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-rw-r--r--linux-user/elfload.c2
-rw-r--r--linux-user/main.c18
-rw-r--r--linux-user/openrisc/target_cpu.h6
-rw-r--r--linux-user/openrisc/target_signal.h2
-rw-r--r--linux-user/signal.c17
-rw-r--r--target/openrisc/cpu.c4
-rw-r--r--target/openrisc/cpu.h15
-rw-r--r--target/openrisc/gdbstub.c4
-rw-r--r--target/openrisc/machine.c6
-rw-r--r--target/openrisc/sys_helper.c9
-rw-r--r--target/openrisc/translate.c5
11 files changed, 56 insertions, 32 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index f520d7723c..ce77317e09 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1052,7 +1052,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
int i;
for (i = 0; i < 32; i++) {
- (*regs)[i] = tswapreg(env->gpr[i]);
+ (*regs)[i] = tswapreg(cpu_get_gpr(env, i));
}
(*regs)[32] = tswapreg(env->pc);
(*regs)[33] = tswapreg(cpu_get_sr(env));
diff --git a/linux-user/main.c b/linux-user/main.c
index 10a3bb3a12..79d621b872 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -2590,17 +2590,17 @@ void cpu_loop(CPUOpenRISCState *env)
case EXCP_SYSCALL:
env->pc += 4; /* 0xc00; */
ret = do_syscall(env,
- env->gpr[11], /* return value */
- env->gpr[3], /* r3 - r7 are params */
- env->gpr[4],
- env->gpr[5],
- env->gpr[6],
- env->gpr[7],
- env->gpr[8], 0, 0);
+ cpu_get_gpr(env, 11), /* return value */
+ cpu_get_gpr(env, 3), /* r3 - r7 are params */
+ cpu_get_gpr(env, 4),
+ cpu_get_gpr(env, 5),
+ cpu_get_gpr(env, 6),
+ cpu_get_gpr(env, 7),
+ cpu_get_gpr(env, 8), 0, 0);
if (ret == -TARGET_ERESTARTSYS) {
env->pc -= 4;
} else if (ret != -TARGET_QEMU_ESIGRETURN) {
- env->gpr[11] = ret;
+ cpu_set_gpr(env, 11, ret);
}
break;
case EXCP_DPF:
@@ -4765,7 +4765,7 @@ int main(int argc, char **argv, char **envp)
int i;
for (i = 0; i < 32; i++) {
- env->gpr[i] = regs->gpr[i];
+ cpu_set_gpr(env, i, regs->gpr[i]);
}
env->pc = regs->pc;
cpu_set_sr(env, regs->sr);
diff --git a/linux-user/openrisc/target_cpu.h b/linux-user/openrisc/target_cpu.h
index f283d96a93..606ad6f695 100644
--- a/linux-user/openrisc/target_cpu.h
+++ b/linux-user/openrisc/target_cpu.h
@@ -23,14 +23,14 @@
static inline void cpu_clone_regs(CPUOpenRISCState *env, target_ulong newsp)
{
if (newsp) {
- env->gpr[1] = newsp;
+ cpu_set_gpr(env, 1, newsp);
}
- env->gpr[11] = 0;
+ cpu_set_gpr(env, 11, 0);
}
static inline void cpu_set_tls(CPUOpenRISCState *env, target_ulong newtls)
{
- env->gpr[10] = newtls;
+ cpu_set_gpr(env, 10, newtls);
}
#endif
diff --git a/linux-user/openrisc/target_signal.h b/linux-user/openrisc/target_signal.h
index 9f2c493f79..95a733e15a 100644
--- a/linux-user/openrisc/target_signal.h
+++ b/linux-user/openrisc/target_signal.h
@@ -20,7 +20,7 @@ typedef struct target_sigaltstack {
static inline abi_ulong get_sp_from_cpustate(CPUOpenRISCState *state)
{
- return state->gpr[1];
+ return cpu_get_gpr(state, 1);
}
diff --git a/linux-user/signal.c b/linux-user/signal.c
index a67db04e1a..3d18d1b3ee 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -4411,7 +4411,7 @@ static void setup_sigcontext(struct target_sigcontext *sc,
CPUOpenRISCState *regs,
unsigned long mask)
{
- unsigned long usp = regs->gpr[1];
+ unsigned long usp = cpu_get_gpr(regs, 1);
/* copy the regs. they are first in sc so we can use sc directly */
@@ -4436,7 +4436,7 @@ static inline abi_ulong get_sigframe(struct target_sigaction *ka,
CPUOpenRISCState *regs,
size_t frame_size)
{
- unsigned long sp = regs->gpr[1];
+ unsigned long sp = cpu_get_gpr(regs, 1);
int onsigstack = on_sig_stack(sp);
/* redzone */
@@ -4489,7 +4489,8 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
__put_user(0, &frame->uc.tuc_link);
__put_user(target_sigaltstack_used.ss_sp,
&frame->uc.tuc_stack.ss_sp);
- __put_user(sas_ss_flags(env->gpr[1]), &frame->uc.tuc_stack.ss_flags);
+ __put_user(sas_ss_flags(cpu_get_gpr(env, 1)),
+ &frame->uc.tuc_stack.ss_flags);
__put_user(target_sigaltstack_used.ss_size,
&frame->uc.tuc_stack.ss_size);
setup_sigcontext(&frame->sc, env, set->sig[0]);
@@ -4512,13 +4513,13 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
/* Set up registers for signal handler */
env->pc = (unsigned long)ka->_sa_handler; /* what we enter NOW */
- env->gpr[9] = (unsigned long)return_ip; /* what we enter LATER */
- env->gpr[3] = (unsigned long)sig; /* arg 1: signo */
- env->gpr[4] = (unsigned long)&frame->info; /* arg 2: (siginfo_t*) */
- env->gpr[5] = (unsigned long)&frame->uc; /* arg 3: ucontext */
+ cpu_set_gpr(env, 9, (unsigned long)return_ip); /* what we enter LATER */
+ cpu_set_gpr(env, 3, (unsigned long)sig); /* arg 1: signo */
+ cpu_set_gpr(env, 4, (unsigned long)&frame->info); /* arg 2: (siginfo_t*) */
+ cpu_set_gpr(env, 5, (unsigned long)&frame->uc); /* arg 3: ucontext */
/* actually move the usp to reflect the stacked frame */
- env->gpr[1] = (unsigned long)frame;
+ cpu_set_gpr(env, 1, (unsigned long)frame);
return;
diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c
index 1524ed981a..6c1ed07c16 100644
--- a/target/openrisc/cpu.c
+++ b/target/openrisc/cpu.c
@@ -52,7 +52,7 @@ static void openrisc_cpu_reset(CPUState *s)
s->exception_index = -1;
cpu->env.upr = UPR_UP | UPR_DMP | UPR_IMP | UPR_PICP | UPR_TTP;
- cpu->env.cpucfgr = CPUCFGR_OB32S | CPUCFGR_OF32S;
+ cpu->env.cpucfgr = CPUCFGR_OB32S | CPUCFGR_OF32S | CPUCFGR_NSGF;
cpu->env.dmmucfgr = (DMMUCFGR_NTW & (0 << 2)) | (DMMUCFGR_NTS & (6 << 2));
cpu->env.immucfgr = (IMMUCFGR_NTW & (0 << 2)) | (IMMUCFGR_NTS & (6 << 2));
@@ -132,6 +132,7 @@ static void or1200_initfn(Object *obj)
{
OpenRISCCPU *cpu = OPENRISC_CPU(obj);
+ set_feature(cpu, OPENRISC_FEATURE_NSGF);
set_feature(cpu, OPENRISC_FEATURE_OB32S);
set_feature(cpu, OPENRISC_FEATURE_OF32S);
set_feature(cpu, OPENRISC_FEATURE_EVBAR);
@@ -141,6 +142,7 @@ static void openrisc_any_initfn(Object *obj)
{
OpenRISCCPU *cpu = OPENRISC_CPU(obj);
+ set_feature(cpu, OPENRISC_FEATURE_NSGF);
set_feature(cpu, OPENRISC_FEATURE_OB32S);
set_feature(cpu, OPENRISC_FEATURE_EVBAR);
}
diff --git a/target/openrisc/cpu.h b/target/openrisc/cpu.h
index 1958b72718..e159b226a4 100644
--- a/target/openrisc/cpu.h
+++ b/target/openrisc/cpu.h
@@ -275,7 +275,8 @@ typedef struct CPUOpenRISCTLBContext {
#endif
typedef struct CPUOpenRISCState {
- target_ulong gpr[32]; /* General registers */
+ target_ulong shadow_gpr[16][32]; /* Shadow registers */
+
target_ulong pc; /* Program counter */
target_ulong ppc; /* Prev PC */
target_ulong jmp_pc; /* Jump PC */
@@ -399,6 +400,16 @@ int cpu_openrisc_get_phys_data(OpenRISCCPU *cpu,
#define TB_FLAGS_R0_0 2
#define TB_FLAGS_OVE SR_OVE
+static inline uint32_t cpu_get_gpr(const CPUOpenRISCState *env, int i)
+{
+ return env->shadow_gpr[0][i];
+}
+
+static inline void cpu_set_gpr(CPUOpenRISCState *env, int i, uint32_t val)
+{
+ env->shadow_gpr[0][i] = val;
+}
+
static inline void cpu_get_tb_cpu_state(CPUOpenRISCState *env,
target_ulong *pc,
target_ulong *cs_base, uint32_t *flags)
@@ -406,7 +417,7 @@ static inline void cpu_get_tb_cpu_state(CPUOpenRISCState *env,
*pc = env->pc;
*cs_base = 0;
*flags = (env->dflag
- | (env->gpr[0] == 0 ? TB_FLAGS_R0_0 : 0)
+ | (cpu_get_gpr(env, 0) == 0 ? TB_FLAGS_R0_0 : 0)
| (env->sr & SR_OVE));
}
diff --git a/target/openrisc/gdbstub.c b/target/openrisc/gdbstub.c
index b18c7e9f05..f9af6507f3 100644
--- a/target/openrisc/gdbstub.c
+++ b/target/openrisc/gdbstub.c
@@ -28,7 +28,7 @@ int openrisc_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
CPUOpenRISCState *env = &cpu->env;
if (n < 32) {
- return gdb_get_reg32(mem_buf, env->gpr[n]);
+ return gdb_get_reg32(mem_buf, cpu_get_gpr(env, n));
} else {
switch (n) {
case 32: /* PPC */
@@ -61,7 +61,7 @@ int openrisc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
tmp = ldl_p(mem_buf);
if (n < 32) {
- env->gpr[n] = tmp;
+ cpu_set_gpr(env, n, tmp);
} else {
switch (n) {
case 32: /* PPC */
diff --git a/target/openrisc/machine.c b/target/openrisc/machine.c
index 686eaa30c9..2bf71c352e 100644
--- a/target/openrisc/machine.c
+++ b/target/openrisc/machine.c
@@ -47,10 +47,10 @@ static const VMStateInfo vmstate_sr = {
static const VMStateDescription vmstate_env = {
.name = "env",
- .version_id = 4,
- .minimum_version_id = 4,
+ .version_id = 5,
+ .minimum_version_id = 5,
.fields = (VMStateField[]) {
- VMSTATE_UINTTL_ARRAY(gpr, CPUOpenRISCState, 32),
+ VMSTATE_UINTTL_2DARRAY(shadow_gpr, CPUOpenRISCState, 16, 32),
VMSTATE_UINTTL(pc, CPUOpenRISCState),
VMSTATE_UINTTL(ppc, CPUOpenRISCState),
VMSTATE_UINTTL(jmp_pc, CPUOpenRISCState),
diff --git a/target/openrisc/sys_helper.c b/target/openrisc/sys_helper.c
index e13666bea0..fa3d6a436e 100644
--- a/target/openrisc/sys_helper.c
+++ b/target/openrisc/sys_helper.c
@@ -92,6 +92,11 @@ void HELPER(mtspr)(CPUOpenRISCState *env,
case TO_SPR(0, 64): /* ESR */
env->esr = rb;
break;
+
+ case TO_SPR(0, 1024) ... TO_SPR(0, 1024 + (16 * 32)): /* Shadow GPRs */
+ idx = (spr - 1024);
+ env->shadow_gpr[idx / 32][idx % 32] = rb;
+
case TO_SPR(1, 512) ... TO_SPR(1, 512+DTLB_SIZE-1): /* DTLBW0MR 0-127 */
idx = spr - TO_SPR(1, 512);
if (!(rb & 1)) {
@@ -239,6 +244,10 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env,
case TO_SPR(0, 129): /* NUMCORES */
return 1;
+ case TO_SPR(0, 1024) ... TO_SPR(0, 1024 + (16 * 32)): /* Shadow GPRs */
+ idx = (spr - 1024);
+ return env->shadow_gpr[idx / 32][idx % 32];
+
case TO_SPR(1, 512) ... TO_SPR(1, 512+DTLB_SIZE-1): /* DTLBW0MR 0-127 */
idx = spr - TO_SPR(1, 512);
return env->tlb->dtlb[0][idx].mr;
diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c
index 7c4cbf205f..e49518e893 100644
--- a/target/openrisc/translate.c
+++ b/target/openrisc/translate.c
@@ -107,7 +107,8 @@ void openrisc_translate_init(void)
"mac");
for (i = 0; i < 32; i++) {
cpu_R[i] = tcg_global_mem_new(cpu_env,
- offsetof(CPUOpenRISCState, gpr[i]),
+ offsetof(CPUOpenRISCState,
+ shadow_gpr[0][i]),
regnames[i]);
}
cpu_R0 = cpu_R[0];
@@ -1662,7 +1663,7 @@ void openrisc_cpu_dump_state(CPUState *cs, FILE *f,
cpu_fprintf(f, "PC=%08x\n", env->pc);
for (i = 0; i < 32; ++i) {
- cpu_fprintf(f, "R%02d=%08x%c", i, env->gpr[i],
+ cpu_fprintf(f, "R%02d=%08x%c", i, cpu_get_gpr(env, i),
(i % 4) == 3 ? '\n' : ' ');
}
}
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-23 11:57:51 +0000