mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-19 02:34:01 +08:00
1fdb24e969
* 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (178 commits) ARM: 7139/1: fix compilation with CONFIG_ARM_ATAG_DTB_COMPAT and large TEXT_OFFSET ARM: gic, local timers: use the request_percpu_irq() interface ARM: gic: consolidate PPI handling ARM: switch from NO_MACH_MEMORY_H to NEED_MACH_MEMORY_H ARM: mach-s5p64x0: remove mach/memory.h ARM: mach-s3c64xx: remove mach/memory.h ARM: plat-mxc: remove mach/memory.h ARM: mach-prima2: remove mach/memory.h ARM: mach-zynq: remove mach/memory.h ARM: mach-bcmring: remove mach/memory.h ARM: mach-davinci: remove mach/memory.h ARM: mach-pxa: remove mach/memory.h ARM: mach-ixp4xx: remove mach/memory.h ARM: mach-h720x: remove mach/memory.h ARM: mach-vt8500: remove mach/memory.h ARM: mach-s5pc100: remove mach/memory.h ARM: mach-tegra: remove mach/memory.h ARM: plat-tcc: remove mach/memory.h ARM: mach-mmp: remove mach/memory.h ARM: mach-cns3xxx: remove mach/memory.h ... Fix up mostly pretty trivial conflicts in: - arch/arm/Kconfig - arch/arm/include/asm/localtimer.h - arch/arm/kernel/Makefile - arch/arm/mach-shmobile/board-ap4evb.c - arch/arm/mach-u300/core.c - arch/arm/mm/dma-mapping.c - arch/arm/mm/proc-v7.S - arch/arm/plat-omap/Kconfig largely due to some CONFIG option renaming (ie CONFIG_PM_SLEEP -> CONFIG_ARM_CPU_SUSPEND for the arm-specific suspend code etc) and addition of NEED_MACH_MEMORY_H next to HAVE_IDE.
180 lines
2.9 KiB
ArmAsm
180 lines
2.9 KiB
ArmAsm
/*
|
|
* linux/arch/arm/kernel/debug.S
|
|
*
|
|
* Copyright (C) 1994-1999 Russell King
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* 32-bit debugging code
|
|
*/
|
|
#include <linux/linkage.h>
|
|
|
|
.text
|
|
|
|
/*
|
|
* Some debugging routines (useful if you've got MM problems and
|
|
* printk isn't working). For DEBUGGING ONLY!!! Do not leave
|
|
* references to these in a production kernel!
|
|
*/
|
|
|
|
#if defined(CONFIG_DEBUG_ICEDCC)
|
|
@@ debug using ARM EmbeddedICE DCC channel
|
|
|
|
.macro addruart, rp, rv, tmp
|
|
.endm
|
|
|
|
#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
|
|
|
|
.macro senduart, rd, rx
|
|
mcr p14, 0, \rd, c0, c5, 0
|
|
.endm
|
|
|
|
.macro busyuart, rd, rx
|
|
1001:
|
|
mrc p14, 0, \rx, c0, c1, 0
|
|
tst \rx, #0x20000000
|
|
beq 1001b
|
|
.endm
|
|
|
|
.macro waituart, rd, rx
|
|
mov \rd, #0x2000000
|
|
1001:
|
|
subs \rd, \rd, #1
|
|
bmi 1002f
|
|
mrc p14, 0, \rx, c0, c1, 0
|
|
tst \rx, #0x20000000
|
|
bne 1001b
|
|
1002:
|
|
.endm
|
|
|
|
#elif defined(CONFIG_CPU_XSCALE)
|
|
|
|
.macro senduart, rd, rx
|
|
mcr p14, 0, \rd, c8, c0, 0
|
|
.endm
|
|
|
|
.macro busyuart, rd, rx
|
|
1001:
|
|
mrc p14, 0, \rx, c14, c0, 0
|
|
tst \rx, #0x10000000
|
|
beq 1001b
|
|
.endm
|
|
|
|
.macro waituart, rd, rx
|
|
mov \rd, #0x10000000
|
|
1001:
|
|
subs \rd, \rd, #1
|
|
bmi 1002f
|
|
mrc p14, 0, \rx, c14, c0, 0
|
|
tst \rx, #0x10000000
|
|
bne 1001b
|
|
1002:
|
|
.endm
|
|
|
|
#else
|
|
|
|
.macro senduart, rd, rx
|
|
mcr p14, 0, \rd, c1, c0, 0
|
|
.endm
|
|
|
|
.macro busyuart, rd, rx
|
|
1001:
|
|
mrc p14, 0, \rx, c0, c0, 0
|
|
tst \rx, #2
|
|
beq 1001b
|
|
|
|
.endm
|
|
|
|
.macro waituart, rd, rx
|
|
mov \rd, #0x2000000
|
|
1001:
|
|
subs \rd, \rd, #1
|
|
bmi 1002f
|
|
mrc p14, 0, \rx, c0, c0, 0
|
|
tst \rx, #2
|
|
bne 1001b
|
|
1002:
|
|
.endm
|
|
|
|
#endif /* CONFIG_CPU_V6 */
|
|
|
|
#else
|
|
#include <mach/debug-macro.S>
|
|
#endif /* CONFIG_DEBUG_ICEDCC */
|
|
|
|
#ifdef CONFIG_MMU
|
|
.macro addruart_current, rx, tmp1, tmp2
|
|
addruart \tmp1, \tmp2, \rx
|
|
mrc p15, 0, \rx, c1, c0
|
|
tst \rx, #1
|
|
moveq \rx, \tmp1
|
|
movne \rx, \tmp2
|
|
.endm
|
|
|
|
#else /* !CONFIG_MMU */
|
|
.macro addruart_current, rx, tmp1, tmp2
|
|
addruart \rx, \tmp1
|
|
.endm
|
|
|
|
#endif /* CONFIG_MMU */
|
|
|
|
/*
|
|
* Useful debugging routines
|
|
*/
|
|
ENTRY(printhex8)
|
|
mov r1, #8
|
|
b printhex
|
|
ENDPROC(printhex8)
|
|
|
|
ENTRY(printhex4)
|
|
mov r1, #4
|
|
b printhex
|
|
ENDPROC(printhex4)
|
|
|
|
ENTRY(printhex2)
|
|
mov r1, #2
|
|
printhex: adr r2, hexbuf
|
|
add r3, r2, r1
|
|
mov r1, #0
|
|
strb r1, [r3]
|
|
1: and r1, r0, #15
|
|
mov r0, r0, lsr #4
|
|
cmp r1, #10
|
|
addlt r1, r1, #'0'
|
|
addge r1, r1, #'a' - 10
|
|
strb r1, [r3, #-1]!
|
|
teq r3, r2
|
|
bne 1b
|
|
mov r0, r2
|
|
b printascii
|
|
ENDPROC(printhex2)
|
|
|
|
hexbuf: .space 16
|
|
|
|
.ltorg
|
|
|
|
ENTRY(printascii)
|
|
addruart_current r3, r1, r2
|
|
b 2f
|
|
1: waituart r2, r3
|
|
senduart r1, r3
|
|
busyuart r2, r3
|
|
teq r1, #'\n'
|
|
moveq r1, #'\r'
|
|
beq 1b
|
|
2: teq r0, #0
|
|
ldrneb r1, [r0], #1
|
|
teqne r1, #0
|
|
bne 1b
|
|
mov pc, lr
|
|
ENDPROC(printascii)
|
|
|
|
ENTRY(printch)
|
|
addruart_current r3, r1, r2
|
|
mov r1, r0
|
|
mov r0, #0
|
|
b 1b
|
|
ENDPROC(printch)
|