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author | malc <malc@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-08-03 19:04:07 +0000 |
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committer | malc <malc@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-08-03 19:04:07 +0000 |
commit | f9bf298717ef9ac3b0ebf2924f4fdd8d56d258f1 (patch) | |
tree | 20c91220aeff4941a23ee9bf8475229a904789e7 /tcg/ppc | |
parent | 60e26a9167ab3bca18f4204616ad30082a6ea389 (diff) | |
download | hqemu-f9bf298717ef9ac3b0ebf2924f4fdd8d56d258f1.zip hqemu-f9bf298717ef9ac3b0ebf2924f4fdd8d56d258f1.tar.gz |
Preliminary MacOS X on PPC32 support
Big thanks to BlueSwirl for Sparc failure analysis.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4984 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'tcg/ppc')
-rw-r--r-- | tcg/ppc/tcg-target.c | 45 | ||||
-rw-r--r-- | tcg/ppc/tcg-target.h | 6 |
2 files changed, 41 insertions, 10 deletions
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c index 218e4bc..d6e9c5f 100644 --- a/tcg/ppc/tcg-target.c +++ b/tcg/ppc/tcg-target.c @@ -24,6 +24,14 @@ static uint8_t *tb_ret_addr; +#ifdef __APPLE__ +#define LINKAGE_AREA_SIZE 12 +#define BACK_CHAIN_OFFSET 8 +#else +#define LINKAGE_AREA_SIZE 8 +#define BACK_CHAIN_OFFSET 4 +#endif + #define FAST_PATH #if TARGET_PHYS_ADDR_BITS <= 32 #define ADDEND_OFFSET 0 @@ -81,6 +89,9 @@ static const int tcg_target_reg_alloc_order[] = { TCG_REG_R29, TCG_REG_R30, TCG_REG_R31, +#ifdef __APPLE__ + TCG_REG_R2, +#endif TCG_REG_R3, TCG_REG_R4, TCG_REG_R5, @@ -89,7 +100,9 @@ static const int tcg_target_reg_alloc_order[] = { TCG_REG_R8, TCG_REG_R9, TCG_REG_R10, +#ifndef __APPLE__ TCG_REG_R11, +#endif TCG_REG_R12, TCG_REG_R13, TCG_REG_R0, @@ -118,6 +131,10 @@ static const int tcg_target_call_oarg_regs[2] = { }; static const int tcg_target_callee_save_regs[] = { +#ifdef __APPLE__ + TCG_REG_R11, + TCG_REG_R13, +#endif TCG_REG_R14, TCG_REG_R15, TCG_REG_R16, @@ -710,7 +727,11 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc) #else tcg_out_mov (s, 3, addr_reg2); tcg_out_mov (s, 4, addr_reg); +#ifdef TCG_TARGET_CALL_ALIGN_ARGS ir = 5; +#else + ir = 4; +#endif #endif switch (opc) { @@ -734,9 +755,11 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc) tcg_out_mov (s, ir, data_reg); break; case 3: - tcg_out_mov (s, 5, data_reg2); - tcg_out_mov (s, 6, data_reg); - ir = 6; +#ifdef TCG_TARGET_CALL_ALIGN_ARGS + ir = 5; +#endif + tcg_out_mov (s, ir++, data_reg2); + tcg_out_mov (s, ir, data_reg); break; } ir++; @@ -806,8 +829,7 @@ void tcg_target_qemu_prologue (TCGContext *s) int i, frame_size; frame_size = 0 - + 4 /* back chain */ - + 4 /* LR */ + + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE + ARRAY_SIZE (tcg_target_callee_save_regs) * 4 ; @@ -819,10 +841,10 @@ void tcg_target_qemu_prologue (TCGContext *s) tcg_out32 (s, (STW | RS (tcg_target_callee_save_regs[i]) | RA (1) - | (i * 4 + 8 + TCG_STATIC_CALL_ARGS_SIZE) + | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE) ) ); - tcg_out32 (s, STW | RS (0) | RA (1) | (frame_size + 4)); + tcg_out32 (s, STW | RS (0) | RA (1) | (frame_size + BACK_CHAIN_OFFSET)); tcg_out32 (s, MTSPR | RS (3) | CTR); tcg_out32 (s, BCCTR | BO_ALWAYS); @@ -832,10 +854,10 @@ void tcg_target_qemu_prologue (TCGContext *s) tcg_out32 (s, (LWZ | RT (tcg_target_callee_save_regs[i]) | RA (1) - | (i * 4 + 8 + TCG_STATIC_CALL_ARGS_SIZE) + | (i * 4 + LINKAGE_AREA_SIZE + TCG_STATIC_CALL_ARGS_SIZE) ) ); - tcg_out32 (s, LWZ | RT (0) | RA (1) | (frame_size + 4)); + tcg_out32 (s, LWZ | RT (0) | RA (1) | (frame_size + BACK_CHAIN_OFFSET)); tcg_out32 (s, MTSPR | RS (0) | LR); tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size); tcg_out32 (s, BCLR | BO_ALWAYS); @@ -1438,6 +1460,9 @@ void tcg_target_init(TCGContext *s) tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff); tcg_regset_set32(tcg_target_call_clobber_regs, 0, (1 << TCG_REG_R0) | +#ifdef __APPLE__ + (1 << TCG_REG_R2) | +#endif (1 << TCG_REG_R3) | (1 << TCG_REG_R4) | (1 << TCG_REG_R5) | @@ -1453,7 +1478,9 @@ void tcg_target_init(TCGContext *s) tcg_regset_clear(s->reserved_regs); tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0); tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1); +#ifndef __APPLE__ tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2); +#endif tcg_add_target_add_op_defs(ppc_op_defs); } diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h index e21b992..a6544f8 100644 --- a/tcg/ppc/tcg-target.h +++ b/tcg/ppc/tcg-target.h @@ -65,8 +65,12 @@ enum { /* used for function call generation */ #define TCG_REG_CALL_STACK TCG_REG_R1 #define TCG_TARGET_STACK_ALIGN 16 -#define TCG_TARGET_CALL_STACK_OFFSET 8 +#ifdef __APPLE__ +#define TCG_TARGET_CALL_STACK_OFFSET 12 +#else #define TCG_TARGET_CALL_ALIGN_ARGS 1 +#define TCG_TARGET_CALL_STACK_OFFSET 8 +#endif /* optional instructions */ #define TCG_TARGET_HAS_neg_i32 |