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| author | Paul Mackerras <paulus@samba.org> | 2005-10-10 22:41:25 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-10-10 22:41:25 +1000 |
| commit | 5a408329ed19cf2a80e831d28cbd93d2e36155a6 (patch) | |
| tree | dc5ae749f1da14819ef6947893b0c4f2d9e1ed1c /arch | |
| parent | 4a2885630bc0735e573bced7001dae9750cb80d5 (diff) | |
| download | op-kernel-dev-5a408329ed19cf2a80e831d28cbd93d2e36155a6.zip op-kernel-dev-5a408329ed19cf2a80e831d28cbd93d2e36155a6.tar.gz | |
powerpc: Fix bug caused by negation of 64-bit reloc_offset value
Although both ppc32 and ppc64 have a reloc_offset function, the ppc64
one produced the opposite sign to the ppc32 one. This standardizes
on the ppc32 sign and fixes the merged 64-bit code to account for that.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 20 | ||||
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 2 |
2 files changed, 11 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 7889ff8..3fcac3c 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -1385,7 +1385,7 @@ _STATIC(__boot_from_prom) addi r2,r2,0x4000 /* Relocate the TOC from a virt addr to a real addr */ - sub r2,r2,r3 + add r2,r2,r3 /* Restore parameters */ mr r3,r31 @@ -1424,7 +1424,7 @@ _STATIC(__after_prom_start) li r3,0 /* target addr */ // XXX FIXME: Use phys returned by OF (r30) - sub r4,r27,r26 /* source addr */ + add r4,r27,r26 /* source addr */ /* current address of _start */ /* i.e. where we are running */ /* the source addr */ @@ -1444,7 +1444,7 @@ _STATIC(__after_prom_start) bctr 4: LOADADDR(r5,klimit) - sub r5,r5,r26 + add r5,r5,r26 ld r5,0(r5) /* get the value of klimit */ sub r5,r5,r27 bl .copy_and_flush /* copy the rest */ @@ -1703,7 +1703,7 @@ _STATIC(start_here_multiplatform) /* kernel but are still running in real mode. */ LOADADDR(r3,init_thread_union) - sub r3,r3,r26 + add r3,r3,r26 /* set up a stack pointer (physical address) */ addi r1,r3,THREAD_SIZE @@ -1714,12 +1714,12 @@ _STATIC(start_here_multiplatform) LOADADDR(r2,__toc_start) addi r2,r2,0x4000 addi r2,r2,0x4000 - sub r2,r2,r26 + add r2,r2,r26 LOADADDR(r3,cpu_specs) - sub r3,r3,r26 + add r3,r3,r26 LOADADDR(r4,cur_cpu_spec) - sub r4,r4,r26 + add r4,r4,r26 mr r5,r26 bl .identify_cpu @@ -1735,13 +1735,13 @@ _STATIC(start_here_multiplatform) * code */ LOADADDR(r27, boot_cpuid) - sub r27,r27,r26 + add r27,r27,r26 lwz r27,0(r27) LOADADDR(r24, paca) /* Get base vaddr of paca array */ mulli r13,r27,PACA_SIZE /* Calculate vaddr of right paca */ add r13,r13,r24 /* for this processor. */ - sub r13,r13,r26 /* convert to physical addr */ + add r13,r13,r26 /* convert to physical addr */ mtspr SPRN_SPRG3,r13 /* PPPBBB: Temp... -Peter */ /* Do very early kernel initializations, including initial hash table, @@ -1781,7 +1781,7 @@ _STATIC(start_here_multiplatform) andi. r3,r3,PLATFORM_LPAR bne 98f /* branch if result is !0 */ LOADADDR(r6,_SDR1) /* Only if NOT LPAR */ - sub r6,r6,r26 + add r6,r6,r26 ld r6,0(r6) /* get the value of _SDR1 */ mtspr SPRN_SDR1,r6 /* set the htab location */ 98: diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 75b487f..75dc7f3 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2019,7 +2019,7 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, * On pSeries and BPA, copy the CPU hold code */ if (RELOC(of_platform) & (PLATFORM_PSERIES | PLATFORM_BPA)) - copy_and_flush(0, KERNELBASE - offset, 0x100, 0); + copy_and_flush(0, KERNELBASE + offset, 0x100, 0); #endif /* |
