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Diffstat (limited to 'target-i386/op_helper.c')
-rw-r--r--target-i386/op_helper.c106
1 files changed, 89 insertions, 17 deletions
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index cec0c7686f..315e18b9a4 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -19,7 +19,6 @@
#include <math.h>
#include "exec.h"
-#include "exec-all.h"
#include "host-utils.h"
#include "ioport.h"
@@ -1000,7 +999,7 @@ void helper_syscall(int next_eip_addend)
{
env->exception_index = EXCP_SYSCALL;
env->exception_next_eip = env->eip + next_eip_addend;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
#else
void helper_syscall(int next_eip_addend)
@@ -1150,9 +1149,10 @@ static void do_interrupt_real(int intno, int is_int, int error_code,
env->eflags &= ~(IF_MASK | TF_MASK | AC_MASK | RF_MASK);
}
+#if defined(CONFIG_USER_ONLY)
/* fake user mode interrupt */
-void do_interrupt_user(int intno, int is_int, int error_code,
- target_ulong next_eip)
+static void do_interrupt_user(int intno, int is_int, int error_code,
+ target_ulong next_eip)
{
SegmentCache *dt;
target_ulong ptr;
@@ -1181,7 +1181,8 @@ void do_interrupt_user(int intno, int is_int, int error_code,
EIP = next_eip;
}
-#if !defined(CONFIG_USER_ONLY)
+#else
+
static void handle_even_inj(int intno, int is_int, int error_code,
int is_hw, int rm)
{
@@ -1207,8 +1208,8 @@ static void handle_even_inj(int intno, int is_int, int error_code,
* the int instruction. next_eip is the EIP value AFTER the interrupt
* instruction. It is only relevant if is_int is TRUE.
*/
-void do_interrupt(int intno, int is_int, int error_code,
- target_ulong next_eip, int is_hw)
+static void do_interrupt_all(int intno, int is_int, int error_code,
+ target_ulong next_eip, int is_hw)
{
if (qemu_loglevel_mask(CPU_LOG_INT)) {
if ((env->cr[0] & CR0_PE_MASK)) {
@@ -1270,6 +1271,46 @@ void do_interrupt(int intno, int is_int, int error_code,
#endif
}
+void do_interrupt(CPUState *env1)
+{
+ CPUState *saved_env;
+
+ saved_env = env;
+ env = env1;
+#if defined(CONFIG_USER_ONLY)
+ /* if user mode only, we simulate a fake exception
+ which will be handled outside the cpu execution
+ loop */
+ do_interrupt_user(env->exception_index,
+ env->exception_is_int,
+ env->error_code,
+ env->exception_next_eip);
+ /* successfully delivered */
+ env->old_exception = -1;
+#else
+ /* simulate a real cpu exception. On i386, it can
+ trigger new exceptions, but we do not handle
+ double or triple faults yet. */
+ do_interrupt_all(env->exception_index,
+ env->exception_is_int,
+ env->error_code,
+ env->exception_next_eip, 0);
+ /* successfully delivered */
+ env->old_exception = -1;
+#endif
+ env = saved_env;
+}
+
+void do_interrupt_x86_hardirq(CPUState *env1, int intno, int is_hw)
+{
+ CPUState *saved_env;
+
+ saved_env = env;
+ env = env1;
+ do_interrupt_all(intno, 0, 0, 0, is_hw);
+ env = saved_env;
+}
+
/* This should come from sysemu.h - if we could include it here... */
void qemu_system_reset_request(void);
@@ -1335,7 +1376,7 @@ static void QEMU_NORETURN raise_interrupt(int intno, int is_int, int error_code,
env->error_code = error_code;
env->exception_is_int = is_int;
env->exception_next_eip = env->eip + next_eip_addend;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
/* shortcuts to generate exceptions */
@@ -1359,7 +1400,7 @@ void raise_exception_env(int exception_index, CPUState *nenv)
#if defined(CONFIG_USER_ONLY)
-void do_smm_enter(void)
+void do_smm_enter(CPUState *env1)
{
}
@@ -1375,11 +1416,15 @@ void helper_rsm(void)
#define SMM_REVISION_ID 0x00020000
#endif
-void do_smm_enter(void)
+void do_smm_enter(CPUState *env1)
{
target_ulong sm_state;
SegmentCache *dt;
int i, offset;
+ CPUState *saved_env;
+
+ saved_env = env;
+ env = env1;
qemu_log_mask(CPU_LOG_INT, "SMM: enter\n");
log_cpu_state_mask(CPU_LOG_INT, env, X86_DUMP_CCOP);
@@ -1506,6 +1551,7 @@ void do_smm_enter(void)
cpu_x86_update_cr4(env, 0);
env->dr[7] = 0x00000400;
CC_OP = CC_OP_EFLAGS;
+ env = saved_env;
}
void helper_rsm(void)
@@ -4658,7 +4704,7 @@ static void do_hlt(void)
env->hflags &= ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before */
env->halted = 1;
env->exception_index = EXCP_HLT;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
void helper_hlt(int next_eip_addend)
@@ -4696,7 +4742,7 @@ void helper_mwait(int next_eip_addend)
void helper_debug(void)
{
env->exception_index = EXCP_DEBUG;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
void helper_reset_rf(void)
@@ -4859,6 +4905,10 @@ void helper_svm_check_intercept_param(uint32_t type, uint64_t param)
{
}
+void svm_check_intercept(CPUState *env1, uint32_t type)
+{
+}
+
void helper_svm_check_io(uint32_t port, uint32_t param,
uint32_t next_eip_addend)
{
@@ -5040,7 +5090,7 @@ void helper_vmrun(int aflag, int next_eip_addend)
env->exception_next_eip = -1;
qemu_log_mask(CPU_LOG_TB_IN_ASM, "INTR");
/* XXX: is it always correct ? */
- do_interrupt(vector, 0, 0, 0, 1);
+ do_interrupt_all(vector, 0, 0, 0, 1);
break;
case SVM_EVTINJ_TYPE_NMI:
env->exception_index = EXCP02_NMI;
@@ -5048,7 +5098,7 @@ void helper_vmrun(int aflag, int next_eip_addend)
env->exception_is_int = 0;
env->exception_next_eip = EIP;
qemu_log_mask(CPU_LOG_TB_IN_ASM, "NMI");
- cpu_loop_exit();
+ cpu_loop_exit(env);
break;
case SVM_EVTINJ_TYPE_EXEPT:
env->exception_index = vector;
@@ -5056,7 +5106,7 @@ void helper_vmrun(int aflag, int next_eip_addend)
env->exception_is_int = 0;
env->exception_next_eip = -1;
qemu_log_mask(CPU_LOG_TB_IN_ASM, "EXEPT");
- cpu_loop_exit();
+ cpu_loop_exit(env);
break;
case SVM_EVTINJ_TYPE_SOFT:
env->exception_index = vector;
@@ -5064,7 +5114,7 @@ void helper_vmrun(int aflag, int next_eip_addend)
env->exception_is_int = 1;
env->exception_next_eip = EIP;
qemu_log_mask(CPU_LOG_TB_IN_ASM, "SOFT");
- cpu_loop_exit();
+ cpu_loop_exit(env);
break;
}
qemu_log_mask(CPU_LOG_TB_IN_ASM, " %#x %#x\n", env->exception_index, env->error_code);
@@ -5249,6 +5299,16 @@ void helper_svm_check_intercept_param(uint32_t type, uint64_t param)
}
}
+void svm_check_intercept(CPUState *env1, uint32_t type)
+{
+ CPUState *saved_env;
+
+ saved_env = env;
+ env = env1;
+ helper_svm_check_intercept_param(type, 0);
+ env = saved_env;
+}
+
void helper_svm_check_io(uint32_t port, uint32_t param,
uint32_t next_eip_addend)
{
@@ -5400,7 +5460,7 @@ void helper_vmexit(uint32_t exit_code, uint64_t exit_info_1)
env->error_code = 0;
env->old_exception = -1;
- cpu_loop_exit();
+ cpu_loop_exit(env);
}
#endif
@@ -5575,6 +5635,18 @@ uint32_t helper_cc_compute_all(int op)
}
}
+uint32_t cpu_cc_compute_all(CPUState *env1, int op)
+{
+ CPUState *saved_env;
+ uint32_t ret;
+
+ saved_env = env;
+ env = env1;
+ ret = helper_cc_compute_all(op);
+ env = saved_env;
+ return ret;
+}
+
uint32_t helper_cc_compute_c(int op)
{
switch (op) {
generated by cgit v1.2.3 (git 2.26.2) at 2025-02-24 21:33:59 +0000