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ARM lzma bug in cacheflush

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This commit is contained in:
John Reiser
2006-07-23 07:19:35 -07:00
parent 2f6ce88e28
commit 1993e94e53
3 changed files with 1880 additions and 1881 deletions
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src/stub/arm-linux.elf-entry.h
+1877 -1877
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File diff suppressed because it is too large Load Diff
src/stub/src/arch/arm/v4a/lzma_d.S
+2 -2
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@@ -112,13 +112,13 @@
#define __NR_SYSCALL_BASE 0x900000 #define __NR_SYSCALL_BASE 0x900000
#define __ARM_NR_BASE (__NR_SYSCALL_BASE+0x0f0000) #define __ARM_NR_BASE (__NR_SYSCALL_BASE+0x0f0000)
#define __ARM_NR_cacheflush (__ARM_NR_BASE+2) #define __ARM_NR_cacheflush (__ARM_NR_BASE+2)
mov r4,r0 // save result value mov r3,r0 // save result value
POP {r0,r1} // dst, ldst POP {r0,r1} // dst, ldst
ldr r1,[r1] // ldst by reference ldr r1,[r1] // ldst by reference
add r1,r1,r0 // just beyond what was written add r1,r1,r0 // just beyond what was written
mov r2,#0 mov r2,#0
swi __ARM_NR_cacheflush // decompressed region swi __ARM_NR_cacheflush // decompressed region
mov r0,r4 // result value mov r0,r3 // result value
#endif /*}*/ #endif /*}*/
POP {fp,pc} POP {fp,pc}
src/stub/src/arm-linux.elf-entry.S
+1 -2
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@@ -111,8 +111,7 @@ copy:
str r3,[sp,#2*4] // sz_unc; lzma needs for EOF str r3,[sp,#2*4] // sz_unc; lzma needs for EOF
add r3, sp,#2*4 // &sz_unc add r3, sp,#2*4 // &sz_unc
mov lr,pc; mov pc,r5 // decompress folded code [opcode 'bx' not in v4a] mov lr,pc; mov pc,r5 // decompress folded code [opcode 'bx' not in v4a]
add sp,sp,#4 // discard 5th param ldmia sp!,{r1, pc} // discard 5th param; return
ldmia sp!,{pc}
f_decompress: f_decompress:
#define LINUX_ARM_CACHEFLUSH 1 #define LINUX_ARM_CACHEFLUSH 1