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powerpc: Add r2 to CPU context

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The r2 may be used for thread-local storage.
This commit is contained in:
Sebastian Huber
2013-06-24 15:21:46 +02:00
parent 8dc2e7bd7e
commit 39a4574652
5 changed files with 20 additions and 12 deletions
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2
c/src/lib/libcpu/powerpc/new-exceptions/cpu.c
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@@ -68,6 +68,7 @@ void _CPU_Context_Initialize(
ppc_context *the_ppc_context;
uint32_t msr_value;
uint32_t sp;
register uint32_t gpr2 __asm__("2");
sp = (uint32_t)stack_base + size - PPC_MINIMUM_STACK_FRAME_SIZE;
@@ -127,6 +128,7 @@ void _CPU_Context_Initialize(
the_ppc_context->gpr1 = sp;
the_ppc_context->msr = msr_value;
the_ppc_context->lr = (uint32_t) entry_point;
the_ppc_context->gpr2 = gpr2;
#ifdef __ALTIVEC__
_CPU_Context_initialize_altivec( the_ppc_context );