Skip to content

L
linux
Commit 35dca6a2 authored by Pete Zaitcev's avatar Pete Zaitcev Committed by David S. Miller
Browse files
Options

[SPARC]: Colin Gibbs gcc-3.x support.

parent 5ac8451a
Hide whitespace changes
Inline Side-by-side
Showing with 189 additions and 240 deletions
arch/sparc/kernel/entry.S
View file @ 35dca6a2
......@@ -40,6 +40,14 @@
#define NR_SYSCALLS 256 /* Each OS is different... */
/* These are just handy. */
#define _SV save %sp, -STACKFRAME_SZ, %sp
#define _RS restore
#define FLUSH_ALL_KERNEL_WINDOWS \
_SV; _SV; _SV; _SV; _SV; _SV; _SV; \
_RS; _RS; _RS; _RS; _RS; _RS; _RS;
/* First, KGDB low level things. This is a rewrite
* of the routines found in the sparc-stub.c asm() statement
* from the gdb distribution. This is also dual-purpose
......@@ -73,11 +81,11 @@ C_LABEL(trap_low):
/* Make sure kgdb sees the same state we just saved. */
LOAD_PT_GLOBALS(sp)
LOAD_PT_INS(sp)
ld [%sp + REGWIN_SZ + PT_Y], %l4
ld [%sp + REGWIN_SZ + PT_WIM], %l3
ld [%sp + REGWIN_SZ + PT_PSR], %l0
ld [%sp + REGWIN_SZ + PT_PC], %l1
ld [%sp + REGWIN_SZ + PT_NPC], %l2
ld [%sp + STACKFRAME_SZ + PT_Y], %l4
ld [%sp + STACKFRAME_SZ + PT_WIM], %l3
ld [%sp + STACKFRAME_SZ + PT_PSR], %l0
ld [%sp + STACKFRAME_SZ + PT_PC], %l1
ld [%sp + STACKFRAME_SZ + PT_NPC], %l2
rd %tbr, %l5 /* Never changes... */
/* Make kgdb exception frame. */
......@@ -97,7 +105,7 @@ C_LABEL(trap_low):
WRITE_PAUSE
call C_LABEL(handle_exception)
add %sp, REGWIN_SZ, %o0 ! Pass address of registers
add %sp, STACKFRAME_SZ, %o0 ! Pass address of registers
/* Load new kgdb register set. */
LOAD_KGDB_GLOBALS(sp)
......@@ -266,7 +274,7 @@ floppy_dosoftint:
mov 11, %o0 ! floppy irq level (unused anyway)
mov %g0, %o1 ! devid is not used in fast interrupts
call C_LABEL(sparc_floppy_irq)
add %sp, REGWIN_SZ, %o2 ! struct pt_regs *regs
add %sp, STACKFRAME_SZ, %o2 ! struct pt_regs *regs
RESTORE_ALL
......@@ -315,7 +323,7 @@ real_irq_continue:
mov %l7, %o0 ! irq level
patch_handler_irq:
call C_LABEL(handler_irq)
add %sp, REGWIN_SZ, %o1 ! pt_regs ptr
add %sp, STACKFRAME_SZ, %o1 ! pt_regs ptr
or %l0, PSR_PIL, %g2 ! restore PIL after handler_irq
wr %g2, PSR_ET, %psr ! keep ET up
WRITE_PAUSE
......@@ -332,7 +340,7 @@ smp4m_ticker:
wr %g2, PSR_ET, %psr
WRITE_PAUSE
call C_LABEL(smp4m_percpu_timer_interrupt)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
wr %l0, PSR_ET, %psr
WRITE_PAUSE
RESTORE_ALL
......@@ -439,7 +447,7 @@ smp4d_ticker:
wr %g2, PSR_ET, %psr
WRITE_PAUSE
call C_LABEL(smp4d_percpu_timer_interrupt)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
wr %l0, PSR_ET, %psr
WRITE_PAUSE
RESTORE_ALL
......@@ -501,7 +509,7 @@ bad_instruction:
wr %l0, PSR_ET, %psr ! re-enable traps
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(do_illegal_instruction)
......@@ -521,7 +529,7 @@ priv_instruction:
wr %l0, PSR_ET, %psr
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(do_priv_instruction)
......@@ -544,7 +552,7 @@ mna_handler:
ld [%l1], %o1
call C_LABEL(kernel_unaligned_trap)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
RESTORE_ALL
......@@ -556,7 +564,7 @@ mna_fromuser:
ld [%l1], %o1
call C_LABEL(user_unaligned_trap)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
RESTORE_ALL
......@@ -569,7 +577,7 @@ fpd_trap_handler:
wr %l0, PSR_ET, %psr ! re-enable traps
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(do_fpd_trap)
......@@ -608,7 +616,7 @@ fpe_trap_handler:
wr %l0, PSR_ET, %psr ! re-enable traps
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(do_fpe_trap)
......@@ -625,7 +633,7 @@ do_tag_overflow:
wr %l0, PSR_ET, %psr ! re-enable traps
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(handle_tag_overflow)
......@@ -642,7 +650,7 @@ do_watchpoint:
wr %l0, PSR_ET, %psr ! re-enable traps
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(handle_watchpoint)
......@@ -659,7 +667,7 @@ do_reg_access:
wr %l0, PSR_ET, %psr ! re-enable traps
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(handle_reg_access)
......@@ -676,7 +684,7 @@ do_cp_disabled:
wr %l0, PSR_ET, %psr ! re-enable traps
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(handle_cp_disabled)
......@@ -693,7 +701,7 @@ do_cp_exception:
wr %l0, PSR_ET, %psr ! re-enable traps
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(handle_cp_exception)
......@@ -710,7 +718,7 @@ do_hw_divzero:
wr %l0, PSR_ET, %psr ! re-enable traps
WRITE_PAUSE
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
mov %l1, %o1
mov %l2, %o2
call C_LABEL(handle_hw_divzero)
......@@ -734,10 +742,10 @@ do_flush_windows:
nop
/* Advance over the trap instruction. */
ld [%sp + REGWIN_SZ + PT_NPC], %l1
ld [%sp + STACKFRAME_SZ + PT_NPC], %l1
add %l1, 0x4, %l2
st %l1, [%sp + REGWIN_SZ + PT_PC]
st %l2, [%sp + REGWIN_SZ + PT_NPC]
st %l1, [%sp + STACKFRAME_SZ + PT_PC]
st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
RESTORE_ALL
......@@ -749,10 +757,10 @@ flush_patch_one:
FLUSH_ALL_KERNEL_WINDOWS
/* Advance over the trap instruction. */
ld [%sp + REGWIN_SZ + PT_NPC], %l1
ld [%sp + STACKFRAME_SZ + PT_NPC], %l1
add %l1, 0x4, %l2
st %l1, [%sp + REGWIN_SZ + PT_PC]
st %l2, [%sp + REGWIN_SZ + PT_NPC]
st %l1, [%sp + STACKFRAME_SZ + PT_PC]
st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
RESTORE_ALL
......@@ -821,7 +829,7 @@ linux_trap_nmi_sun4c:
sub %o0, 0x4, %o0
lda [%o0] ASI_CONTROL, %o3 ! async error
call C_LABEL(sparc_lvl15_nmi)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
RESTORE_ALL
......@@ -1155,7 +1163,7 @@ sun4c_fault_fromuser:
WRITE_PAUSE
call C_LABEL(do_sun4c_fault)
add %sp, REGWIN_SZ, %o0 ! arg1 = pt_regs ptr
add %sp, STACKFRAME_SZ, %o0 ! arg1 = pt_regs ptr
RESTORE_ALL
......@@ -1189,7 +1197,7 @@ C_LABEL(srmmu_fault):
WRITE_PAUSE
call C_LABEL(do_sparc_fault)
add %sp, REGWIN_SZ, %o0 ! arg1 = pt_regs ptr
add %sp, STACKFRAME_SZ, %o0 ! arg1 = pt_regs ptr
RESTORE_ALL
......@@ -1227,7 +1235,7 @@ C_LABEL(sunos_indir):
.globl C_LABEL(sys_nis_syscall)
C_LABEL(sys_nis_syscall):
mov %o7, %l5
add %sp, REGWIN_SZ, %o0 ! pt_regs *regs arg
add %sp, STACKFRAME_SZ, %o0 ! pt_regs *regs arg
call C_LABEL(c_sys_nis_syscall)
mov %l5, %o7
......@@ -1235,7 +1243,7 @@ C_LABEL(sys_nis_syscall):
.globl C_LABEL(sys_ptrace)
C_LABEL(sys_ptrace):
call C_LABEL(do_ptrace)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
ld [%curptr + TI_TASK], %l5
ld [%l5 + AOFF_task_ptrace], %l5
......@@ -1253,7 +1261,7 @@ C_LABEL(sys_ptrace):
.globl C_LABEL(sys_execve)
C_LABEL(sys_execve):
mov %o7, %l5
add %sp, REGWIN_SZ, %o0 ! pt_regs *regs arg
add %sp, STACKFRAME_SZ, %o0 ! pt_regs *regs arg
call C_LABEL(sparc_execve)
mov %l5, %o7
......@@ -1261,7 +1269,7 @@ C_LABEL(sys_execve):
.globl C_LABEL(sys_pipe)
C_LABEL(sys_pipe):
mov %o7, %l5
add %sp, REGWIN_SZ, %o0 ! pt_regs *regs arg
add %sp, STACKFRAME_SZ, %o0 ! pt_regs *regs arg
call C_LABEL(sparc_pipe)
mov %l5, %o7
......@@ -1286,7 +1294,7 @@ C_LABEL(sys_sigstack):
C_LABEL(sys_sigpause):
/* Note: %o0 already has correct value... */
call C_LABEL(do_sigpause)
add %sp, REGWIN_SZ, %o1
add %sp, STACKFRAME_SZ, %o1
ld [%curptr + TI_TASK], %l5
ld [%l5 + AOFF_task_ptrace], %l5
......@@ -1305,7 +1313,7 @@ C_LABEL(sys_sigpause):
.globl C_LABEL(sys_sigsuspend)
C_LABEL(sys_sigsuspend):
call C_LABEL(do_sigsuspend)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
ld [%curptr + TI_TASK], %l5
ld [%l5 + AOFF_task_ptrace], %l5
......@@ -1325,7 +1333,7 @@ C_LABEL(sys_sigsuspend):
C_LABEL(sys_rt_sigsuspend):
/* Note: %o0, %o1 already have correct value... */
call C_LABEL(do_rt_sigsuspend)
add %sp, REGWIN_SZ, %o2
add %sp, STACKFRAME_SZ, %o2
ld [%curptr + TI_TASK], %l5
ld [%l5 + AOFF_task_ptrace], %l5
......@@ -1344,7 +1352,7 @@ C_LABEL(sys_rt_sigsuspend):
.globl C_LABEL(sys_sigreturn)
C_LABEL(sys_sigreturn):
call C_LABEL(do_sigreturn)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
ld [%curptr + TI_TASK], %l5
ld [%l5 + AOFF_task_ptrace], %l5
......@@ -1365,7 +1373,7 @@ C_LABEL(sys_sigreturn):
.globl C_LABEL(sys_rt_sigreturn)
C_LABEL(sys_rt_sigreturn):
call C_LABEL(do_rt_sigreturn)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
ld [%curptr + TI_TASK], %l5
ld [%l5 + AOFF_task_ptrace], %l5
......@@ -1401,7 +1409,7 @@ flush_patch_two:
WRITE_PAUSE
mov %fp, %o1 ! arg1: usp
std %g4, [%o4 + AOFF_task_thread + AOFF_thread_fork_kpsr]
add %sp, REGWIN_SZ, %o2 ! arg2: pt_regs ptr
add %sp, STACKFRAME_SZ, %o2 ! arg2: pt_regs ptr
mov 0, %o3
call C_LABEL(sparc_do_fork)
mov %l5, %o7
......@@ -1425,7 +1433,7 @@ flush_patch_three:
andn %o1, 7, %o1 ! no, align to 8 bytes
1:
std %g4, [%o4 + AOFF_task_thread + AOFF_thread_fork_kpsr]
add %sp, REGWIN_SZ, %o2 ! arg2: pt_regs ptr
add %sp, STACKFRAME_SZ, %o2 ! arg2: pt_regs ptr
mov 0, %o3
call C_LABEL(sparc_do_fork)
mov %l5, %o7
......@@ -1447,7 +1455,7 @@ flush_patch_four:
sethi %hi(C_LABEL(sparc_do_fork)), %l1
mov 0, %o3
jmpl %l1 + %lo(C_LABEL(sparc_do_fork)), %g0
add %sp, REGWIN_SZ, %o2
add %sp, STACKFRAME_SZ, %o2
.align 4
linux_sparc_ni_syscall:
......@@ -1478,7 +1486,7 @@ C_LABEL(ret_from_fork):
call schedule_tail
mov %g3, %o0
b C_LABEL(ret_sys_call)
ld [%sp + REGWIN_SZ + PT_I0], %o0
ld [%sp + STACKFRAME_SZ + PT_I0], %o0
/* Linux native and SunOS system calls enter here... */
.align 4
......@@ -1514,14 +1522,14 @@ syscall_is_too_hard:
call %l7
mov %i5, %o5
st %o0, [%sp + REGWIN_SZ + PT_I0]
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
.globl C_LABEL(ret_sys_call)
C_LABEL(ret_sys_call):
ld [%curptr + TI_TASK], %l6
ld [%l6 + AOFF_task_ptrace], %l6
cmp %o0, -ENOIOCTLCMD
ld [%sp + REGWIN_SZ + PT_PSR], %g3
ld [%sp + STACKFRAME_SZ + PT_PSR], %g3
set PSR_C, %g2
bgeu 1f
andcc %l6, 0x02, %l6
......@@ -1529,35 +1537,35 @@ C_LABEL(ret_sys_call):
/* System call success, clear Carry condition code. */
andn %g3, %g2, %g3
clr %l6
st %g3, [%sp + REGWIN_SZ + PT_PSR]
st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
bne linux_syscall_trace2
ld [%sp + REGWIN_SZ + PT_NPC], %l1 /* pc = npc */
ld [%sp + STACKFRAME_SZ + PT_NPC], %l1 /* pc = npc */
add %l1, 0x4, %l2 /* npc = npc+4 */
st %l1, [%sp + REGWIN_SZ + PT_PC]
st %l1, [%sp + STACKFRAME_SZ + PT_PC]
b ret_trap_entry
st %l2, [%sp + REGWIN_SZ + PT_NPC]
st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
1:
/* System call failure, set Carry condition code.
* Also, get abs(errno) to return to the process.
*/
sub %g0, %o0, %o0
or %g3, %g2, %g3
st %o0, [%sp + REGWIN_SZ + PT_I0]
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
mov 1, %l6
st %g3, [%sp + REGWIN_SZ + PT_PSR]
st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
bne linux_syscall_trace2
ld [%sp + REGWIN_SZ + PT_NPC], %l1 /* pc = npc */
ld [%sp + STACKFRAME_SZ + PT_NPC], %l1 /* pc = npc */
add %l1, 0x4, %l2 /* npc = npc+4 */
st %l1, [%sp + REGWIN_SZ + PT_PC]
st %l1, [%sp + STACKFRAME_SZ + PT_PC]
b ret_trap_entry
st %l2, [%sp + REGWIN_SZ + PT_NPC]
st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
linux_syscall_trace2:
call C_LABEL(syscall_trace)
add %l1, 0x4, %l2 /* npc = npc+4 */
st %l1, [%sp + REGWIN_SZ + PT_PC]
st %l1, [%sp + STACKFRAME_SZ + PT_PC]
b ret_trap_entry
st %l2, [%sp + REGWIN_SZ + PT_NPC]
st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
/*
......@@ -1595,19 +1603,19 @@ solaris_syscall:
mov %i0, %l5
call C_LABEL(do_solaris_syscall)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
st %o0, [%sp + REGWIN_SZ + PT_I0]
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
set PSR_C, %g2
cmp %o0, -ENOIOCTLCMD
bgeu 1f
ld [%sp + REGWIN_SZ + PT_PSR], %g3
ld [%sp + STACKFRAME_SZ + PT_PSR], %g3
/* System call success, clear Carry condition code. */
andn %g3, %g2, %g3
clr %l6
b 2f
st %g3, [%sp + REGWIN_SZ + PT_PSR]
st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
1:
/* System call failure, set Carry condition code.
......@@ -1615,9 +1623,9 @@ solaris_syscall:
*/
sub %g0, %o0, %o0
mov 1, %l6
st %o0, [%sp + REGWIN_SZ + PT_I0]
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
or %g3, %g2, %g3
st %g3, [%sp + REGWIN_SZ + PT_PSR]
st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
/* Advance the pc and npc over the trap instruction.
* If the npc is unaligned (has a 1 in the lower byte), it means
......@@ -1626,19 +1634,19 @@ solaris_syscall:
* nPC (setcontext).
*/
2:
ld [%sp + REGWIN_SZ + PT_NPC], %l1 /* pc = npc */
ld [%sp + STACKFRAME_SZ + PT_NPC], %l1 /* pc = npc */
andcc %l1, 1, %g0
bne 1f
add %l1, 0x4, %l2 /* npc = npc+4 */
st %l1, [%sp + REGWIN_SZ + PT_PC]
st %l1, [%sp + STACKFRAME_SZ + PT_PC]
b ret_trap_entry
st %l2, [%sp + REGWIN_SZ + PT_NPC]
st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
/* kernel knows what it is doing, fixup npc and continue */
1:
sub %l1, 1, %l1
b ret_trap_entry
st %l1, [%sp + REGWIN_SZ + PT_NPC]
st %l1, [%sp + STACKFRAME_SZ + PT_NPC]
#ifndef CONFIG_SUNOS_EMUL
.align 4
......@@ -1651,7 +1659,7 @@ sunos_syscall:
nop
mov %i0, %l5
call C_LABEL(do_sunos_syscall)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
#endif
/* {net, open}bsd system calls enter here... */
......@@ -1688,17 +1696,17 @@ bsd_is_too_hard:
call %l7
mov %i5, %o5
st %o0, [%sp + REGWIN_SZ + PT_I0]
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
set PSR_C, %g2
cmp %o0, -ENOIOCTLCMD
bgeu 1f
ld [%sp + REGWIN_SZ + PT_PSR], %g3
ld [%sp + STACKFRAME_SZ + PT_PSR], %g3
/* System call success, clear Carry condition code. */
andn %g3, %g2, %g3
clr %l6
b 2f
st %g3, [%sp + REGWIN_SZ + PT_PSR]
st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
1:
/* System call failure, set Carry condition code.
......@@ -1712,17 +1720,17 @@ bsd_is_too_hard:
ld [%o3 + %o0], %o0
#endif
mov 1, %l6
st %o0, [%sp + REGWIN_SZ + PT_I0]
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
or %g3, %g2, %g3
st %g3, [%sp + REGWIN_SZ + PT_PSR]
st %g3, [%sp + STACKFRAME_SZ + PT_PSR]
/* Advance the pc and npc over the trap instruction. */
2:
ld [%sp + REGWIN_SZ + PT_NPC], %l1 /* pc = npc */
ld [%sp + STACKFRAME_SZ + PT_NPC], %l1 /* pc = npc */
add %l1, 0x4, %l2 /* npc = npc+4 */
st %l1, [%sp + REGWIN_SZ + PT_PC]
st %l1, [%sp + STACKFRAME_SZ + PT_PC]
b ret_trap_entry
st %l2, [%sp + REGWIN_SZ + PT_NPC]
st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
/* Saving and restoring the FPU state is best done from lowlevel code.
*
......@@ -1810,7 +1818,7 @@ C_LABEL(fpload):
.globl C_LABEL(ndelay)
C_LABEL(ndelay):
save %sp, -REGWIN_SZ, %sp
save %sp, -STACKFRAME_SZ, %sp
mov %i0, %o0
call .umul
mov 5, %o1
......@@ -1819,7 +1827,7 @@ C_LABEL(ndelay):
.globl C_LABEL(udelay)
C_LABEL(udelay):
save %sp, -REGWIN_SZ, %sp
save %sp, -STACKFRAME_SZ, %sp
mov %i0, %o0
sethi %hi(0x10c6), %o1
call .umul
......@@ -1856,9 +1864,9 @@ breakpoint_trap:
wr %l0, PSR_ET, %psr
WRITE_PAUSE
st %i0, [%sp + REGWIN_SZ + PT_G0] ! for restarting syscalls
st %i0, [%sp + STACKFRAME_SZ + PT_G0] ! for restarting syscalls
call C_LABEL(sparc_breakpoint)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
RESTORE_ALL
......@@ -1953,7 +1961,7 @@ linux_trap_ipi15_pcic:
WRITE_PAUSE
call C_LABEL(pcic_nmi)
add %sp, REGWIN_SZ, %o1 ! struct pt_regs *regs
add %sp, STACKFRAME_SZ, %o1 ! struct pt_regs *regs
RESTORE_ALL
.globl C_LABEL(pcic_nmi_trap_patch)
......
arch/sparc/kernel/etrap.S
View file @ 35dca6a2
......@@ -88,7 +88,7 @@ trap_setup:
/* From kernel, allocate more kernel stack and
* build a pt_regs trap frame.
*/
sub %fp, (REGWIN_SZ + TRACEREG_SZ), %t_kstack
sub %fp, (STACKFRAME_SZ + TRACEREG_SZ), %t_kstack
STORE_PT_ALL(t_kstack, t_psr, t_pc, t_npc, g2)
/* See if we are in the trap window. */
......@@ -129,7 +129,7 @@ tsetup_patch2:
jmpl %t_retpc + 0x8, %g0 ! return to caller
mov %t_kstack, %sp ! and onto new kernel stack
#define STACK_OFFSET (THREAD_SIZE - (TRACEREG_SZ + REGWIN_SZ))
#define STACK_OFFSET (THREAD_SIZE - TRACEREG_SZ - STACKFRAME_SZ)
trap_setup_from_user:
/* We can't use %curptr yet. */
......
arch/sparc/kernel/head.S
View file @ 35dca6a2
......@@ -1012,7 +1012,7 @@ sun4c_continue_boot:
/* I want a kernel stack NOW! */
set C_LABEL(init_thread_union), %g1
set (THREAD_SIZE - REGWIN_SZ), %g2
set (THREAD_SIZE - STACKFRAME_SZ), %g2
add %g1, %g2, %sp
mov 0, %fp /* And for good luck */
......
arch/sparc/kernel/process.c
View file @ 35dca6a2
......@@ -377,60 +377,12 @@ void flush_thread(void)
current->thread.flags &= ~SPARC_FLAG_KTHREAD;
/* We must fixup kregs as well. */
/* XXX This was not fixed for ti for a while, worked. Unused? */
current->thread.kregs = (struct pt_regs *)
(((unsigned long)current) +
(THREAD_SIZE - TRACEREG_SZ));
((char *)current->thread_info + (THREAD_SIZE - TRACEREG_SZ));
}
}
static __inline__ void copy_regs(struct pt_regs *dst, struct pt_regs *src)
{
__asm__ __volatile__("ldd\t[%1 + 0x00], %%g2\n\t"
"ldd\t[%1 + 0x08], %%g4\n\t"
"ldd\t[%1 + 0x10], %%o4\n\t"
"std\t%%g2, [%0 + 0x00]\n\t"
"std\t%%g4, [%0 + 0x08]\n\t"
"std\t%%o4, [%0 + 0x10]\n\t"
"ldd\t[%1 + 0x18], %%g2\n\t"
"ldd\t[%1 + 0x20], %%g4\n\t"
"ldd\t[%1 + 0x28], %%o4\n\t"
"std\t%%g2, [%0 + 0x18]\n\t"
"std\t%%g4, [%0 + 0x20]\n\t"
"std\t%%o4, [%0 + 0x28]\n\t"
"ldd\t[%1 + 0x30], %%g2\n\t"
"ldd\t[%1 + 0x38], %%g4\n\t"
"ldd\t[%1 + 0x40], %%o4\n\t"
"std\t%%g2, [%0 + 0x30]\n\t"
"std\t%%g4, [%0 + 0x38]\n\t"
"ldd\t[%1 + 0x48], %%g2\n\t"
"std\t%%o4, [%0 + 0x40]\n\t"
"std\t%%g2, [%0 + 0x48]\n\t" : :
"r" (dst), "r" (src) :
"g2", "g3", "g4", "g5", "o4", "o5");
}
static __inline__ void copy_regwin(struct reg_window *dst, struct reg_window *src)
{
__asm__ __volatile__("ldd\t[%1 + 0x00], %%g2\n\t"
"ldd\t[%1 + 0x08], %%g4\n\t"
"ldd\t[%1 + 0x10], %%o4\n\t"
"std\t%%g2, [%0 + 0x00]\n\t"
"std\t%%g4, [%0 + 0x08]\n\t"
"std\t%%o4, [%0 + 0x10]\n\t"
"ldd\t[%1 + 0x18], %%g2\n\t"
"ldd\t[%1 + 0x20], %%g4\n\t"
"ldd\t[%1 + 0x28], %%o4\n\t"
"std\t%%g2, [%0 + 0x18]\n\t"
"std\t%%g4, [%0 + 0x20]\n\t"
"std\t%%o4, [%0 + 0x28]\n\t"
"ldd\t[%1 + 0x30], %%g2\n\t"
"ldd\t[%1 + 0x38], %%g4\n\t"
"std\t%%g2, [%0 + 0x30]\n\t"
"std\t%%g4, [%0 + 0x38]\n\t" : :
"r" (dst), "r" (src) :
"g2", "g3", "g4", "g5", "o4", "o5");
}
static __inline__ struct sparc_stackf *
clone_stackframe(struct sparc_stackf *dst, struct sparc_stackf *src)
{
......@@ -495,8 +447,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
{
struct thread_info *ti = p->thread_info;
struct pt_regs *childregs;
struct reg_window *new_stack;
unsigned long stack_offset;
char *new_stack;
#ifndef CONFIG_SMP
if(last_task_used_math == current) {
......@@ -513,15 +464,18 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
p->set_child_tid = p->clear_child_tid = NULL;
/* Calculate offset to stack_frame & pt_regs */
stack_offset = THREAD_SIZE - TRACEREG_SZ;
if(regs->psr & PSR_PS)
stack_offset -= REGWIN_SZ;
childregs = ((struct pt_regs *) (((unsigned long)ti) + stack_offset));
copy_regs(childregs, regs);
new_stack = (((struct reg_window *) childregs) - 1);
copy_regwin(new_stack, (((struct reg_window *) regs) - 1));
/*
* p->thread_info new_stack childregs
* ! ! ! {if(PSR_PS) }
* V V (stk.fr.) V (pt_regs) { (stk.fr.) }
* +----- - - - - - ------+===========+============={+==========}+
*/
new_stack = (char*)ti + THREAD_SIZE;
if (regs->psr & PSR_PS)
new_stack -= STACKFRAME_SZ;
new_stack -= STACKFRAME_SZ + TRACEREG_SZ;
memcpy(new_stack, (char *)regs - STACKFRAME_SZ, STACKFRAME_SZ + TRACEREG_SZ);
childregs = (struct pt_regs *) (new_stack + STACKFRAME_SZ);
/*
* A new process must start with interrupts closed in 2.5,
......@@ -542,14 +496,11 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
extern struct pt_regs fake_swapper_regs;
p->thread.kregs = &fake_swapper_regs;
new_stack = (struct reg_window *)
((((unsigned long)ti) + (THREAD_SIZE)) - REGWIN_SZ);
new_stack += STACKFRAME_SZ + TRACEREG_SZ;
childregs->u_regs[UREG_FP] = (unsigned long) new_stack;
p->thread.flags |= SPARC_FLAG_KTHREAD;
p->thread.current_ds = KERNEL_DS;
memcpy((void *)new_stack,
(void *)regs->u_regs[UREG_FP],
sizeof(struct reg_window));
memcpy(new_stack, (void *)regs->u_regs[UREG_FP], STACKFRAME_SZ);
childregs->u_regs[UREG_G6] = (unsigned long) ti;
} else {
p->thread.kregs = childregs;
......
arch/sparc/kernel/rtrap.S
View file @ 35dca6a2
......@@ -72,16 +72,16 @@ C_LABEL(ret_trap_lockless_ipi):
signal_p:
andcc %g2, (_TIF_NOTIFY_RESUME|_TIF_SIGPENDING), %g0
bz,a ret_trap_continue
ld [%sp + REGWIN_SZ + PT_PSR], %t_psr
ld [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
clr %o0
mov %l5, %o2
mov %l6, %o3
call C_LABEL(do_signal)
add %sp, REGWIN_SZ, %o1 ! pt_regs ptr
add %sp, STACKFRAME_SZ, %o1 ! pt_regs ptr
/* Fall through. */
ld [%sp + REGWIN_SZ + PT_PSR], %t_psr
ld [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
clr %l6
ret_trap_continue:
wr %t_psr, 0x0, %psr
......@@ -98,7 +98,7 @@ ret_trap_continue:
mov 1, %o1
call C_LABEL(try_to_clear_window_buffer)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
b signal_p
ld [%curptr + TI_FLAGS], %g2
......@@ -145,7 +145,7 @@ ret_trap_userwins_ok:
nop
b ret_trap_unaligned_pc
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
1:
LOAD_PT_YREG(sp, g1)
......@@ -158,9 +158,9 @@ ret_trap_userwins_ok:
rett %t_npc
ret_trap_unaligned_pc:
ld [%sp + REGWIN_SZ + PT_PC], %o1
ld [%sp + REGWIN_SZ + PT_NPC], %o2
ld [%sp + REGWIN_SZ + PT_PSR], %o3
ld [%sp + STACKFRAME_SZ + PT_PC], %o1
ld [%sp + STACKFRAME_SZ + PT_NPC], %o2
ld [%sp + STACKFRAME_SZ + PT_PSR], %o3
wr %t_wim, 0x0, %wim ! or else...
......@@ -218,7 +218,7 @@ ret_trap_user_stack_is_bolixed:
WRITE_PAUSE
call C_LABEL(window_ret_fault)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
b signal_p
ld [%curptr + TI_FLAGS], %g2
......
arch/sparc/kernel/signal.c
View file @ 35dca6a2
......@@ -753,7 +753,7 @@ setup_svr4_frame(struct sigaction *sa, unsigned long pc, unsigned long npc,
synchronize_user_stack();
sfp = (svr4_signal_frame_t __user *)
get_sigframe(sa, regs, SVR4_SF_ALIGNED + REGWIN_SZ);
get_sigframe(sa, regs, SVR4_SF_ALIGNED + sizeof(struct reg_window));
if (invalid_frame_pointer(sfp, sizeof(*sfp)))
goto sigill_and_return;
......
arch/sparc/kernel/sunos_asm.S
View file @ 35dca6a2
......@@ -16,7 +16,7 @@
.align 4
/* When calling ret_sys_call, %o0 should contain the same
* value as in [%sp + REGWIN_SZ + PT_I0] */
* value as in [%sp + STACKFRAME_SZ + PT_I0] */
/* SunOS getpid() returns pid in %o0 and ppid in %o1 */
.globl C_LABEL(sunos_getpid)
......@@ -25,10 +25,10 @@ C_LABEL(sunos_getpid):
nop
call C_LABEL(sys_getpid)
st %o0, [%sp + REGWIN_SZ + PT_I1]
st %o0, [%sp + STACKFRAME_SZ + PT_I1]
b C_LABEL(ret_sys_call)
st %o0, [%sp + REGWIN_SZ + PT_I0]
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
/* SunOS getuid() returns uid in %o0 and euid in %o1 */
.globl C_LABEL(sunos_getuid)
......@@ -37,10 +37,10 @@ C_LABEL(sunos_getuid):
nop
call C_LABEL(sys_getuid16)
st %o0, [%sp + REGWIN_SZ + PT_I1]
st %o0, [%sp + STACKFRAME_SZ + PT_I1]
b C_LABEL(ret_sys_call)
st %o0, [%sp + REGWIN_SZ + PT_I0]
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
/* SunOS getgid() returns gid in %o0 and egid in %o1 */
.globl C_LABEL(sunos_getgid)
......@@ -49,20 +49,20 @@ C_LABEL(sunos_getgid):
nop
call C_LABEL(sys_getgid16)
st %o0, [%sp + REGWIN_SZ + PT_I1]
st %o0, [%sp + STACKFRAME_SZ + PT_I1]
b C_LABEL(ret_sys_call)
st %o0, [%sp + REGWIN_SZ + PT_I0]
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
/* SunOS's execv() call only specifies the argv argument, the
* environment settings are the same as the calling processes.
*/
.globl C_LABEL(sunos_execv)
C_LABEL(sunos_execv):
st %g0, [%sp + REGWIN_SZ + PT_I2]
st %g0, [%sp + STACKFRAME_SZ + PT_I2]
call C_LABEL(sparc_execve)
add %sp, REGWIN_SZ, %o0
add %sp, STACKFRAME_SZ, %o0
b C_LABEL(ret_sys_call)
ld [%sp + REGWIN_SZ + PT_I0], %o0
ld [%sp + STACKFRAME_SZ + PT_I0], %o0
arch/sparc/kernel/trampoline.S
View file @ 35dca6a2
......@@ -63,8 +63,8 @@ cpu3_startup:
and %g4, 0xc, %g4
ld [%g5 + %g4], %g6
sethi %hi(THREAD_SIZE - REGWIN_SZ), %sp
or %sp, %lo(THREAD_SIZE - REGWIN_SZ), %sp
sethi %hi(THREAD_SIZE - STACKFRAME_SZ), %sp
or %sp, %lo(THREAD_SIZE - STACKFRAME_SZ), %sp
add %g6, %sp, %sp
/* Turn on traps (PSR_ET). */
......@@ -142,8 +142,8 @@ C_LABEL(sun4d_cpu_startup):
srl %g3, 1, %g4
ld [%g5 + %g4], %g6
sethi %hi(THREAD_SIZE - REGWIN_SZ), %sp
or %sp, %lo(THREAD_SIZE - REGWIN_SZ), %sp
sethi %hi(THREAD_SIZE - STACKFRAME_SZ), %sp
or %sp, %lo(THREAD_SIZE - STACKFRAME_SZ), %sp
add %g6, %sp, %sp
/* Turn on traps (PSR_ET). */
......
arch/sparc/kernel/windows.c
View file @ 35dca6a2
......@@ -120,7 +120,7 @@ void try_to_clear_window_buffer(struct pt_regs *regs, int who)
unsigned long sp = tp->rwbuf_stkptrs[window];
if((sp & 7) ||
copy_to_user((char *) sp, &tp->reg_window[window], REGWIN_SZ))
copy_to_user((char *) sp, &tp->reg_window[window], sizeof(struct reg_window)))
do_exit(SIGILL);
}
tp->w_saved = 0;
......
arch/sparc/kernel/wof.S
View file @ 35dca6a2
......@@ -238,7 +238,7 @@ spwin_user_stack_is_bolixed:
spnwin_patch3: and %twin_tmp, 0xff, %twin_tmp ! patched on 7win Sparcs
st %twin_tmp, [%curptr + TI_UWINMASK]
#define STACK_OFFSET (THREAD_SIZE - TRACEREG_SZ - REGWIN_SZ)
#define STACK_OFFSET (THREAD_SIZE - TRACEREG_SZ - STACKFRAME_SZ)
sethi %hi(STACK_OFFSET), %sp
or %sp, %lo(STACK_OFFSET), %sp
......
arch/sparc/kernel/wuf.S
View file @ 35dca6a2
......@@ -140,7 +140,7 @@ fwin_from_user:
C_LABEL(fwin_mmu_patchme): b C_LABEL(sun4c_fwin_stackchk)
andcc %sp, 0x7, %g0
#define STACK_OFFSET (THREAD_SIZE - TRACEREG_SZ - REGWIN_SZ)
#define STACK_OFFSET (THREAD_SIZE - TRACEREG_SZ - STACKFRAME_SZ)
fwin_user_stack_is_bolixed:
/* LOCATION: Window 'W' */
......
include/asm-sparc/kgdb.h
View file @ 35dca6a2
......@@ -52,43 +52,43 @@ struct kgdb_frame {
#define KGDB_NPC 0x114
#define SAVE_KGDB_GLOBALS(reg) \
std %g0, [%reg + REGWIN_SZ + KGDB_G0]; \
std %g2, [%reg + REGWIN_SZ + KGDB_G2]; \
std %g4, [%reg + REGWIN_SZ + KGDB_G4]; \
std %g6, [%reg + REGWIN_SZ + KGDB_G6];
std %g0, [%reg + STACKFRAME_SZ + KGDB_G0]; \
std %g2, [%reg + STACKFRAME_SZ + KGDB_G2]; \
std %g4, [%reg + STACKFRAME_SZ + KGDB_G4]; \
std %g6, [%reg + STACKFRAME_SZ + KGDB_G6];
#define SAVE_KGDB_INS(reg) \
std %i0, [%reg + REGWIN_SZ + KGDB_I0]; \
std %i2, [%reg + REGWIN_SZ + KGDB_I2]; \
std %i4, [%reg + REGWIN_SZ + KGDB_I4]; \
std %i6, [%reg + REGWIN_SZ + KGDB_I6];
std %i0, [%reg + STACKFRAME_SZ + KGDB_I0]; \
std %i2, [%reg + STACKFRAME_SZ + KGDB_I2]; \
std %i4, [%reg + STACKFRAME_SZ + KGDB_I4]; \
std %i6, [%reg + STACKFRAME_SZ + KGDB_I6];
#define SAVE_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
st %reg_y, [%reg + REGWIN_SZ + KGDB_Y]; \
st %reg_psr, [%reg + REGWIN_SZ + KGDB_PSR]; \
st %reg_wim, [%reg + REGWIN_SZ + KGDB_WIM]; \
st %reg_tbr, [%reg + REGWIN_SZ + KGDB_TBR]; \
st %reg_pc, [%reg + REGWIN_SZ + KGDB_PC]; \
st %reg_npc, [%reg + REGWIN_SZ + KGDB_NPC];
st %reg_y, [%reg + STACKFRAME_SZ + KGDB_Y]; \
st %reg_psr, [%reg + STACKFRAME_SZ + KGDB_PSR]; \
st %reg_wim, [%reg + STACKFRAME_SZ + KGDB_WIM]; \
st %reg_tbr, [%reg + STACKFRAME_SZ + KGDB_TBR]; \
st %reg_pc, [%reg + STACKFRAME_SZ + KGDB_PC]; \
st %reg_npc, [%reg + STACKFRAME_SZ + KGDB_NPC];
#define LOAD_KGDB_GLOBALS(reg) \
ld [%reg + REGWIN_SZ + KGDB_G1], %g1; \
ldd [%reg + REGWIN_SZ + KGDB_G2], %g2; \
ldd [%reg + REGWIN_SZ + KGDB_G4], %g4; \
ldd [%reg + REGWIN_SZ + KGDB_G6], %g6;
ld [%reg + STACKFRAME_SZ + KGDB_G1], %g1; \
ldd [%reg + STACKFRAME_SZ + KGDB_G2], %g2; \
ldd [%reg + STACKFRAME_SZ + KGDB_G4], %g4; \
ldd [%reg + STACKFRAME_SZ + KGDB_G6], %g6;
#define LOAD_KGDB_INS(reg) \
ldd [%reg + REGWIN_SZ + KGDB_I0], %i0; \
ldd [%reg + REGWIN_SZ + KGDB_I2], %i2; \
ldd [%reg + REGWIN_SZ + KGDB_I4], %i4; \
ldd [%reg + REGWIN_SZ + KGDB_I6], %i6;
ldd [%reg + STACKFRAME_SZ + KGDB_I0], %i0; \
ldd [%reg + STACKFRAME_SZ + KGDB_I2], %i2; \
ldd [%reg + STACKFRAME_SZ + KGDB_I4], %i4; \
ldd [%reg + STACKFRAME_SZ + KGDB_I6], %i6;
#define LOAD_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
ld [%reg + REGWIN_SZ + KGDB_Y], %reg_y; \
ld [%reg + REGWIN_SZ + KGDB_PSR], %reg_psr; \
ld [%reg + REGWIN_SZ + KGDB_WIM], %reg_wim; \
ld [%reg + REGWIN_SZ + KGDB_TBR], %reg_tbr; \
ld [%reg + REGWIN_SZ + KGDB_PC], %reg_pc; \
ld [%reg + REGWIN_SZ + KGDB_NPC], %reg_npc;
ld [%reg + STACKFRAME_SZ + KGDB_Y], %reg_y; \
ld [%reg + STACKFRAME_SZ + KGDB_PSR], %reg_psr; \
ld [%reg + STACKFRAME_SZ + KGDB_WIM], %reg_wim; \
ld [%reg + STACKFRAME_SZ + KGDB_TBR], %reg_tbr; \
ld [%reg + STACKFRAME_SZ + KGDB_PC], %reg_pc; \
ld [%reg + STACKFRAME_SZ + KGDB_NPC], %reg_npc;
#endif /* !(_SPARC_KGDB_H) */
include/asm-sparc/processor.h
View file @ 35dca6a2
......@@ -131,7 +131,7 @@ extern __inline__ void start_thread(struct pt_regs * regs, unsigned long pc,
"std\t%%g0, [%0 + %3 + 0x30]\n\t"
"st\t%1, [%0 + %3 + 0x38]\n\t"
"st\t%%g0, [%0 + %3 + 0x3c]"
: : "r" (regs), "r" (sp - REGWIN_SZ), "r" (zero),
: : "r" (regs), "r" (sp - sizeof(struct reg_window)), "r" (zero),
"i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0])));
}
......
include/asm-sparc/ptrace.h
View file @ 35dca6a2
......@@ -58,7 +58,6 @@ struct sparc_stackf {
#define TRACEREG_SZ sizeof(struct pt_regs)
#define STACKFRAME_SZ sizeof(struct sparc_stackf)
#define REGWIN_SZ sizeof(struct reg_window)
#ifdef __KERNEL__
#define user_mode(regs) (!((regs)->psr & PSR_PS))
......@@ -70,7 +69,6 @@ extern void show_regs(struct pt_regs *);
/* For assembly code. */
#define TRACEREG_SZ 0x50
#define STACKFRAME_SZ 0x60
#define REGWIN_SZ 0x40
#endif
/*
......
include/asm-sparc/winmacro.h
View file @ 35dca6a2
......@@ -11,14 +11,6 @@
#include <asm/ptrace.h>
#include <asm/psr.h>
/* These are just handy. */
#define _SV save %sp, -REGWIN_SZ, %sp
#define _RS restore
#define FLUSH_ALL_KERNEL_WINDOWS \
_SV; _SV; _SV; _SV; _SV; _SV; _SV; \
_RS; _RS; _RS; _RS; _RS; _RS; _RS;
/* Store the register window onto the 8-byte aligned area starting
* at %reg. It might be %sp, it might not, we don't care.
*/
......@@ -45,25 +37,25 @@
/* Loading and storing struct pt_reg trap frames. */
#define LOAD_PT_INS(base_reg) \
ldd [%base_reg + REGWIN_SZ + PT_I0], %i0; \
ldd [%base_reg + REGWIN_SZ + PT_I2], %i2; \
ldd [%base_reg + REGWIN_SZ + PT_I4], %i4; \
ldd [%base_reg + REGWIN_SZ + PT_I6], %i6;
ldd [%base_reg + STACKFRAME_SZ + PT_I0], %i0; \
ldd [%base_reg + STACKFRAME_SZ + PT_I2], %i2; \
ldd [%base_reg + STACKFRAME_SZ + PT_I4], %i4; \
ldd [%base_reg + STACKFRAME_SZ + PT_I6], %i6;
#define LOAD_PT_GLOBALS(base_reg) \
ld [%base_reg + REGWIN_SZ + PT_G1], %g1; \
ldd [%base_reg + REGWIN_SZ + PT_G2], %g2; \
ldd [%base_reg + REGWIN_SZ + PT_G4], %g4; \
ldd [%base_reg + REGWIN_SZ + PT_G6], %g6;
ld [%base_reg + STACKFRAME_SZ + PT_G1], %g1; \
ldd [%base_reg + STACKFRAME_SZ + PT_G2], %g2; \
ldd [%base_reg + STACKFRAME_SZ + PT_G4], %g4; \
ldd [%base_reg + STACKFRAME_SZ + PT_G6], %g6;
#define LOAD_PT_YREG(base_reg, scratch) \
ld [%base_reg + REGWIN_SZ + PT_Y], %scratch; \
ld [%base_reg + STACKFRAME_SZ + PT_Y], %scratch; \
wr %scratch, 0x0, %y;
#define LOAD_PT_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \
ld [%base_reg + REGWIN_SZ + PT_PSR], %pt_psr; \
ld [%base_reg + REGWIN_SZ + PT_PC], %pt_pc; \
ld [%base_reg + REGWIN_SZ + PT_NPC], %pt_npc;
ld [%base_reg + STACKFRAME_SZ + PT_PSR], %pt_psr; \
ld [%base_reg + STACKFRAME_SZ + PT_PC], %pt_pc; \
ld [%base_reg + STACKFRAME_SZ + PT_NPC], %pt_npc;
#define LOAD_PT_ALL(base_reg, pt_psr, pt_pc, pt_npc, scratch) \
LOAD_PT_YREG(base_reg, scratch) \
......@@ -72,25 +64,25 @@
LOAD_PT_PRIV(base_reg, pt_psr, pt_pc, pt_npc)
#define STORE_PT_INS(base_reg) \
std %i0, [%base_reg + REGWIN_SZ + PT_I0]; \
std %i2, [%base_reg + REGWIN_SZ + PT_I2]; \
std %i4, [%base_reg + REGWIN_SZ + PT_I4]; \
std %i6, [%base_reg + REGWIN_SZ + PT_I6];
std %i0, [%base_reg + STACKFRAME_SZ + PT_I0]; \
std %i2, [%base_reg + STACKFRAME_SZ + PT_I2]; \
std %i4, [%base_reg + STACKFRAME_SZ + PT_I4]; \
std %i6, [%base_reg + STACKFRAME_SZ + PT_I6];
#define STORE_PT_GLOBALS(base_reg) \
st %g1, [%base_reg + REGWIN_SZ + PT_G1]; \
std %g2, [%base_reg + REGWIN_SZ + PT_G2]; \
std %g4, [%base_reg + REGWIN_SZ + PT_G4]; \
std %g6, [%base_reg + REGWIN_SZ + PT_G6];
st %g1, [%base_reg + STACKFRAME_SZ + PT_G1]; \
std %g2, [%base_reg + STACKFRAME_SZ + PT_G2]; \
std %g4, [%base_reg + STACKFRAME_SZ + PT_G4]; \
std %g6, [%base_reg + STACKFRAME_SZ + PT_G6];
#define STORE_PT_YREG(base_reg, scratch) \
rd %y, %scratch; \
st %scratch, [%base_reg + REGWIN_SZ + PT_Y];
st %scratch, [%base_reg + STACKFRAME_SZ + PT_Y];
#define STORE_PT_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \
st %pt_psr, [%base_reg + REGWIN_SZ + PT_PSR]; \
st %pt_pc, [%base_reg + REGWIN_SZ + PT_PC]; \
st %pt_npc, [%base_reg + REGWIN_SZ + PT_NPC];
st %pt_psr, [%base_reg + STACKFRAME_SZ + PT_PSR]; \
st %pt_pc, [%base_reg + STACKFRAME_SZ + PT_PC]; \
st %pt_npc, [%base_reg + STACKFRAME_SZ + PT_NPC];
#define STORE_PT_ALL(base_reg, reg_psr, reg_pc, reg_npc, g_scratch) \
STORE_PT_PRIV(base_reg, reg_psr, reg_pc, reg_npc) \
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7