diff options
Diffstat (limited to 'tcg/ppc/tcg-target.c')
| -rw-r--r-- | tcg/ppc/tcg-target.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c index 7684aa46b8..021c89f684 100644 --- a/tcg/ppc/tcg-target.c +++ b/tcg/ppc/tcg-target.c @@ -27,6 +27,9 @@ static uint8_t *tb_ret_addr; #ifdef __APPLE__ #define LINKAGE_AREA_SIZE 24 #define LR_OFFSET 8 +#elif defined _AIX +#define LINKAGE_AREA_SIZE 52 +#define LR_OFFSET 8 #else #define LINKAGE_AREA_SIZE 8 #define LR_OFFSET 4 @@ -137,6 +140,9 @@ static const int tcg_target_callee_save_regs[] = { TCG_REG_R11, TCG_REG_R13, #endif +#ifdef _AIX + TCG_REG_R13, +#endif TCG_REG_R14, TCG_REG_R15, TCG_REG_R16, @@ -455,6 +461,24 @@ static void tcg_out_b (TCGContext *s, int mask, tcg_target_long target) } } +#ifdef _AIX +static void tcg_out_call (TCGContext *s, tcg_target_long arg, int const_arg) +{ + int reg; + + if (const_arg) { + reg = 2; + tcg_out_movi (s, TCG_TYPE_I32, reg, arg); + } + else reg = arg; + + tcg_out32 (s, LWZ | RT (0) | RA (reg)); + tcg_out32 (s, MTSPR | RA (0) | CTR); + tcg_out32 (s, LWZ | RT (2) | RA (reg) | 4); + tcg_out32 (s, BCCTR | BO_ALWAYS | LK); +} +#endif + #if defined(CONFIG_SOFTMMU) #include "../../softmmu_defs.h" @@ -548,7 +572,11 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc) tcg_out_movi (s, TCG_TYPE_I32, 5, mem_index); #endif +#ifdef _AIX + tcg_out_call (s, (tcg_target_long) qemu_ld_helpers[s_bits], 1); +#else tcg_out_b (s, LK, (tcg_target_long) qemu_ld_helpers[s_bits]); +#endif switch (opc) { case 0|4: tcg_out32 (s, EXTSB | RA (data_reg) | RS (3)); @@ -766,7 +794,11 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc) ir++; tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index); +#ifdef _AIX + tcg_out_call (s, (tcg_target_long) qemu_st_helpers[opc], 1); +#else tcg_out_b (s, LK, (tcg_target_long) qemu_st_helpers[opc]); +#endif label2_ptr = s->code_ptr; tcg_out32 (s, B); @@ -836,6 +868,16 @@ void tcg_target_qemu_prologue (TCGContext *s) ; frame_size = (frame_size + 15) & ~15; +#ifdef _AIX + { + uint32_t addr; + + /* First emit adhoc function descriptor */ + addr = (uint32_t) s->code_ptr + 12; + tcg_out32 (s, addr); /* entry point */ + s->code_ptr += 8; /* skip TOC and environment pointer */ + } +#endif tcg_out32 (s, MFSPR | RT (0) | LR); tcg_out32 (s, STWU | RS (1) | RA (1) | (-frame_size & 0xffff)); for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i) @@ -1106,6 +1148,9 @@ static void tcg_out_op(TCGContext *s, int opc, const TCGArg *args, } break; case INDEX_op_call: +#ifdef _AIX + tcg_out_call (s, args[0], const_args[0]); +#else if (const_args[0]) { tcg_out_b (s, LK, args[0]); } @@ -1113,6 +1158,7 @@ static void tcg_out_op(TCGContext *s, int opc, const TCGArg *args, tcg_out32 (s, MTSPR | RS (args[0]) | LR); tcg_out32 (s, BCLR | BO_ALWAYS | LK); } +#endif break; case INDEX_op_jmp: if (const_args[0]) { |