diff options
| -rw-r--r-- | include/exec/exec-all.h | 4 | ||||
| -rw-r--r-- | tcg/ppc/tcg-target.c | 41 |
2 files changed, 21 insertions, 24 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 77242e2..dc27f33 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -324,9 +324,7 @@ extern uintptr_t tci_tb_ptr; In some implementations, we pass the "logical" return address manually; in others, we must infer the logical return from the true return. */ #if defined(CONFIG_QEMU_LDST_OPTIMIZATION) && defined(CONFIG_SOFTMMU) -# if defined (_ARCH_PPC) && !defined (_ARCH_PPC64) -# define GETRA_LDST(RA) (*(int32_t *)((RA) - 4)) -# elif defined(__arm__) +# if defined(__arm__) /* We define two insns between the return address and the branch back to straight-line. Find and decode that branch insn. */ # define GETRA_LDST(RA) tcg_getra_ldst(RA) diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c index 204ffbe..24a8621 100644 --- a/tcg/ppc/tcg-target.c +++ b/tcg/ppc/tcg-target.c @@ -550,22 +550,24 @@ static void add_qemu_ldst_label (TCGContext *s, label->label_ptr[0] = label_ptr; } -/* helper signature: helper_ld_mmu(CPUState *env, target_ulong addr, - int mmu_idx) */ +/* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr, + * int mmu_idx, uintptr_t ra) + */ static const void * const qemu_ld_helpers[4] = { - helper_ldb_mmu, - helper_ldw_mmu, - helper_ldl_mmu, - helper_ldq_mmu, + helper_ret_ldub_mmu, + helper_ret_lduw_mmu, + helper_ret_ldul_mmu, + helper_ret_ldq_mmu, }; -/* helper signature: helper_st_mmu(CPUState *env, target_ulong addr, - uintxx_t val, int mmu_idx) */ +/* helper signature: helper_ret_st_mmu(CPUState *env, target_ulong addr, + * uintxx_t val, int mmu_idx, uintptr_t ra) + */ static const void * const qemu_st_helpers[4] = { - helper_stb_mmu, - helper_stw_mmu, - helper_stl_mmu, - helper_stq_mmu, + helper_ret_stb_mmu, + helper_ret_stw_mmu, + helper_ret_stl_mmu, + helper_ret_stq_mmu, }; static void *ld_trampolines[4]; @@ -860,9 +862,9 @@ static void tcg_out_qemu_ld_slow_path (TCGContext *s, TCGLabelQemuLdst *label) tcg_out_mov (s, TCG_TYPE_I32, ir++, label->addrhi_reg); tcg_out_mov (s, TCG_TYPE_I32, ir++, addr_reg); #endif - tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index); + tcg_out_movi (s, TCG_TYPE_I32, ir++, mem_index); + tcg_out_movi (s, TCG_TYPE_I32, ir, (tcg_target_long) raddr); tcg_out_b (s, LK, (tcg_target_long) ld_trampolines[s_bits]); - tcg_out32 (s, (tcg_target_long) raddr); switch (opc) { case 0|4: tcg_out32 (s, EXTSB | RA (data_reg) | RS (3)); @@ -954,10 +956,10 @@ static void tcg_out_qemu_st_slow_path (TCGContext *s, TCGLabelQemuLdst *label) } ir++; - tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index); - tcg_out_b (s, LK, (tcg_target_long) st_trampolines[opc]); - tcg_out32 (s, (tcg_target_long) raddr); - tcg_out_b (s, 0, (tcg_target_long) raddr); + tcg_out_movi (s, TCG_TYPE_I32, ir++, mem_index); + tcg_out_movi (s, TCG_TYPE_I32, ir, (tcg_target_long) raddr); + tcg_out32 (s, MTSPR | RS (ir) | LR); + tcg_out_b (s, 0, (tcg_target_long) st_trampolines[opc]); } void tcg_out_tb_finalize(TCGContext *s) @@ -981,9 +983,6 @@ void tcg_out_tb_finalize(TCGContext *s) #ifdef CONFIG_SOFTMMU static void emit_ldst_trampoline (TCGContext *s, const void *ptr) { - tcg_out32 (s, MFSPR | RT (3) | LR); - tcg_out32 (s, ADDI | RT (3) | RA (3) | 4); - tcg_out32 (s, MTSPR | RS (3) | LR); tcg_out_mov (s, TCG_TYPE_I32, 3, TCG_AREG0); tcg_out_call (s, (tcg_target_long) ptr, 1, 0); } |