diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/kernel/debug.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/kernel/debug.S | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/ANDROID_3.4.5/arch/arm/kernel/debug.S b/ANDROID_3.4.5/arch/arm/kernel/debug.S deleted file mode 100644 index c45522c3..00000000 --- a/ANDROID_3.4.5/arch/arm/kernel/debug.S +++ /dev/null @@ -1,203 +0,0 @@ -/* - * 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> -#include <asm/assembler.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 */ - -#elif !defined(CONFIG_DEBUG_SEMIHOSTING) -#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 - -#ifndef CONFIG_DEBUG_SEMIHOSTING - -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) - -#else - -ENTRY(printascii) - mov r1, r0 - mov r0, #0x04 @ SYS_WRITE0 - ARM( svc #0x123456 ) - THUMB( svc #0xab ) - mov pc, lr -ENDPROC(printascii) - -ENTRY(printch) - adr r1, hexbuf - strb r0, [r1] - mov r0, #0x03 @ SYS_WRITEC - ARM( svc #0x123456 ) - THUMB( svc #0xab ) - mov pc, lr -ENDPROC(printch) - -#endif |