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target-ppc: convert exceptions generation to TCG

Browse source 
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5772 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-11-22 10:09:17 +00:00
parent e2eb279809
commit 64adab3fcb
8 changed files with 76 additions and 66 deletions
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48
target-ppc/op_helper.c
View file

@ -46,21 +46,17 @@
/*****************************************************************************/
/* Exceptions processing helpers */
void do_raise_exception_err (uint32_t exception, int error_code)
void helper_raise_exception_err (uint32_t exception, uint32_t error_code)
{
#if 0
printf("Raise exception %3x code : %d\n", exception, error_code);
#endif
env->exception_index = exception;
env->error_code = error_code;
cpu_loop_exit();
raise_exception_err(env, exception, error_code);
}
void do_raise_exception (uint32_t exception)
void helper_raise_debug (void)
{
do_raise_exception_err(exception, 0);
raise_exception(env, EXCP_DEBUG);
}
/*****************************************************************************/
/* Registers load and stores */
target_ulong helper_load_cr (void)
@ -430,7 +426,7 @@ static always_inline uint64_t fload_invalid_op_excp (int op)
/* Update the floating-point enabled exception summary */
env->fpscr |= 1 << FPSCR_FEX;
if (msr_fe0 != 0 || msr_fe1 != 0)
do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op);
raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op);
}
return ret;
}
@ -445,8 +441,8 @@ static always_inline uint64_t float_zero_divide_excp (uint64_t arg1, uint64_t ar
/* Update the floating-point enabled exception summary */
env->fpscr |= 1 << FPSCR_FEX;
if (msr_fe0 != 0 || msr_fe1 != 0) {
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
}
} else {
/* Set the result to infinity */
@ -686,7 +682,7 @@ void helper_float_check_status (void)
(env->error_code & POWERPC_EXCP_FP)) {
/* Differred floating-point exception after target FPR update */
if (msr_fe0 != 0 || msr_fe1 != 0)
do_raise_exception_err(env->exception_index, env->error_code);
raise_exception_err(env, env->exception_index, env->error_code);
} else if (env->fp_status.float_exception_flags & float_flag_overflow) {
float_overflow_excp();
} else if (env->fp_status.float_exception_flags & float_flag_underflow) {
@ -699,7 +695,7 @@ void helper_float_check_status (void)
(env->error_code & POWERPC_EXCP_FP)) {
/* Differred floating-point exception after target FPR update */
if (msr_fe0 != 0 || msr_fe1 != 0)
do_raise_exception_err(env->exception_index, env->error_code);
raise_exception_err(env, env->exception_index, env->error_code);
}
RETURN();
#endif
@ -1356,7 +1352,7 @@ void do_store_msr (void)
T0 = hreg_store_msr(env, T0, 0);
if (T0 != 0) {
env->interrupt_request |= CPU_INTERRUPT_EXITTB;
do_raise_exception(T0);
raise_exception(env, T0);
}
}
@ -1417,7 +1413,7 @@ void do_tw (int flags)
((int32_t)T0 == (int32_t)T1 && (flags & 0x04)) ||
((uint32_t)T0 < (uint32_t)T1 && (flags & 0x02)) ||
((uint32_t)T0 > (uint32_t)T1 && (flags & 0x01))))) {
do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
}
}
@ -1429,7 +1425,7 @@ void do_td (int flags)
((int64_t)T0 == (int64_t)T1 && (flags & 0x04)) ||
((uint64_t)T0 < (uint64_t)T1 && (flags & 0x02)) ||
((uint64_t)T0 > (uint64_t)T1 && (flags & 0x01)))))
do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
}
#endif
@ -1670,14 +1666,14 @@ void do_load_dcr (void)
if (loglevel != 0) {
fprintf(logfile, "No DCR environment\n");
}
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
} else if (unlikely(ppc_dcr_read(env->dcr_env, T0, &val) != 0)) {
if (loglevel != 0) {
fprintf(logfile, "DCR read error %d %03x\n", (int)T0, (int)T0);
}
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
} else {
T0 = val;
}
@ -1689,14 +1685,14 @@ void do_store_dcr (void)
if (loglevel != 0) {
fprintf(logfile, "No DCR environment\n");
}
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
} else if (unlikely(ppc_dcr_write(env->dcr_env, T0, T1) != 0)) {
if (loglevel != 0) {
fprintf(logfile, "DCR write error %d %03x\n", (int)T0, (int)T0);
}
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
}
}
@ -2454,7 +2450,7 @@ void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr)
cpu_restore_state(tb, env, pc, NULL);
}
}
do_raise_exception_err(env->exception_index, env->error_code);
raise_exception_err(env, env->exception_index, env->error_code);
}
env = saved_env;
}