CS4232_MPU_IRQ=9
# CONFIG_LOWLEVEL_SOUND is not set
arch/ppc/kernel/Makefile
View file @ 94520e42
......@@ -7,40 +7,25 @@
#
# Note 2! The CFLAGS definitions are now in the main makefile...
.c.s:
$(CC) $(CFLAGS) -S $<
.s.o:
$(AS) $(ASFLAGS) -o $*.o $<
.c.o:
$(CC) $(CFLAGS) -c $<
.S.s:
$(CPP) $(CFLAGS) -D__ASSEMBLY__ $< -o $*.s
.S.o:
$(CPP) $(CFLAGS) -D__ASSEMBLY__ $< -o $*.s
$(AS) $(ASFLAGS) -o $*.o $*.s
rm $*.s
$(CC) -D__ASSEMBLY__ -c $< -o $*.o
HOST_CC = gcc
OBJS = misc.o port_io.o pci.o traps.o process.o \
signal.o syscalls.o ptrace.o ksyms.o irq.o bitops.o strcase.o ppc_htab.o
O_TARGET := kernel.o
O_OBJS := misc.o traps.o process.o signal.o syscalls.o \
align.o ptrace.o irq.o bitops.o ppc_htab.o idle.o prom.o \
time.o prep_time.o pmac_time.o \
setup.o pmac_setup.o pmac_support.o \
pci.o prep_pci.o pmac_pci.o
OX_OBJS := ppc_ksyms.o
all: head.o kernel.o
head.o: head.S $(TOPDIR)/include/linux/tasks.h ppc_defs.h
ifeq ($(CONFIG_PREP),y)
OBJS += prep_setup.o prep_time.o
endif
ifeq ($(CONFIG_PMAC),y)
OBJS += pmac_setup.o pmac_support.o align.o pmac_time.o
O_OBJS += prep_setup.o #prep_time.o
endif
ifeq ($(CONFIG_MODULES),y)
OBJS = ksyms.o
endif
ppc_defs.h: mk_defs.c ppc_defs.head \
$(TOPDIR)/include/asm/mmu.h \
$(TOPDIR)/include/asm/processor.h \
......@@ -53,24 +38,6 @@ ppc_defs.h: mk_defs.c ppc_defs.head \
checks: checks.c
$(HOSTCC) ${CFLAGS} -o checks checks.c
checks
kernel.o: $(OBJS)
$(LD) -r -o kernel.o $(OBJS)
./checks
fastdep:
$(TOPDIR)/scripts/mkdep *.[Sch] > .depend
dep:
$(CPP) -M *.S *.c > .depend
modules:
dummy:
#
# include a dependency file if one exists
#
ifeq (.depend,$(wildcard .depend))
include .depend
endif
include $(TOPDIR)/Rules.make
arch/ppc/kernel/checks.c
View file @ 94520e42
......@@ -25,7 +25,7 @@
int main(void)
{
int ret = 0;
#if 0
if ( sizeof(struct thread_struct) % 16 )
{
printf("Thread struct is not modulo 16 bytes: "
......@@ -34,6 +34,7 @@ int main(void)
sizeof(struct thread_struct)%16);
ret = -1;
}
#endif
if ( sizeof(struct pt_regs) % 16 )
{
......
arch/ppc/kernel/head.S
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arch/ppc/kernel/irq.c
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arch/ppc/kernel/ksyms.c deleted 100644 → 0
View file @ 6efe5c37
#include <linux/config.h>
#include <linux/module.h>
#include <linux/smp.h>
#include <linux/elfcore.h>
#include <linux/sched.h>
#include <asm/semaphore.h>
#include <asm/processor.h>
#include <asm/uaccess.h>
#include <asm/io.h>
void transfer_to_handler();
void int_return();
void syscall_trace();
void handle_IRQ();
void MachineCheckException();
void AlignmentException();
void ProgramCheckException();
void SingleStepException();
void FloatingPointCheckException();
void sys_sigreturn();
unsigned long sys_call_table[];
extern struct task_struct *current_set[1];
/* platform dependent support */
EXPORT_SYMBOL(current_set);
EXPORT_SYMBOL(do_signal);
EXPORT_SYMBOL(syscall_trace);
EXPORT_SYMBOL(transfer_to_handler);
EXPORT_SYMBOL(int_return);
EXPORT_SYMBOL(handle_IRQ);
EXPORT_SYMBOL(init_task_union);
EXPORT_SYMBOL(MachineCheckException);
EXPORT_SYMBOL(AlignmentException);
EXPORT_SYMBOL(ProgramCheckException);
EXPORT_SYMBOL(SingleStepException);
EXPORT_SYMBOL(FloatingPointCheckException);
EXPORT_SYMBOL(sys_sigreturn);
EXPORT_SYMBOL(sys_call_table);
arch/ppc/kernel/misc.S
View file @ 94520e42
......@@ -64,6 +64,7 @@ _GLOBAL(_hard_sti)
mtmsr r3 /* Update machine state */
blr
#if 0
/*
* Restore 'flags'
* __restore_flags(long val)
......@@ -79,11 +80,13 @@ _GLOBAL(__restore_flags)
mtmsr r3
isync
blr
#endif
/*
* We were about to enable interrupts but we have to simulate
* some interrupts that were lost by enable_irq first.
*/
.globl do_lost_interrupts
do_lost_interrupts:
stwu r1,-16(r1)
mflr r0
......@@ -243,7 +246,6 @@ _GLOBAL(_outsl)
bdnz 00b
blr
#ifdef CONFIG_PMAC
_GLOBAL(ide_insw)
mtctr r5
subi r4,r4,2
......@@ -259,7 +261,6 @@ _GLOBAL(ide_outsw)
sthx r5,0,r3
bdnz 00b
blr
#endif
/*
* Extended precision shifts
......@@ -298,7 +299,7 @@ _GLOBAL(abs)
_GLOBAL(_get_SP)
mr r3,r1 /* Close enough */
blr
_GLOBAL(_get_PVR)
mfspr r3,PVR
blr
......@@ -308,6 +309,7 @@ cvt_fd:
lfs 0,0(r3)
stfd 0,0(r4)
blr
/*
* Fetch the current SR register
* get_SR(int index)
......@@ -317,7 +319,6 @@ _GLOBAL(get_SR)
mr r3,r4
blr
_GLOBAL(cvt_df)
cvt_df:
lfd 0,0(r3)
......
arch/ppc/kernel/mk_defs.c
View file @ 94520e42
......@@ -29,7 +29,6 @@
void
main(void)
{
/*DEFINE(KERNELBASE, KERNELBASE);*/
DEFINE(STATE, offsetof(struct task_struct, state));
DEFINE(NEXT_TASK, offsetof(struct task_struct, next_task));
DEFINE(COUNTER, offsetof(struct task_struct, counter));
......@@ -37,54 +36,20 @@ main(void)
DEFINE(SIGNAL, offsetof(struct task_struct, signal));
DEFINE(TSS, offsetof(struct task_struct, tss));
DEFINE(KSP, offsetof(struct thread_struct, ksp));
DEFINE(PG_TABLES, offsetof(struct thread_struct, pg_tables));
#ifdef CONFIG_PMAC
DEFINE(LAST_PC, offsetof(struct thread_struct, last_pc));
DEFINE(USER_STACK, offsetof(struct thread_struct, user_stack));
#endif
/*DEFINE(PG_TABLES, offsetof(struct thread_struct, pg_tables));*/
DEFINE(MM, offsetof(struct task_struct, mm));
DEFINE(PGD, offsetof(struct mm_struct, pgd));
DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
DEFINE(PF_TRACESYS, PF_TRACESYS);
DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
DEFINE(TSS_FPR0, offsetof(struct thread_struct, fpr[0]));
#if 0
DEFINE(TSS_FPR1, offsetof(struct thread_struct, fpr[1]));
DEFINE(TSS_FPR2, offsetof(struct thread_struct, fpr[2]));
DEFINE(TSS_FPR3, offsetof(struct thread_struct, fpr[3]));
DEFINE(TSS_FPR4, offsetof(struct thread_struct, fpr[4]));
DEFINE(TSS_FPR5, offsetof(struct thread_struct, fpr[5]));
DEFINE(TSS_FPR6, offsetof(struct thread_struct, fpr[6]));
DEFINE(TSS_FPR7, offsetof(struct thread_struct, fpr[7]));
DEFINE(TSS_FPR8, offsetof(struct thread_struct, fpr[8]));
DEFINE(TSS_FPR9, offsetof(struct thread_struct, fpr[9]));
DEFINE(TSS_FPR10, offsetof(struct thread_struct, fpr[10]));
DEFINE(TSS_FPR11, offsetof(struct thread_struct, fpr[11]));
DEFINE(TSS_FPR12, offsetof(struct thread_struct, fpr[12]));
DEFINE(TSS_FPR13, offsetof(struct thread_struct, fpr[13]));
DEFINE(TSS_FPR14, offsetof(struct thread_struct, fpr[14]));
DEFINE(TSS_FPR15, offsetof(struct thread_struct, fpr[15]));
DEFINE(TSS_FPR16, offsetof(struct thread_struct, fpr[16]));
DEFINE(TSS_FPR17, offsetof(struct thread_struct, fpr[17]));
DEFINE(TSS_FPR18, offsetof(struct thread_struct, fpr[18]));
DEFINE(TSS_FPR19, offsetof(struct thread_struct, fpr[19]));
DEFINE(TSS_FPR20, offsetof(struct thread_struct, fpr[20]));
DEFINE(TSS_FPR21, offsetof(struct thread_struct, fpr[21]));
DEFINE(TSS_FPR22, offsetof(struct thread_struct, fpr[22]));
DEFINE(TSS_FPR23, offsetof(struct thread_struct, fpr[23]));
DEFINE(TSS_FPR24, offsetof(struct thread_struct, fpr[24]));
DEFINE(TSS_FPR25, offsetof(struct thread_struct, fpr[25]));
DEFINE(TSS_FPR26, offsetof(struct thread_struct, fpr[26]));
DEFINE(TSS_FPR27, offsetof(struct thread_struct, fpr[27]));
DEFINE(TSS_FPR28, offsetof(struct thread_struct, fpr[28]));
DEFINE(TSS_FPR29, offsetof(struct thread_struct, fpr[29]));
DEFINE(TSS_FPR30, offsetof(struct thread_struct, fpr[30]));
DEFINE(TSS_FPR31, offsetof(struct thread_struct, fpr[31]));
#endif
DEFINE(TSS_FPSCR, offsetof(struct thread_struct, fpscr));
/* Interrupt register frame */
DEFINE(TASK_UNION_SIZE, sizeof(union task_union));
DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
/* in fact we only use gpr0 - gpr9 and gpr20 - gpr23 */
DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
......
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arch/ppc/kernel/ppc_asm.tmpl
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......@@ -187,7 +187,3 @@ n:
#define REST_8FPRS(n, base) REST_4FPRS(n, base); REST_4FPRS(n+4, base)
#define REST_16FPRS(n, base) REST_8FPRS(n, base); REST_8FPRS(n+8, base)
#define REST_32FPRS(n, base) REST_16FPRS(n, base); REST_16FPRS(n+16, base)
/* Missing instructions */
#define bdne bc 0,2,
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