diff options
author | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-11 05:00:35 -0300 |
---|---|---|
committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-11 05:00:35 -0300 |
commit | 6b852ae04e3aa1adfeac5a62d6ab71870bcc7c5d (patch) | |
tree | cdf94fdf09a6b4abecff647784d82bc1ad1758c5 /target-sh4/op_helper.c | |
parent | 8ed1d2756d3347c2b021748d8c272ff650f57dd0 (diff) | |
parent | f430694188293f99a316bfa375b7cc17d23a06ed (diff) |
Merge commit 'f430694188293f99a316bfa375b7cc17d23a06ed' into upstream-merge
* commit 'f430694188293f99a316bfa375b7cc17d23a06ed': (248 commits)
add pc-1.3 machine type
Cleanup unused global var qemu_system_powerdown
target-sparc: use notifier for signaling guest system_powerdown command
target-arm: use notifier for signaling guest system_powerdown command
acpi: use notifier for signaling guest system_powerdown command
Introduce powerdown_notifiers
tcg/i386: fix build with -march < i686
tcg: Streamline movcond_i64 using movcond_i32
tcg: Streamline movcond_i64 using 32-bit arithmetic
tcg: Sanity check goto_tb input
tcg: Sanity check deposit inputs
tcg: Add tcg_debug_assert
tcg: Implement concat*_i64 with deposit_i64
tcg: Emit XORI as NOT for appropriate constants
tcg: Optimize initial inputs for ori_i64
tcg: Emit ANDI as EXTU for appropriate constants
tcg: Adjust descriptions of *cond opcodes
tcg/mips: fix MIPS32(R2) detection
block: remove keep_read_only flag from BlockDriverState struct
block: convert bdrv_commit() to use bdrv_reopen()
...
Conflicts:
hw/pc_piix.c
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'target-sh4/op_helper.c')
-rw-r--r-- | target-sh4/op_helper.c | 123 |
1 files changed, 14 insertions, 109 deletions
diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c index 9b4328de3..60ec4cbc4 100644 --- a/target-sh4/op_helper.c +++ b/target-sh4/op_helper.c @@ -21,7 +21,8 @@ #include "cpu.h" #include "helper.h" -static void cpu_restore_state_from_retaddr(CPUSH4State *env, uintptr_t retaddr) +static inline void cpu_restore_state_from_retaddr(CPUSH4State *env, + uintptr_t retaddr) { TranslationBlock *tb; @@ -77,8 +78,8 @@ void helper_ldtlb(CPUSH4State *env) #endif } -static inline void raise_exception(CPUSH4State *env, int index, - uintptr_t retaddr) +static inline void QEMU_NORETURN raise_exception(CPUSH4State *env, int index, + uintptr_t retaddr) { env->exception_index = index; cpu_restore_state_from_retaddr(env, retaddr); @@ -87,43 +88,40 @@ static inline void raise_exception(CPUSH4State *env, int index, void helper_raise_illegal_instruction(CPUSH4State *env) { - raise_exception(env, 0x180, GETPC()); + raise_exception(env, 0x180, 0); } void helper_raise_slot_illegal_instruction(CPUSH4State *env) { - raise_exception(env, 0x1a0, GETPC()); + raise_exception(env, 0x1a0, 0); } void helper_raise_fpu_disable(CPUSH4State *env) { - raise_exception(env, 0x800, GETPC()); + raise_exception(env, 0x800, 0); } void helper_raise_slot_fpu_disable(CPUSH4State *env) { - raise_exception(env, 0x820, GETPC()); + raise_exception(env, 0x820, 0); } void helper_debug(CPUSH4State *env) { - env->exception_index = EXCP_DEBUG; - cpu_loop_exit(env); + raise_exception(env, EXCP_DEBUG, 0); } -void helper_sleep(CPUSH4State *env, uint32_t next_pc) +void helper_sleep(CPUSH4State *env) { env->halted = 1; env->in_sleep = 1; - env->exception_index = EXCP_HLT; - env->pc = next_pc; - cpu_loop_exit(env); + raise_exception(env, EXCP_HLT, 0); } void helper_trapa(CPUSH4State *env, uint32_t tra) { env->tra = tra << 2; - raise_exception(env, 0x160, GETPC()); + raise_exception(env, 0x160, 0); } void helper_movcal(CPUSH4State *env, uint32_t address, uint32_t value) @@ -177,51 +175,6 @@ void helper_ocbi(CPUSH4State *env, uint32_t address) } } -uint32_t helper_addc(CPUSH4State *env, uint32_t arg0, uint32_t arg1) -{ - uint32_t tmp0, tmp1; - - tmp1 = arg0 + arg1; - tmp0 = arg1; - arg1 = tmp1 + (env->sr & 1); - if (tmp0 > tmp1) - env->sr |= SR_T; - else - env->sr &= ~SR_T; - if (tmp1 > arg1) - env->sr |= SR_T; - return arg1; -} - -uint32_t helper_addv(CPUSH4State *env, uint32_t arg0, uint32_t arg1) -{ - uint32_t dest, src, ans; - - if ((int32_t) arg1 >= 0) - dest = 0; - else - dest = 1; - if ((int32_t) arg0 >= 0) - src = 0; - else - src = 1; - src += dest; - arg1 += arg0; - if ((int32_t) arg1 >= 0) - ans = 0; - else - ans = 1; - ans += dest; - if (src == 0 || src == 2) { - if (ans == 1) - env->sr |= SR_T; - else - env->sr &= ~SR_T; - } else - env->sr &= ~SR_T; - return arg1; -} - #define T (env->sr & SR_T) #define Q (env->sr & SR_Q ? 1 : 0) #define M (env->sr & SR_M ? 1 : 0) @@ -375,51 +328,6 @@ void helper_macw(CPUSH4State *env, uint32_t arg0, uint32_t arg1) } } -uint32_t helper_subc(CPUSH4State *env, uint32_t arg0, uint32_t arg1) -{ - uint32_t tmp0, tmp1; - - tmp1 = arg1 - arg0; - tmp0 = arg1; - arg1 = tmp1 - (env->sr & SR_T); - if (tmp0 < tmp1) - env->sr |= SR_T; - else - env->sr &= ~SR_T; - if (tmp1 < arg1) - env->sr |= SR_T; - return arg1; -} - -uint32_t helper_subv(CPUSH4State *env, uint32_t arg0, uint32_t arg1) -{ - int32_t dest, src, ans; - - if ((int32_t) arg1 >= 0) - dest = 0; - else - dest = 1; - if ((int32_t) arg0 >= 0) - src = 0; - else - src = 1; - src += dest; - arg1 -= arg0; - if ((int32_t) arg1 >= 0) - ans = 0; - else - ans = 1; - ans += dest; - if (src == 1) { - if (ans == 1) - env->sr |= SR_T; - else - env->sr &= ~SR_T; - } else - env->sr &= ~SR_T; - return arg1; -} - static inline void set_t(CPUSH4State *env) { env->sr |= SR_T; @@ -475,9 +383,7 @@ static void update_fpscr(CPUSH4State *env, uintptr_t retaddr) cause = (env->fpscr & FPSCR_CAUSE_MASK) >> FPSCR_CAUSE_SHIFT; enable = (env->fpscr & FPSCR_ENABLE_MASK) >> FPSCR_ENABLE_SHIFT; if (cause & enable) { - cpu_restore_state_from_retaddr(env, retaddr); - env->exception_index = 0x120; - cpu_loop_exit(env); + raise_exception(env, 0x120, retaddr); } } } @@ -623,8 +529,7 @@ float64 helper_float_DT(CPUSH4State *env, uint32_t t0) float32 helper_fmac_FT(CPUSH4State *env, float32 t0, float32 t1, float32 t2) { set_float_exception_flags(0, &env->fp_status); - t0 = float32_mul(t0, t1, &env->fp_status); - t0 = float32_add(t0, t2, &env->fp_status); + t0 = float32_muladd(t0, t1, t2, 0, &env->fp_status); update_fpscr(env, GETPC()); return t0; } |