Commit 7c8a6fc8 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] M68k head comments

From: Geert Uytterhoeven <geert@linux-m68k.org>

M68k: Update some comments (from Roman Zippel)
parent 0aa6f423
......@@ -1250,9 +1250,9 @@ L(mmu_init_mac):
mmu_map #VIDEOMEMBASE,%d0,#VIDEOMEMSIZE,%d3
/* The ROM starts at 4000 0000 */
mmu_map_eq #0x40000000,#0x02000000,%d3
/* IO devices */
/* IO devices (incl. serial port) from 5000 0000 to 5300 0000 */
mmu_map_eq #0x50000000,#0x03000000,%d3
/* NuBus slot space */
/* Nubus slot space (video at 0xF0000000, rom at 0xF0F80000) */
mmu_map_tt #1,#0xf8000000,#0x08000000,%d3
jbra L(mmu_init_done)
......@@ -1891,7 +1891,7 @@ mmu_030_print:
movel %a4,%d5
addil #PAGESIZE<<13,%d5
movel %a0@+,%d6
btst #1,%d6 /* is it a ptr? */
btst #1,%d6 /* is it a table ptr? */
jbne 31f /* yes */
btst #0,%d6 /* is it early terminating? */
jbeq 1f /* no */
......@@ -1908,9 +1908,9 @@ mmu_030_print:
movel %a4,%d5
addil #PAGESIZE<<6,%d5
movel %a1@+,%d6
btst #1,%d6
jbne 33f
btst #0,%d6
btst #1,%d6 /* is it a table ptr? */
jbne 33f /* yes */
btst #0,%d6 /* is it a page descriptor? */
jbeq 1f /* no */
jbsr mmu_030_print_helper
jbra 37f
......@@ -3154,7 +3154,7 @@ func_start serial_putc,%d0/%d1/%a0/%a1
moveml %sp@+,%d0-%d7/%a2-%a6
jbra L(serial_putc_done)
2:
#endif CONFIG_MVME16x
#endif /* CONFIG_MVME16x */
#ifdef CONFIG_BVME6000
is_not_bvme6000(2f)
......@@ -3369,10 +3369,10 @@ L(console_clear_loop):
/*
* At this point we make a shift in register usage
* a1 = address of Lconsole_font pointer
* a1 = address of console_font pointer
*/
lea %pc@(L(console_font)),%a1
movel %a0,%a1@ /* store pointer to struct font_desc in Lconsole_font */
movel %a0,%a1@ /* store pointer to struct fbcon_font_desc in console_font */
tstl %a0
jeq 1f
......@@ -3383,10 +3383,10 @@ L(console_clear_loop):
* 6 x 11 also supported
*/
/* ASSERT: a0 = contents of Lconsole_font */
movel %d3,%d0 /* screen width in pixels */
divul %a0@(FONT_DESC_WIDTH),%d0 /* d0 = max num chars per row */
movel %d3,%d0 /* screen width in pixels */
divul %a0@(FONT_DESC_WIDTH),%d0 /* d0 = max num chars per row */
movel %d4,%d1 /* screen height in pixels */
movel %d4,%d1 /* screen height in pixels */
divul %a0@(FONT_DESC_HEIGHT),%d1 /* d1 = max num rows */
movel %d0,%a2@(Lconsole_struct_num_columns)
......
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