aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2018-05-29 13:01:11 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-05-29 13:01:11 +0100
commite609fa71e89c81fbe2670411be62da95dfb093e0 (patch)
treefc1b96d12b19dbe85aa270ecc56f9401b695ed99
parentdcd425608240ac6a5a223df2e8ce852b8fe1a661 (diff)
parentd10367e035eab12c77b83b5985915ff7f003de1f (diff)
Merge remote-tracking branch 'remotes/edgar/tags/edgar/xilinx-next-2018-05-29-v1.for-upstream' into staging
Tag edgar/xilinx-next-2018-05-29-v1.for-upstream # gpg: Signature made Tue 29 May 2018 09:58:30 BST # gpg: using RSA key 29C596780F6BCA83 # gpg: Good signature from "Edgar E. Iglesias (Xilinx key) <edgar.iglesias@xilinx.com>" # gpg: aka "Edgar E. Iglesias <edgar.iglesias@gmail.com>" # Primary key fingerprint: AC44 FEDC 14F7 F1EB EDBF 4151 29C5 9678 0F6B CA83 * remotes/edgar/tags/edgar/xilinx-next-2018-05-29-v1.for-upstream: (38 commits) target-microblaze: Consolidate MMU enabled checks target-microblaze: cpu_mmu_index: Fixup indentation target-microblaze: Use tcg_gen_movcond in eval_cond_jmp target-microblaze: Convert env_btarget to i64 target-microblaze: Remove argument b in eval_cc() target-microblaze: Use table based condition-codes conversion target-microblaze: mmu: Cleanup debug log messages target-microblaze: Simplify address computation using tcg_gen_addi_i32() target-microblaze: Allow address sizes between 32 and 64 bits target-microblaze: Add support for extended access to TLBLO target-microblaze: dec_msr: Plug a temp leak target-microblaze: mmu: Add a configurable output address mask target-microblaze: mmu: Prepare for 64-bit addresses target-microblaze: mmu: Remove unused register state target-microblaze: mmu: Add R_TBLX_MISS macros target-microblaze: Implement MFSE EAR target-microblaze: Add Extended Addressing target-microblaze: Setup for 64bit addressing target-microblaze: Make special registers 64-bit target-microblaze: dec_msr: Fix MTS to FSR ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat
-rwxr-xr-xconfigure1
-rw-r--r--linux-user/microblaze/cpu_loop.c4
-rw-r--r--target/microblaze/cpu.c30
-rw-r--r--target/microblaze/cpu.h34
-rw-r--r--target/microblaze/helper.c32
-rw-r--r--target/microblaze/helper.h8
-rw-r--r--target/microblaze/mmu.c81
-rw-r--r--target/microblaze/mmu.h17
-rw-r--r--target/microblaze/op_helper.c30
-rw-r--r--target/microblaze/translate.c930
10 files changed, 598 insertions, 569 deletions
diff --git a/configure b/configure
index a8498ab393..a6a4616c3e 100755
--- a/configure
+++ b/configure
@@ -6844,6 +6844,7 @@ case "$target_name" in
microblaze|microblazeel)
TARGET_ARCH=microblaze
bflt="yes"
+ echo "TARGET_ABI32=y" >> $config_target_mak
;;
mips|mipsel)
TARGET_ARCH=mips
diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_loop.c
index 5ffb83dea2..5af12d5b21 100644
--- a/linux-user/microblaze/cpu_loop.c
+++ b/linux-user/microblaze/cpu_loop.c
@@ -105,8 +105,8 @@ void cpu_loop(CPUMBState *env)
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
break;
default:
- printf ("Unhandled hw-exception: 0x%x\n",
- env->sregs[SR_ESR] & ESR_EC_MASK);
+ printf("Unhandled hw-exception: 0x%" PRIx64 "\n",
+ env->sregs[SR_ESR] & ESR_EC_MASK);
cpu_dump_state(cs, stderr, fprintf, 0);
exit(EXIT_FAILURE);
break;
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index 4dc1404800..9b546a2c18 100644
--- a/target/microblaze/cpu.c
+++ b/target/microblaze/cpu.c
@@ -72,6 +72,9 @@ static const struct {
{NULL, 0},
};
+/* If no specific version gets selected, default to the following. */
+#define DEFAULT_CPU_VERSION "10.0"
+
static void mb_cpu_set_pc(CPUState *cs, vaddr value)
{
MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
@@ -125,6 +128,7 @@ static void mb_cpu_reset(CPUState *s)
env->mmu.c_mmu = 3;
env->mmu.c_mmu_tlb_access = 3;
env->mmu.c_mmu_zones = 16;
+ env->mmu.c_addr_mask = MAKE_64BIT_MASK(0, cpu->cfg.addr_size);
#endif
}
@@ -141,6 +145,7 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp)
MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
CPUMBState *env = &cpu->env;
uint8_t version_code = 0;
+ const char *version;
int i = 0;
Error *local_err = NULL;
@@ -150,6 +155,12 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp)
return;
}
+ if (cpu->cfg.addr_size < 32 || cpu->cfg.addr_size > 64) {
+ error_setg(errp, "addr-size %d is out of range (32 - 64)",
+ cpu->cfg.addr_size);
+ return;
+ }
+
qemu_init_vcpu(cs);
env->pvr.regs[0] = PVR0_USE_EXC_MASK \
@@ -162,8 +173,9 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp)
| PVR2_FPU_EXC_MASK \
| 0;
- for (i = 0; mb_cpu_lookup[i].name && cpu->cfg.version; i++) {
- if (strcmp(mb_cpu_lookup[i].name, cpu->cfg.version) == 0) {
+ version = cpu->cfg.version ? cpu->cfg.version : DEFAULT_CPU_VERSION;
+ for (i = 0; mb_cpu_lookup[i].name && version; i++) {
+ if (strcmp(mb_cpu_lookup[i].name, version) == 0) {
version_code = mb_cpu_lookup[i].version_id;
break;
}
@@ -195,8 +207,10 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp)
env->pvr.regs[5] |= cpu->cfg.dcache_writeback ?
PVR5_DCACHE_WRITEBACK_MASK : 0;
- env->pvr.regs[10] = 0x0c000000; /* Default to spartan 3a dsp family. */
- env->pvr.regs[11] = PVR11_USE_MMU | (16 << 17);
+ env->pvr.regs[10] = 0x0c000000 | /* Default to spartan 3a dsp family. */
+ (cpu->cfg.addr_size - 32) << PVR10_ASIZE_SHIFT;
+ env->pvr.regs[11] = (cpu->cfg.use_mmu ? PVR11_USE_MMU : 0) |
+ 16 << 17;
mcc->parent_realize(dev, errp);
}
@@ -226,6 +240,14 @@ static Property mb_properties[] = {
DEFINE_PROP_UINT32("base-vectors", MicroBlazeCPU, cfg.base_vectors, 0),
DEFINE_PROP_BOOL("use-stack-protection", MicroBlazeCPU, cfg.stackprot,
false),
+ /*
+ * This is the C_ADDR_SIZE synth-time configuration option of the
+ * MicroBlaze cores. Supported values range between 32 and 64.
+ *
+ * When set to > 32, 32bit MicroBlaze can emit load/stores
+ * with extended addressing.
+ */
+ DEFINE_PROP_UINT8("addr-size", MicroBlazeCPU, cfg.addr_size, 32),
/* If use-fpu > 0 - FPU is enabled
* If use-fpu = 2 - Floating point conversion and square root instructions
* are enabled
diff --git a/target/microblaze/cpu.h b/target/microblaze/cpu.h
index 5be71bc320..3c4e0ba80a 100644
--- a/target/microblaze/cpu.h
+++ b/target/microblaze/cpu.h
@@ -23,7 +23,7 @@
#include "qemu-common.h"
#include "cpu-qom.h"
-#define TARGET_LONG_BITS 32
+#define TARGET_LONG_BITS 64
#define CPUArchState struct CPUMBState
@@ -203,6 +203,7 @@ typedef struct CPUMBState CPUMBState;
/* Target family PVR mask */
#define PVR10_TARGET_FAMILY_MASK 0xFF000000
+#define PVR10_ASIZE_SHIFT 18
/* MMU descrtiption */
#define PVR11_USE_MMU 0xC0000000
@@ -238,19 +239,19 @@ typedef struct CPUMBState CPUMBState;
struct CPUMBState {
uint32_t debug;
uint32_t btaken;
- uint32_t btarget;
+ uint64_t btarget;
uint32_t bimm;
uint32_t imm;
- uint32_t regs[33];
- uint32_t sregs[24];
+ uint32_t regs[32];
+ uint64_t sregs[14];
float_status fp_status;
/* Stack protectors. Yes, it's a hw feature. */
uint32_t slr, shr;
/* lwx/swx reserved address */
#define RES_ADDR_NONE 0xffffffff /* Use 0xffffffff to indicate no reservation */
- uint32_t res_addr;
+ target_ulong res_addr;
uint32_t res_val;
/* Internal flags. */
@@ -277,7 +278,7 @@ struct CPUMBState {
/* These fields are preserved on reset. */
struct {
- uint32_t regs[16];
+ uint32_t regs[13];
} pvr;
};
@@ -297,6 +298,7 @@ struct MicroBlazeCPU {
struct {
bool stackprot;
uint32_t base_vectors;
+ uint8_t addr_size;
uint8_t use_fpu;
uint8_t use_hw_mul;
bool use_barrel;
@@ -340,8 +342,8 @@ int cpu_mb_signal_handler(int host_signum, void *pinfo,
/* FIXME: MB uses variable pages down to 1K but linux only uses 4k. */
#define TARGET_PAGE_BITS 12
-#define TARGET_PHYS_ADDR_SPACE_BITS 32
-#define TARGET_VIRT_ADDR_SPACE_BITS 32
+#define TARGET_PHYS_ADDR_SPACE_BITS 64
+#define TARGET_VIRT_ADDR_SPACE_BITS 64
#define CPU_RESOLVING_TYPE TYPE_MICROBLAZE_CPU
@@ -358,13 +360,17 @@ int cpu_mb_signal_handler(int host_signum, void *pinfo,
static inline int cpu_mmu_index (CPUMBState *env, bool ifetch)
{
- /* Are we in nommu mode?. */
- if (!(env->sregs[SR_MSR] & MSR_VM))
- return MMU_NOMMU_IDX;
+ MicroBlazeCPU *cpu = mb_env_get_cpu(env);
- if (env->sregs[SR_MSR] & MSR_UM)
- return MMU_USER_IDX;
- return MMU_KERNEL_IDX;
+ /* Are we in nommu mode?. */
+ if (!(env->sregs[SR_MSR] & MSR_VM) || !cpu->cfg.use_mmu) {
+ return MMU_NOMMU_IDX;
+ }
+
+ if (env->sregs[SR_MSR] & MSR_UM) {
+ return MMU_USER_IDX;
+ }
+ return MMU_KERNEL_IDX;
}
int mb_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int size, int rw,
diff --git a/target/microblaze/helper.c b/target/microblaze/helper.c
index fac6ee9263..bc753793ec 100644
--- a/target/microblaze/helper.c
+++ b/target/microblaze/helper.c
@@ -54,22 +54,12 @@ int mb_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
CPUMBState *env = &cpu->env;
unsigned int hit;
- unsigned int mmu_available;
int r = 1;
int prot;
- mmu_available = 0;
- if (cpu->cfg.use_mmu) {
- mmu_available = 1;
- if ((cpu->cfg.pvr == C_PVR_FULL) &&
- (env->pvr.regs[11] & PVR11_USE_MMU) != PVR11_USE_MMU) {
- mmu_available = 0;
- }
- }
-
/* Translate if the MMU is available and enabled. */
- if (mmu_available && (env->sregs[SR_MSR] & MSR_VM)) {
- target_ulong vaddr, paddr;
+ if (mmu_idx != MMU_NOMMU_IDX) {
+ uint32_t vaddr, paddr;
struct microblaze_mmu_lookup lu;
hit = mmu_translate(&env->mmu, &lu, address, rw, mmu_idx);
@@ -152,7 +142,8 @@ void mb_cpu_do_interrupt(CPUState *cs)
env->sregs[SR_MSR] |= MSR_EIP;
qemu_log_mask(CPU_LOG_INT,
- "hw exception at pc=%x ear=%x esr=%x iflags=%x\n",
+ "hw exception at pc=%" PRIx64 " ear=%" PRIx64 " "
+ "esr=%" PRIx64 " iflags=%x\n",
env->sregs[SR_PC], env->sregs[SR_EAR],
env->sregs[SR_ESR], env->iflags);
log_cpu_state_mask(CPU_LOG_INT, cs, 0);
@@ -175,7 +166,8 @@ void mb_cpu_do_interrupt(CPUState *cs)
/* was the branch immprefixed?. */
if (env->bimm) {
qemu_log_mask(CPU_LOG_INT,
- "bimm exception at pc=%x iflags=%x\n",
+ "bimm exception at pc=%" PRIx64 " "
+ "iflags=%x\n",
env->sregs[SR_PC], env->iflags);
env->regs[17] -= 4;
log_cpu_state_mask(CPU_LOG_INT, cs, 0);
@@ -193,7 +185,8 @@ void mb_cpu_do_interrupt(CPUState *cs)
env->sregs[SR_MSR] |= MSR_EIP;
qemu_log_mask(CPU_LOG_INT,
- "exception at pc=%x ear=%x iflags=%x\n",
+ "exception at pc=%" PRIx64 " ear=%" PRIx64 " "
+ "iflags=%x\n",
env->sregs[SR_PC], env->sregs[SR_EAR], env->iflags);
log_cpu_state_mask(CPU_LOG_INT, cs, 0);
env->iflags &= ~(IMM_FLAG | D_FLAG);
@@ -230,7 +223,8 @@ void mb_cpu_do_interrupt(CPUState *cs)
}
#endif
qemu_log_mask(CPU_LOG_INT,
- "interrupt at pc=%x msr=%x %x iflags=%x\n",
+ "interrupt at pc=%" PRIx64 " msr=%" PRIx64 " %x "
+ "iflags=%x\n",
env->sregs[SR_PC], env->sregs[SR_MSR], t, env->iflags);
env->sregs[SR_MSR] &= ~(MSR_VMS | MSR_UMS | MSR_VM \
@@ -248,7 +242,8 @@ void mb_cpu_do_interrupt(CPUState *cs)
assert(!(env->iflags & D_FLAG));
t = (env->sregs[SR_MSR] & (MSR_VM | MSR_UM)) << 1;
qemu_log_mask(CPU_LOG_INT,
- "break at pc=%x msr=%x %x iflags=%x\n",
+ "break at pc=%" PRIx64 " msr=%" PRIx64 " %x "
+ "iflags=%x\n",
env->sregs[SR_PC], env->sregs[SR_MSR], t, env->iflags);
log_cpu_state_mask(CPU_LOG_INT, cs, 0);
env->sregs[SR_MSR] &= ~(MSR_VMS | MSR_UMS | MSR_VM | MSR_UM);
@@ -274,9 +269,10 @@ hwaddr mb_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
CPUMBState *env = &cpu->env;
target_ulong vaddr, paddr = 0;
struct microblaze_mmu_lookup lu;
+ int mmu_idx = cpu_mmu_index(env, false);
unsigned int hit;
- if (env->sregs[SR_MSR] & MSR_VM) {
+ if (mmu_idx != MMU_NOMMU_IDX) {
hit = mmu_translate(&env->mmu, &lu, addr, 0, 0);
if (hit) {
vaddr = addr & TARGET_PAGE_MASK;
diff --git a/target/microblaze/helper.h b/target/microblaze/helper.h
index 71a6c0858d..2f8bdea22b 100644
--- a/target/microblaze/helper.h
+++ b/target/microblaze/helper.h
@@ -25,12 +25,12 @@ DEF_HELPER_3(fcmp_ge, i32, env, i32, i32)
DEF_HELPER_FLAGS_2(pcmpbf, TCG_CALL_NO_RWG_SE, i32, i32, i32)
#if !defined(CONFIG_USER_ONLY)
-DEF_HELPER_2(mmu_read, i32, env, i32)
-DEF_HELPER_3(mmu_write, void, env, i32, i32)
+DEF_HELPER_3(mmu_read, i32, env, i32, i32)
+DEF_HELPER_4(mmu_write, void, env, i32, i32, i32)
#endif
-DEF_HELPER_5(memalign, void, env, i32, i32, i32, i32)
-DEF_HELPER_2(stackprot, void, env, i32)
+DEF_HELPER_5(memalign, void, env, tl, i32, i32, i32)
+DEF_HELPER_2(stackprot, void, env, tl)
DEF_HELPER_2(get, i32, i32, i32)
DEF_HELPER_3(put, void, i32, i32, i32)
diff --git a/target/microblaze/mmu.c b/target/microblaze/mmu.c
index 9d5e6aa8a5..f4ceaea520 100644
--- a/target/microblaze/mmu.c
+++ b/target/microblaze/mmu.c
@@ -22,8 +22,6 @@
#include "cpu.h"
#include "exec/exec-all.h"
-#define D(x)
-
static unsigned int tlb_decode_size(unsigned int f)
{
static const unsigned int sizes[] = {
@@ -81,34 +79,29 @@ unsigned int mmu_translate(struct microblaze_mmu *mmu,
{
unsigned int i, hit = 0;
unsigned int tlb_ex = 0, tlb_wr = 0, tlb_zsel;
- unsigned int tlb_size;
- uint32_t tlb_tag, tlb_rpn, mask, t0;
+ uint64_t tlb_tag, tlb_rpn, mask;
+ uint32_t tlb_size, t0;
lu->err = ERR_MISS;
for (i = 0; i < ARRAY_SIZE(mmu->rams[RAM_TAG]); i++) {
- uint32_t t, d;
+ uint64_t t, d;
/* Lookup and decode. */
t = mmu->rams[RAM_TAG][i];
- D(qemu_log("TLB %d valid=%d\n", i, t & TLB_VALID));
if (t & TLB_VALID) {
tlb_size = tlb_decode_size((t & TLB_PAGESZ_MASK) >> 7);
if (tlb_size < TARGET_PAGE_SIZE) {
- qemu_log("%d pages not supported\n", tlb_size);
+ qemu_log_mask(LOG_UNIMP, "%d pages not supported\n", tlb_size);
abort();
}
- mask = ~(tlb_size - 1);
+ mask = ~((uint64_t)tlb_size - 1);
tlb_tag = t & TLB_EPN_MASK;
if ((vaddr & mask) != (tlb_tag & mask)) {
- D(qemu_log("TLB %d vaddr=%x != tag=%x\n",
- i, vaddr & mask, tlb_tag & mask));
continue;
}
if (mmu->tids[i]
&& ((mmu->regs[MMU_R_PID] & 0xff) != mmu->tids[i])) {
- D(qemu_log("TLB %d pid=%x != tid=%x\n",
- i, mmu->regs[MMU_R_PID], mmu->tids[i]));
continue;
}
@@ -123,7 +116,8 @@ unsigned int mmu_translate(struct microblaze_mmu *mmu,
t0 &= 0x3;
if (tlb_zsel > mmu->c_mmu_zones) {
- qemu_log_mask(LOG_GUEST_ERROR, "tlb zone select out of range! %d\n", tlb_zsel);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "tlb zone select out of range! %d\n", tlb_zsel);
t0 = 1; /* Ignore. */
}
@@ -164,6 +158,7 @@ unsigned int mmu_translate(struct microblaze_mmu *mmu,
tlb_rpn = d & TLB_RPN_MASK;
lu->vaddr = tlb_tag;
+ lu->paddr = tlb_rpn & mmu->c_addr_mask;
lu->paddr = tlb_rpn;
lu->size = tlb_size;
lu->err = ERR_HIT;
@@ -173,13 +168,14 @@ unsigned int mmu_translate(struct microblaze_mmu *mmu,
}
}
done:
- D(qemu_log("MMU vaddr=%x rw=%d tlb_wr=%d tlb_ex=%d hit=%d\n",
- vaddr, rw, tlb_wr, tlb_ex, hit));
+ qemu_log_mask(CPU_LOG_MMU,
+ "MMU vaddr=%" PRIx64 " rw=%d tlb_wr=%d tlb_ex=%d hit=%d\n",
+ vaddr, rw, tlb_wr, tlb_ex, hit);
return hit;
}
/* Writes/reads to the MMU's special regs end up here. */
-uint32_t mmu_read(CPUMBState *env, uint32_t rn)
+uint32_t mmu_read(CPUMBState *env, bool ext, uint32_t rn)
{
unsigned int i;
uint32_t r = 0;
@@ -188,50 +184,65 @@ uint32_t mmu_read(CPUMBState *env, uint32_t rn)
qemu_log_mask(LOG_GUEST_ERROR, "MMU access on MMU-less system\n");
return 0;
}
+ if (ext && rn != MMU_R_TLBLO) {
+ qemu_log_mask(LOG_GUEST_ERROR, "Extended access only to TLBLO.\n");
+ return 0;
+ }
switch (rn) {
/* Reads to HI/LO trig reads from the mmu rams. */
case MMU_R_TLBLO:
case MMU_R_TLBHI:
if (!(env->mmu.c_mmu_tlb_access & 1)) {
- qemu_log_mask(LOG_GUEST_ERROR, "Invalid access to MMU reg %d\n", rn);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "Invalid access to MMU reg %d\n", rn);
return 0;
}
i = env->mmu.regs[MMU_R_TLBX] & 0xff;
- r = env->mmu.rams[rn & 1][i];
+ r = extract64(env->mmu.rams[rn & 1][i], ext * 32, 32);
if (rn == MMU_R_TLBHI)
env->mmu.regs[MMU_R_PID] = env->mmu.tids[i];
break;
case MMU_R_PID:
case MMU_R_ZPR:
if (!(env->mmu.c_mmu_tlb_access & 1)) {
- qemu_log_mask(LOG_GUEST_ERROR, "Invalid access to MMU reg %d\n", rn);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "Invalid access to MMU reg %d\n", rn);
return 0;
}
r = env->mmu.regs[rn];
break;
+ case MMU_R_TLBX:
+ r = env->mmu.regs[rn];
+ break;
case MMU_R_TLBSX:
qemu_log_mask(LOG_GUEST_ERROR, "TLBSX is write-only.\n");
break;
default:
- r = env->mmu.regs[rn];
+ qemu_log_mask(LOG_GUEST_ERROR, "Invalid MMU register %d.\n", rn);
break;
}
- D(qemu_log("%s rn=%d=%x\n", __func__, rn, r));
+ qemu_log_mask(CPU_LOG_MMU, "%s rn=%d=%x\n", __func__, rn, r);
return r;
}
-void mmu_write(CPUMBState *env, uint32_t rn, uint32_t v)
+void mmu_write(CPUMBState *env, bool ext, uint32_t rn, uint32_t v)
{
MicroBlazeCPU *cpu = mb_env_get_cpu(env);
+ uint64_t tmp64;
unsigned int i;
- D(qemu_log("%s rn=%d=%x old=%x\n", __func__, rn, v, env->mmu.regs[rn]));
+ qemu_log_mask(CPU_LOG_MMU,
+ "%s rn=%d=%x old=%x\n", __func__, rn, v, env->mmu.regs[rn]);
if (env->mmu.c_mmu < 2 || !env->mmu.c_mmu_tlb_access) {
qemu_log_mask(LOG_GUEST_ERROR, "MMU access on MMU-less system\n");
return;
}
+ if (ext && rn != MMU_R_TLBLO) {
+ qemu_log_mask(LOG_GUEST_ERROR, "Extended access only to TLBLO.\n");
+ return;
+ }
switch (rn) {
/* Writes to HI/LO trig writes to the mmu rams. */
@@ -240,18 +251,19 @@ void mmu_write(CPUMBState *env, uint32_t rn, uint32_t v)
i = env->mmu.regs[MMU_R_TLBX] & 0xff;
if (rn == MMU_R_TLBHI) {
if (i < 3 && !(v & TLB_VALID) && qemu_loglevel_mask(~0))
- qemu_log_mask(LOG_GUEST_ERROR, "invalidating index %x at pc=%x\n",
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "invalidating index %x at pc=%" PRIx64 "\n",
i, env->sregs[SR_PC]);
env->mmu.tids[i] = env->mmu.regs[MMU_R_PID] & 0xff;
mmu_flush_idx(env, i);
}
- env->mmu.rams[rn & 1][i] = v;
-
- D(qemu_log("%s ram[%d][%d]=%x\n", __func__, rn & 1, i, v));
+ tmp64 = env->mmu.rams[rn & 1][i];
+ env->mmu.rams[rn & 1][i] = deposit64(tmp64, ext * 32, 32, v);
break;
case MMU_R_ZPR:
if (env->mmu.c_mmu_tlb_access <= 1) {
- qemu_log_mask(LOG_GUEST_ERROR, "Invalid access to MMU reg %d\n", rn);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "Invalid access to MMU reg %d\n", rn);
return;
}
@@ -264,7 +276,8 @@ void mmu_write(CPUMBState *env, uint32_t rn, uint32_t v)
break;
case MMU_R_PID:
if (env->mmu.c_mmu_tlb_access <= 1) {
- qemu_log_mask(LOG_GUEST_ERROR, "Invalid access to MMU reg %d\n", rn);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "Invalid access to MMU reg %d\n", rn);
return;
}
@@ -283,7 +296,8 @@ void mmu_write(CPUMBState *env, uint32_t rn, uint32_t v)
int hit;
if (env->mmu.c_mmu_tlb_access <= 1) {
- qemu_log_mask(LOG_GUEST_ERROR, "Invalid access to MMU reg %d\n", rn);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "Invalid access to MMU reg %d\n", rn);
return;
}
@@ -291,12 +305,13 @@ void mmu_write(CPUMBState *env, uint32_t rn, uint32_t v)
v & TLB_EPN_MASK, 0, cpu_mmu_index(env, false));
if (hit) {
env->mmu.regs[MMU_R_TLBX] = lu.idx;
- } else
- env->mmu.regs[MMU_R_TLBX] |= 0x80000000;
+ } else {
+ env->mmu.regs[MMU_R_TLBX] |= R_TBLX_MISS_MASK;
+ }
break;
}
default:
- env->mmu.regs[rn] = v;
+ qemu_log_mask(LOG_GUEST_ERROR, "Invalid MMU register %d.\n", rn);
break;
}
}
diff --git a/target/microblaze/mmu.h b/target/microblaze/mmu.h
index 3b7a9983d5..a4272b6356 100644
--- a/target/microblaze/mmu.h
+++ b/target/microblaze/mmu.h
@@ -28,7 +28,7 @@
#define RAM_TAG 0
/* Tag portion */
-#define TLB_EPN_MASK 0xFFFFFC00 /* Effective Page Number */
+#define TLB_EPN_MASK MAKE_64BIT_MASK(10, 64 - 10)
#define TLB_PAGESZ_MASK 0x00000380
#define TLB_PAGESZ(x) (((x) & 0x7) << 7)
#define PAGESZ_1K 0
@@ -42,7 +42,7 @@
#define TLB_VALID 0x00000040 /* Entry is valid */
/* Data portion */
-#define TLB_RPN_MASK 0xFFFFFC00 /* Real Page Number */
+#define TLB_RPN_MASK MAKE_64BIT_MASK(10, 64 - 10)
#define TLB_PERM_MASK 0x00000300
#define TLB_EX 0x00000200 /* Instruction execution allowed */
#define TLB_WR 0x00000100 /* Writes permitted */
@@ -54,20 +54,25 @@
#define TLB_M 0x00000002 /* Memory is coherent */
#define TLB_G 0x00000001 /* Memory is guarded from prefetch */
+/* TLBX */
+#define R_TBLX_MISS_SHIFT 31
+#define R_TBLX_MISS_MASK (1U << R_TBLX_MISS_SHIFT)
+
#define TLB_ENTRIES 64
struct microblaze_mmu
{
/* Data and tag brams. */
- uint32_t rams[2][TLB_ENTRIES];
+ uint64_t rams[2][TLB_ENTRIES];
/* We keep a separate ram for the tids to avoid the 48 bit tag width. */
uint8_t tids[TLB_ENTRIES];
/* Control flops. */
- uint32_t regs[8];
+ uint32_t regs[3];
int c_mmu;
int c_mmu_tlb_access;
int c_mmu_zones;
+ uint64_t c_addr_mask; /* Mask to apply to physical addresses. */
};
struct microblaze_mmu_lookup
@@ -85,6 +90,6 @@ struct microblaze_mmu_lookup
unsigned int mmu_translate(struct microblaze_mmu *mmu,
struct microblaze_mmu_lookup *lu,
target_ulong vaddr, int rw, int mmu_idx);
-uint32_t mmu_read(CPUMBState *env, uint32_t rn);
-void mmu_write(CPUMBState *env, uint32_t rn, uint32_t v);
+uint32_t mmu_read(CPUMBState *env, bool ea, uint32_t rn);
+void mmu_write(CPUMBState *env, bool ea, uint32_t rn, uint32_t v);
void mmu_init(struct microblaze_mmu *mmu);
diff --git a/target/microblaze/op_helper.c b/target/microblaze/op_helper.c
index 1b4fe796e7..7cdbbcccae 100644
--- a/target/microblaze/op_helper.c
+++ b/target/microblaze/op_helper.c
@@ -94,16 +94,17 @@ void helper_debug(CPUMBState *env)
{
int i;
- qemu_log("PC=%8.8x\n", env->sregs[SR_PC]);
- qemu_log("rmsr=%x resr=%x rear=%x debug[%x] imm=%x iflags=%x\n",
+ qemu_log("PC=%" PRIx64 "\n", env->sregs[SR_PC]);
+ qemu_log("rmsr=%" PRIx64 " resr=%" PRIx64 " rear=%" PRIx64 " "
+ "debug[%x] imm=%x iflags=%x\n",
env->sregs[SR_MSR], env->sregs[SR_ESR], env->sregs[SR_EAR],
env->debug, env->imm, env->iflags);
- qemu_log("btaken=%d btarget=%x mode=%s(saved=%s) eip=%d ie=%d\n",
+ qemu_log("btaken=%d btarget=%" PRIx64 " mode=%s(saved=%s) eip=%d ie=%d\n",
env->btaken, env->btarget,
(env->sregs[SR_MSR] & MSR_UM) ? "user" : "kernel",
(env->sregs[SR_MSR] & MSR_UMS) ? "user" : "kernel",
- (env->sregs[SR_MSR] & MSR_EIP),
- (env->sregs[SR_MSR] & MSR_IE));
+ (bool)(env->sregs[SR_MSR] & MSR_EIP),
+ (bool)(env->sregs[SR_MSR] & MSR_IE));
for (i = 0; i < 32; i++) {
qemu_log("r%2.2d=%8.8x ", i, env->regs[i]);
if ((i + 1) % 4 == 0)
@@ -439,12 +440,14 @@ uint32_t helper_pcmpbf(uint32_t a, uint32_t b)
return 0;
}
-void helper_memalign(CPUMBState *env, uint32_t addr, uint32_t dr, uint32_t wr,
+void helper_memalign(CPUMBState *env, target_ulong addr,
+ uint32_t dr, uint32_t wr,
uint32_t mask)
{
if (addr & mask) {
qemu_log_mask(CPU_LOG_INT,
- "unaligned access addr=%x mask=%x, wr=%d dr=r%d\n",
+ "unaligned access addr=" TARGET_FMT_lx
+ " mask=%x, wr=%d dr=r%d\n",
addr, mask, wr, dr);
env->sregs[SR_EAR] = addr;
env->sregs[SR_ESR] = ESR_EC_UNALIGNED_DATA | (wr << 10) \
@@ -459,10 +462,11 @@ void helper_memalign(CPUMBState *env, uint32_t addr, uint32_t dr, uint32_t wr,
}
}
-void helper_stackprot(CPUMBState *env, uint32_t addr)
+void helper_stackprot(CPUMBState *env, target_ulong addr)
{
if (addr < env->slr || addr > env->shr) {
- qemu_log_mask(CPU_LOG_INT, "Stack protector violation at %x %x %x\n",
+ qemu_log_mask(CPU_LOG_INT, "Stack protector violation at "
+ TARGET_FMT_lx " %x %x\n",
addr, env->slr, env->shr);
env->sregs[SR_EAR] = addr;
env->sregs[SR_ESR] = ESR_EC_STACKPROT;
@@ -472,14 +476,14 @@ void helper_stackprot(CPUMBState *env, uint32_t addr)
#if !defined(CONFIG_USER_ONLY)
/* Writes/reads to the MMU's special regs end up here. */
-uint32_t helper_mmu_read(CPUMBState *env, uint32_t rn)
+uint32_t helper_mmu_read(CPUMBState *env, uint32_t ext, uint32_t rn)
{
- return mmu_read(env, rn);
+ return mmu_read(env, ext, rn);
}
-void helper_mmu_write(CPUMBState *env, uint32_t rn, uint32_t v)
+void helper_mmu_write(CPUMBState *env, uint32_t ext, uint32_t rn, uint32_t v)
{
- mmu_write(env, rn, v);
+ mmu_write(env, ext, rn, v);
}
void mb_cpu_unassigned_access(CPUState *cs, hwaddr addr,
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index 0872dc9ded..b79600cba5 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -52,22 +52,22 @@
#define DISAS_UPDATE DISAS_TARGET_1 /* cpu state was modified dynamically */
#define DISAS_TB_JUMP DISAS_TARGET_2 /* only pc was modified statically */
-static TCGv env_debug;
-static TCGv cpu_R[32];
-static TCGv cpu_SR[18];
-static TCGv env_imm;
-static TCGv env_btaken;
-static TCGv env_btarget;
-static TCGv env_iflags;
+static TCGv_i32 env_debug;
+static TCGv_i32 cpu_R[32];
+static TCGv_i64 cpu_SR[14];
+static TCGv_i32 env_imm;
+static TCGv_i32 env_btaken;
+static TCGv_i64 env_btarget;
+static TCGv_i32 env_iflags;
static TCGv env_res_addr;
-static TCGv env_res_val;
+static TCGv_i32 env_res_val;
#include "exec/gen-icount.h"
/* This is the state at translation time. */
typedef struct DisasContext {
MicroBlazeCPU *cpu;
- target_ulong pc;
+ uint32_t pc;
/* Decoder. */
int type_b;
@@ -105,16 +105,15 @@ static const char *regnames[] =
static const char *special_regnames[] =
{
- "rpc", "rmsr", "sr2", "sr3", "sr4", "sr5", "sr6", "sr7",
- "sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15",
- "sr16", "sr17", "sr18"
+ "rpc", "rmsr", "sr2", "rear", "sr4", "resr", "sr6", "rfsr",
+ "sr8", "sr9", "sr10", "rbtr", "sr12", "redr"
};
static inline void t_sync_flags(DisasContext *dc)
{
/* Synch the tb dependent flags between translator and runtime. */
if (dc->tb_flags != dc->synced_flags) {
- tcg_gen_movi_tl(env_iflags, dc->tb_flags);
+ tcg_gen_movi_i32(env_iflags, dc->tb_flags);
dc->synced_flags = dc->tb_flags;
}
}
@@ -124,7 +123,7 @@ static inline void t_gen_raise_exception(DisasContext *dc, uint32_t index)
TCGv_i32 tmp = tcg_const_i32(index);
t_sync_flags(dc);
- tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], dc->pc);
gen_helper_raise_exception(cpu_env, tmp);
tcg_temp_free_i32(tmp);
dc->is_jmp = DISAS_UPDATE;
@@ -143,41 +142,70 @@ static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest)
{
if (use_goto_tb(dc, dest)) {
tcg_gen_goto_tb(n);
- tcg_gen_movi_tl(cpu_SR[SR_PC], dest);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], dest);
tcg_gen_exit_tb((uintptr_t)dc->tb + n);
} else {
- tcg_gen_movi_tl(cpu_SR[SR_PC], dest);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], dest);
tcg_gen_exit_tb(0);
}
}
-static void read_carry(DisasContext *dc, TCGv d)
+static void read_carry(DisasContext *dc, TCGv_i32 d)
{
- tcg_gen_shri_tl(d, cpu_SR[SR_MSR], 31);
+ tcg_gen_extrl_i64_i32(d, cpu_SR[SR_MSR]);
+ tcg_gen_shri_i32(d, d, 31);
}
/*
* write_carry sets the carry bits in MSR based on bit 0 of v.
* v[31:1] are ignored.
*/
-static void write_carry(DisasContext *dc, TCGv v)
+static void write_carry(DisasContext *dc, TCGv_i32 v)
{
- TCGv t0 = tcg_temp_new();
- tcg_gen_shli_tl(t0, v, 31);
- tcg_gen_sari_tl(t0, t0, 31);
- tcg_gen_andi_tl(t0, t0, (MSR_C | MSR_CC));
- tcg_gen_andi_tl(cpu_SR[SR_MSR], cpu_SR[SR_MSR],
- ~(MSR_C | MSR_CC));
- tcg_gen_or_tl(cpu_SR[SR_MSR], cpu_SR[SR_MSR], t0);
- tcg_temp_free(t0);
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ tcg_gen_extu_i32_i64(t0, v);
+ /* Deposit bit 0 into MSR_C and the alias MSR_CC. */
+ tcg_gen_deposit_i64(cpu_SR[SR_MSR], cpu_SR[SR_MSR], t0, 2, 1);
+ tcg_gen_deposit_i64(cpu_SR[SR_MSR], cpu_SR[SR_MSR], t0, 31, 1);
+ tcg_temp_free_i64(t0);
}
static void write_carryi(DisasContext *dc, bool carry)
{
- TCGv t0 = tcg_temp_new();
- tcg_gen_movi_tl(t0, carry);
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ tcg_gen_movi_i32(t0, carry);
write_carry(dc, t0);
- tcg_temp_free(t0);
+ tcg_temp_free_i32(t0);
+}
+
+/*
+ * Returns true if the insn an illegal operation.
+ * If exceptions are enabled, an exception is raised.
+ */
+static bool trap_illegal(DisasContext *dc, bool cond)
+{
+ if (cond && (dc->tb_flags & MSR_EE_FLAG)
+ && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)) {
+ tcg_gen_movi_i64(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
+ t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ }
+ return cond;
+}
+
+/*
+ * Returns true if the insn is illegal in userspace.
+ * If exceptions are enabled, an exception is raised.
+ */
+static bool trap_userspace(DisasContext *dc, bool cond)
+{
+ int mem_index = cpu_mmu_index(&dc->cpu->env, false);
+ bool cond_user = cond && mem_index == MMU_USER_IDX;
+
+ if (cond_user && (dc->tb_flags & MSR_EE_FLAG)) {
+ tcg_gen_movi_i64(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
+ t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ }
+ return cond_user;
}
/* True if ALU operand b is a small immediate that may deserve
@@ -188,13 +216,13 @@ static inline int dec_alu_op_b_is_small_imm(DisasContext *dc)
return dc->type_b && !(dc->tb_flags & IMM_FLAG);
}
-static inline TCGv *dec_alu_op_b(DisasContext *dc)
+static inline TCGv_i32 *dec_alu_op_b(DisasContext *dc)
{
if (dc->type_b) {
if (dc->tb_flags & IMM_FLAG)
- tcg_gen_ori_tl(env_imm, env_imm, dc->imm);
+ tcg_gen_ori_i32(env_imm, env_imm, dc->imm);
else
- tcg_gen_movi_tl(env_imm, (int32_t)((int16_t)dc->imm));
+ tcg_gen_movi_i32(env_imm, (int32_t)((int16_t)dc->imm));
return &env_imm;
} else
return &cpu_R[dc->rb];
@@ -203,7 +231,7 @@ static inline TCGv *dec_alu_op_b(DisasContext *dc)
static void dec_add(DisasContext *dc)
{
unsigned int k, c;
- TCGv cf;
+ TCGv_i32 cf;
k = dc->opcode & 4;
c = dc->opcode & 2;
@@ -217,15 +245,15 @@ static void dec_add(DisasContext *dc)
/* k - keep carry, no need to update MSR. */
/* If rd == r0, it's a nop. */
if (dc->rd) {
- tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
+ tcg_gen_add_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
if (c) {
/* c - Add carry into the result. */
- cf = tcg_temp_new();
+ cf = tcg_temp_new_i32();
read_carry(dc, cf);
- tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf);
- tcg_temp_free(cf);
+ tcg_gen_add_i32(cpu_R[dc->rd], cpu_R[dc->rd], cf);
+ tcg_temp_free_i32(cf);
}
}
return;
@@ -233,31 +261,31 @@ static void dec_add(DisasContext *dc)
/* From now on, we can assume k is zero. So we need to update MSR. */
/* Extract carry. */
- cf = tcg_temp_new();
+ cf = tcg_temp_new_i32();
if (c) {
read_carry(dc, cf);
} else {
- tcg_gen_movi_tl(cf, 0);
+ tcg_gen_movi_i32(cf, 0);
}
if (dc->rd) {
- TCGv ncf = tcg_temp_new();
+ TCGv_i32 ncf = tcg_temp_new_i32();
gen_helper_carry(ncf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf);
- tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
- tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf);
+ tcg_gen_add_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
+ tcg_gen_add_i32(cpu_R[dc->rd], cpu_R[dc->rd], cf);
write_carry(dc, ncf);
- tcg_temp_free(ncf);
+ tcg_temp_free_i32(ncf);
} else {
gen_helper_carry(cf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf);
write_carry(dc, cf);
}
- tcg_temp_free(cf);
+ tcg_temp_free_i32(cf);
}
static void dec_sub(DisasContext *dc)
{
unsigned int u, cmp, k, c;
- TCGv cf, na;
+ TCGv_i32 cf, na;
u = dc->imm & 2;
k = dc->opcode & 4;
@@ -283,15 +311,15 @@ static void dec_sub(DisasContext *dc)
/* k - keep carry, no need to update MSR. */
/* If rd == r0, it's a nop. */
if (dc->rd) {
- tcg_gen_sub_tl(cpu_R[dc->rd], *(dec_alu_op_b(dc)), cpu_R[dc->ra]);
+ tcg_gen_sub_i32(cpu_R[dc->rd], *(dec_alu_op_b(dc)), cpu_R[dc->ra]);
if (c) {
/* c - Add carry into the result. */
- cf = tcg_temp_new();
+ cf = tcg_temp_new_i32();
read_carry(dc, cf);
- tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf);
- tcg_temp_free(cf);
+ tcg_gen_add_i32(cpu_R[dc->rd], cpu_R[dc->rd], cf);
+ tcg_temp_free_i32(cf);
}
}
return;
@@ -299,41 +327,38 @@ static void dec_sub(DisasContext *dc)
/* From now on, we can assume k is zero. So we need to update MSR. */
/* Extract carry. And complement a into na. */
- cf = tcg_temp_new();
- na = tcg_temp_new();
+ cf = tcg_temp_new_i32();
+ na = tcg_temp_new_i32();
if (c) {
read_carry(dc, cf);
} else {
- tcg_gen_movi_tl(cf, 1);
+ tcg_gen_movi_i32(cf, 1);
}
/* d = b + ~a + c. carry defaults to 1. */
- tcg_gen_not_tl(na, cpu_R[dc->ra]);
+ tcg_gen_not_i32(na, cpu_R[dc->ra]);
if (dc->rd) {
- TCGv ncf = tcg_temp_new();
+ TCGv_i32 ncf = tcg_temp_new_i32();
gen_helper_carry(ncf, na, *(dec_alu_op_b(dc)), cf);
- tcg_gen_add_tl(cpu_R[dc->rd], na, *(dec_alu_op_b(dc)));
- tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf);
+ tcg_gen_add_i32(cpu_R[dc->rd], na, *(dec_alu_op_b(dc)));
+ tcg_gen_add_i32(cpu_R[dc->rd], cpu_R[dc->rd], cf);
write_carry(dc, ncf);
- tcg_temp_free(ncf);
+ tcg_temp_free_i32(ncf);
} else {
gen_helper_carry(cf, na, *(dec_alu_op_b(dc)), cf);
write_carry(dc, cf);
}
- tcg_temp_free(cf);
- tcg_temp_free(na);
+ tcg_temp_free_i32(cf);
+ tcg_temp_free_i32(na);
}
static void dec_pattern(DisasContext *dc)
{
unsigned int mode;
- if ((dc->tb_flags & MSR_EE_FLAG)
- && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
- && !dc->cpu->cfg.use_pcmp_instr) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_illegal(dc, !dc->cpu->cfg.use_pcmp_instr)) {
+ return;
}
mode = dc->opcode & 3;
@@ -347,14 +372,14 @@ static void dec_pattern(DisasContext *dc)
case 2:
LOG_DIS("pcmpeq r%d r%d r%d\n", dc->rd, dc->ra, dc->rb);
if (dc->rd) {
- tcg_gen_setcond_tl(TCG_COND_EQ, cpu_R[dc->rd],
+ tcg_gen_setcond_i32(TCG_COND_EQ, cpu_R[dc->rd],
cpu_R[dc->ra], cpu_R[dc->rb]);
}
break;
case 3:
LOG_DIS("pcmpne r%d r%d r%d\n", dc->rd, dc->ra, dc->rb);
if (dc->rd) {
- tcg_gen_setcond_tl(TCG_COND_NE, cpu_R[dc->rd],
+ tcg_gen_setcond_i32(TCG_COND_NE, cpu_R[dc->rd],
cpu_R[dc->ra], cpu_R[dc->rb]);
}
break;
@@ -381,9 +406,9 @@ static void dec_and(DisasContext *dc)
return;
if (not) {
- tcg_gen_andc_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
+ tcg_gen_andc_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
} else
- tcg_gen_and_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
+ tcg_gen_and_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
static void dec_or(DisasContext *dc)
@@ -395,7 +420,7 @@ static void dec_or(DisasContext *dc)
LOG_DIS("or r%d r%d r%d imm=%x\n", dc->rd, dc->ra, dc->rb, dc->imm);
if (dc->rd)
- tcg_gen_or_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
+ tcg_gen_or_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
static void dec_xor(DisasContext *dc)
@@ -407,43 +432,54 @@ static void dec_xor(DisasContext *dc)
LOG_DIS("xor r%d\n", dc->rd);
if (dc->rd)
- tcg_gen_xor_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
+ tcg_gen_xor_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
-static inline void msr_read(DisasContext *dc, TCGv d)
+static inline void msr_read(DisasContext *dc, TCGv_i32 d)
{
- tcg_gen_mov_tl(d, cpu_SR[SR_MSR]);
+ tcg_gen_extrl_i64_i32(d, cpu_SR[SR_MSR]);
}
-static inline void msr_write(DisasContext *dc, TCGv v)
+static inline void msr_write(DisasContext *dc, TCGv_i32 v)
{
- TCGv t;
+ TCGv_i64 t;
- t = tcg_temp_new();
+ t = tcg_temp_new_i64();
dc->cpustate_changed = 1;
/* PVR bit is not writable. */
- tcg_gen_andi_tl(t, v, ~MSR_PVR);
- tcg_gen_andi_tl(cpu_SR[SR_MSR], cpu_SR[SR_MSR], MSR_PVR);
- tcg_gen_or_tl(cpu_SR[SR_MSR], cpu_SR[SR_MSR], t);
- tcg_temp_free(t);
+ tcg_gen_extu_i32_i64(t, v);
+ tcg_gen_andi_i64(t, t, ~MSR_PVR);
+ tcg_gen_andi_i64(cpu_SR[SR_MSR], cpu_SR[SR_MSR], MSR_PVR);
+ tcg_gen_or_i64(cpu_SR[SR_MSR], cpu_SR[SR_MSR], t);
+ tcg_temp_free_i64(t);
}
static void dec_msr(DisasContext *dc)
{
CPUState *cs = CPU(dc->cpu);
- TCGv t0, t1;
- unsigned int sr, to, rn;
- int mem_index = cpu_mmu_index(&dc->cpu->env, false);
+ TCGv_i32 t0, t1;
+ unsigned int sr, rn;
+ bool to, clrset, extended = false;
- sr = dc->imm & ((1 << 14) - 1);
- to = dc->imm & (1 << 14);
+ sr = extract32(dc->imm, 0, 14);
+ to = extract32(dc->imm, 14, 1);
+ clrset = extract32(dc->imm, 15, 1) == 0;
dc->type_b = 1;
- if (to)
+ if (to) {
dc->cpustate_changed = 1;
+ }
+
+ /* Extended MSRs are only available if addr_size > 32. */
+ if (dc->cpu->cfg.addr_size > 32) {
+ /* The E-bit is encoded differently for To/From MSR. */
+ static const unsigned int e_bit[] = { 19, 24 };
+
+ extended = extract32(dc->imm, e_bit[to], 1);
+ }
/* msrclr and msrset. */
- if (!(dc->imm & (1 << 15))) {
- unsigned int clr = dc->ir & (1 << 16);
+ if (clrset) {
+ bool clr = extract32(dc->ir, 16, 1);
LOG_DIS("msr%s r%d imm=%x\n", clr ? "clr" : "set",
dc->rd, dc->imm);
@@ -453,52 +489,51 @@ static void dec_msr(DisasContext *dc)
return;
}
- if ((dc->tb_flags & MSR_EE_FLAG)
- && mem_index == MMU_USER_IDX && (dc->imm != 4 && dc->imm != 0)) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_userspace(dc, dc->imm != 4 && dc->imm != 0)) {
return;
}
if (dc->rd)
msr_read(dc, cpu_R[dc->rd]);
- t0 = tcg_temp_new();
- t1 = tcg_temp_new();
+ t0 = tcg_temp_new_i32();
+ t1 = tcg_temp_new_i32();
msr_read(dc, t0);
- tcg_gen_mov_tl(t1, *(dec_alu_op_b(dc)));
+ tcg_gen_mov_i32(t1, *(dec_alu_op_b(dc)));
if (clr) {
- tcg_gen_not_tl(t1, t1);
- tcg_gen_and_tl(t0, t0, t1);
+ tcg_gen_not_i32(t1, t1);
+ tcg_gen_and_i32(t0, t0, t1);
} else
- tcg_gen_or_tl(t0, t0, t1);
+ tcg_gen_or_i32(t0, t0, t1);
msr_write(dc, t0);
- tcg_temp_free(t0);
- tcg_temp_free(t1);
- tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc + 4);
+ tcg_temp_free_i32(t0);
+ tcg_temp_free_i32(t1);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], dc->pc + 4);
dc->is_jmp = DISAS_UPDATE;
return;
}
- if (to) {
- if ((dc->tb_flags & MSR_EE_FLAG)
- && mem_index == MMU_USER_IDX) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
- return;
- }
+ if (trap_userspace(dc, to)) {
+ return;
}
#if !defined(CONFIG_USER_ONLY)
/* Catch read/writes to the mmu block. */
if ((sr & ~0xff) == 0x1000) {
+ TCGv_i32 tmp_ext = tcg_const_i32(extended);
+ TCGv_i32 tmp_sr;
+
sr &= 7;
+ tmp_sr = tcg_const_i32(sr);
LOG_DIS("m%ss sr%d r%d imm=%x\n", to ? "t" : "f", sr, dc->ra, dc->imm);
- if (to)
- gen_helper_mmu_write(cpu_env, tcg_const_tl(sr), cpu_R[dc->ra]);
- else
- gen_helper_mmu_read(cpu_R[dc->rd], cpu_env, tcg_const_tl(sr));
+ if (to) {
+ gen_helper_mmu_write(cpu_env, tmp_ext, tmp_sr, cpu_R[dc->ra]);
+ } else {
+ gen_helper_mmu_read(cpu_R[dc->rd], cpu_env, tmp_ext, tmp_sr);
+ }
+ tcg_temp_free_i32(tmp_sr);
+ tcg_temp_free_i32(tmp_ext);
return;
}
#endif
@@ -511,20 +546,18 @@ static void dec_msr(DisasContext *dc)
case 1:
msr_write(dc, cpu_R[dc->ra]);
break;
- case 0x3:
- tcg_gen_mov_tl(cpu_SR[SR_EAR], cpu_R[dc->ra]);
- break;
- case 0x5:
- tcg_gen_mov_tl(cpu_SR[SR_ESR], cpu_R[dc->ra]);
- break;
- case 0x7:
- tcg_gen_andi_tl(cpu_SR[SR_FSR], cpu_R[dc->ra], 31);
+ case SR_EAR:
+ case SR_ESR:
+ case SR_FSR:
+ tcg_gen_extu_i32_i64(cpu_SR[sr], cpu_R[dc->ra]);
break;
case 0x800:
- tcg_gen_st_tl(cpu_R[dc->ra], cpu_env, offsetof(CPUMBState, slr));
+ tcg_gen_st_i32(cpu_R[dc->ra],
+ cpu_env, offsetof(CPUMBState, slr));
break;
case 0x802:
- tcg_gen_st_tl(cpu_R[dc->ra], cpu_env, offsetof(CPUMBState, shr));
+ tcg_gen_st_i32(cpu_R[dc->ra],
+ cpu_env, offsetof(CPUMBState, shr));
break;
default:
cpu_abort(CPU(dc->cpu), "unknown mts reg %x\n", sr);
@@ -535,44 +568,32 @@ static void dec_msr(DisasContext *dc)
switch (sr) {
case 0:
- tcg_gen_movi_tl(cpu_R[dc->rd], dc->pc);
+ tcg_gen_movi_i32(cpu_R[dc->rd], dc->pc);
break;
case 1:
msr_read(dc, cpu_R[dc->rd]);
break;
- case 0x3:
- tcg_gen_mov_tl(cpu_R[dc->rd], cpu_SR[SR_EAR]);
- break;
- case 0x5:
- tcg_gen_mov_tl(cpu_R[dc->rd], cpu_SR[SR_ESR]);
- break;
- case 0x7:
- tcg_gen_mov_tl(cpu_R[dc->rd], cpu_SR[SR_FSR]);
- break;
- case 0xb:
- tcg_gen_mov_tl(cpu_R[dc->rd], cpu_SR[SR_BTR]);
+ case SR_EAR:
+ if (extended) {
+ tcg_gen_extrh_i64_i32(cpu_R[dc->rd], cpu_SR[sr]);
+ break;
+ }
+ case SR_ESR:
+ case SR_FSR:
+ case SR_BTR:
+ tcg_gen_extrl_i64_i32(cpu_R[dc->rd], cpu_SR[sr]);
break;
case 0x800:
- tcg_gen_ld_tl(cpu_R[dc->rd], cpu_env, offsetof(CPUMBState, slr));
+ tcg_gen_ld_i32(cpu_R[dc->rd],
+ cpu_env, offsetof(CPUMBState, slr));
break;
case 0x802:
- tcg_gen_ld_tl(cpu_R[dc->rd], cpu_env, offsetof(CPUMBState, shr));
+ tcg_gen_ld_i32(cpu_R[dc->rd],
+ cpu_env, offsetof(CPUMBState, shr));
break;
- case 0x2000:
- case 0x2001:
- case 0x2002:
- case 0x2003:
- case 0x2004:
- case 0x2005:
- case 0x2006:
- case 0x2007:
- case 0x2008:
- case 0x2009:
- case 0x200a:
- case 0x200b:
- case 0x200c:
+ case 0x2000 ... 0x200c:
rn = sr & 0xf;
- tcg_gen_ld_tl(cpu_R[dc->rd],
+ tcg_gen_ld_i32(cpu_R[dc->rd],
cpu_env, offsetof(CPUMBState, pvr.regs[rn]));
break;
default:
@@ -582,21 +603,17 @@ static void dec_msr(DisasContext *dc)
}
if (dc->rd == 0) {
- tcg_gen_movi_tl(cpu_R[0], 0);
+ tcg_gen_movi_i32(cpu_R[0], 0);
}
}
/* Multiplier unit. */
static void dec_mul(DisasContext *dc)
{
- TCGv tmp;
+ TCGv_i32 tmp;
unsigned int subcode;
- if ((dc->tb_flags & MSR_EE_FLAG)
- && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
- && !dc->cpu->cfg.use_hw_mul) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_illegal(dc, !dc->cpu->cfg.use_hw_mul)) {
return;
}
@@ -604,7 +621,7 @@ static void dec_mul(DisasContext *dc)
if (dc->type_b) {
LOG_DIS("muli r%d r%d %x\n", dc->rd, dc->ra, dc->imm);
- tcg_gen_mul_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
+ tcg_gen_mul_i32(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
return;
}
@@ -613,29 +630,31 @@ static void dec_mul(DisasContext *dc)
/* nop??? */
}
- tmp = tcg_temp_new();
+ tmp = tcg_temp_new_i32();
switch (subcode) {
case 0:
LOG_DIS("mul r%d r%d r%d\n", dc->rd, dc->ra, dc->rb);
- tcg_gen_mul_tl(cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
+ tcg_gen_mul_i32(cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
break;
case 1:
LOG_DIS("mulh r%d r%d r%d\n", dc->rd, dc->ra, dc->rb);
- tcg_gen_muls2_tl(tmp, cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
+ tcg_gen_muls2_i32(tmp, cpu_R[dc->rd],
+ cpu_R[dc->ra], cpu_R[dc->rb]);
break;
case 2:
LOG_DIS("mulhsu r%d r%d r%d\n", dc->rd, dc->ra, dc->rb);
- tcg_gen_mulsu2_tl(tmp, cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
+ tcg_gen_mulsu2_i32(tmp, cpu_R[dc->rd],
+ cpu_R[dc->ra], cpu_R[dc->rb]);
break;
case 3:
LOG_DIS("mulhu r%d r%d r%d\n", dc->rd, dc->ra, dc->rb);
- tcg_gen_mulu2_tl(tmp, cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
+ tcg_gen_mulu2_i32(tmp, cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
break;
default:
cpu_abort(CPU(dc->cpu), "unknown MUL insn %x\n", subcode);
break;
}
- tcg_temp_free(tmp);
+ tcg_temp_free_i32(tmp);
}
/* Div unit. */
@@ -646,10 +665,8 @@ static void dec_div(DisasContext *dc)
u = dc->imm & 2;
LOG_DIS("div\n");
- if ((dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
- && !dc->cpu->cfg.use_div) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_illegal(dc, !dc->cpu->cfg.use_div)) {
+ return;
}
if (u)
@@ -659,20 +676,16 @@ static void dec_div(DisasContext *dc)
gen_helper_divs(cpu_R[dc->rd], cpu_env, *(dec_alu_op_b(dc)),
cpu_R[dc->ra]);
if (!dc->rd)
- tcg_gen_movi_tl(cpu_R[dc->rd], 0);
+ tcg_gen_movi_i32(cpu_R[dc->rd], 0);
}
static void dec_barrel(DisasContext *dc)
{
- TCGv t0;
+ TCGv_i32 t0;
unsigned int imm_w, imm_s;
bool s, t, e = false, i = false;
- if ((dc->tb_flags & MSR_EE_FLAG)
- && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
- && !dc->cpu->cfg.use_barrel) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_illegal(dc, !dc->cpu->cfg.use_barrel)) {
return;
}
@@ -710,45 +723,45 @@ static void dec_barrel(DisasContext *dc)
imm_s, width);
}
} else {
- t0 = tcg_temp_new();
+ t0 = tcg_temp_new_i32();
- tcg_gen_mov_tl(t0, *(dec_alu_op_b(dc)));
- tcg_gen_andi_tl(t0, t0, 31);
+ tcg_gen_mov_i32(t0, *(dec_alu_op_b(dc)));
+ tcg_gen_andi_i32(t0, t0, 31);
if (s) {
- tcg_gen_shl_tl(cpu_R[dc->rd], cpu_R[dc->ra], t0);
+ tcg_gen_shl_i32(cpu_R[dc->rd], cpu_R[dc->ra], t0);
} else {
if (t) {
- tcg_gen_sar_tl(cpu_R[dc->rd], cpu_R[dc->ra], t0);
+ tcg_gen_sar_i32(cpu_R[dc->rd], cpu_R[dc->ra], t0);
} else {
- tcg_gen_shr_tl(cpu_R[dc->rd], cpu_R[dc->ra], t0);
+ tcg_gen_shr_i32(cpu_R[dc->rd], cpu_R[dc->ra], t0);
}
}
- tcg_temp_free(t0);
+ tcg_temp_free_i32(t0);
}
}
static void dec_bit(DisasContext *dc)
{
CPUState *cs = CPU(dc->cpu);
- TCGv t0;
+ TCGv_i32 t0;
unsigned int op;
- int mem_index = cpu_mmu_index(&dc->cpu->env, false);
op = dc->ir & ((1 << 9) - 1);
switch (op) {
case 0x21:
/* src. */
- t0 = tcg_temp_new();
+ t0 = tcg_temp_new_i32();
LOG_DIS("src r%d r%d\n", dc->rd, dc->ra);
- tcg_gen_andi_tl(t0, cpu_SR[SR_MSR], MSR_CC);
+ tcg_gen_extrl_i64_i32(t0, cpu_SR[SR_MSR]);
+ tcg_gen_andi_i32(t0, t0, MSR_CC);
write_carry(dc, cpu_R[dc->ra]);
if (dc->rd) {
- tcg_gen_shri_tl(cpu_R[dc->rd], cpu_R[dc->ra], 1);
- tcg_gen_or_tl(cpu_R[dc->rd], cpu_R[dc->rd], t0);
+ tcg_gen_shri_i32(cpu_R[dc->rd], cpu_R[dc->ra], 1);
+ tcg_gen_or_i32(cpu_R[dc->rd], cpu_R[dc->rd], t0);
}
- tcg_temp_free(t0);
+ tcg_temp_free_i32(t0);
break;
case 0x1:
@@ -760,9 +773,9 @@ static void dec_bit(DisasContext *dc)
write_carry(dc, cpu_R[dc->ra]);
if (dc->rd) {
if (op == 0x41)
- tcg_gen_shri_tl(cpu_R[dc->rd], cpu_R[dc->ra], 1);
+ tcg_gen_shri_i32(cpu_R[dc->rd], cpu_R[dc->ra], 1);
else
- tcg_gen_sari_tl(cpu_R[dc->rd], cpu_R[dc->ra], 1);
+ tcg_gen_sari_i32(cpu_R[dc->rd], cpu_R[dc->ra], 1);
}
break;
case 0x60:
@@ -779,29 +792,16 @@ static void dec_bit(DisasContext *dc)
case 0x76:
/* wdc. */
LOG_DIS("wdc r%d\n", dc->ra);
- if ((dc->tb_flags & MSR_EE_FLAG)
- && mem_index == MMU_USER_IDX) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
- return;
- }
+ trap_userspace(dc, true);
break;
case 0x68:
/* wic. */
LOG_DIS("wic r%d\n", dc->ra);
- if ((dc->tb_flags & MSR_EE_FLAG)
- && mem_index == MMU_USER_IDX) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
- return;
- }
+ trap_userspace(dc, true);
break;
case 0xe0:
- if ((dc->tb_flags & MSR_EE_FLAG)
- && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
- && !dc->cpu->cfg.use_pcmp_instr) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_illegal(dc, !dc->cpu->cfg.use_pcmp_instr)) {
+ return;
}
if (dc->cpu->cfg.use_pcmp_instr) {
tcg_gen_clzi_i32(cpu_R[dc->rd], cpu_R[dc->ra], 32);
@@ -828,101 +828,128 @@ static inline void sync_jmpstate(DisasContext *dc)
{
if (dc->jmp == JMP_DIRECT || dc->jmp == JMP_DIRECT_CC) {
if (dc->jmp == JMP_DIRECT) {
- tcg_gen_movi_tl(env_btaken, 1);
+ tcg_gen_movi_i32(env_btaken, 1);
}
dc->jmp = JMP_INDIRECT;
- tcg_gen_movi_tl(env_btarget, dc->jmp_pc);
+ tcg_gen_movi_i64(env_btarget, dc->jmp_pc);
}
}
static void dec_imm(DisasContext *dc)
{
LOG_DIS("imm %x\n", dc->imm << 16);
- tcg_gen_movi_tl(env_imm, (dc->imm << 16));
+ tcg_gen_movi_i32(env_imm, (dc->imm << 16));
dc->tb_flags |= IMM_FLAG;
dc->clear_imm = 0;
}
-static inline TCGv *compute_ldst_addr(DisasContext *dc, TCGv *t)
+static inline void compute_ldst_addr(DisasContext *dc, bool ea, TCGv t)
{
- unsigned int extimm = dc->tb_flags & IMM_FLAG;
- /* Should be set to one if r1 is used by loadstores. */
- int stackprot = 0;
+ bool extimm = dc->tb_flags & IMM_FLAG;
+ /* Should be set to true if r1 is used by loadstores. */
+ bool stackprot = false;
+ TCGv_i32 t32;
/* All load/stores use ra. */
if (dc->ra == 1 && dc->cpu->cfg.stackprot) {
- stackprot = 1;
+ stackprot = true;
}
/* Treat the common cases first. */
if (!dc->type_b) {
- /* If any of the regs is r0, return a ptr to the other. */
+ if (ea) {
+ int addr_size = dc->cpu->cfg.addr_size;
+
+ if (addr_size == 32) {
+ tcg_gen_extu_i32_tl(t, cpu_R[dc->rb]);
+ return;
+ }
+
+ tcg_gen_concat_i32_i64(t, cpu_R[dc->rb], cpu_R[dc->ra]);
+ if (addr_size < 64) {
+ /* Mask off out of range bits. */
+ tcg_gen_andi_i64(t, t, MAKE_64BIT_MASK(0, addr_size));
+ }
+ return;
+ }
+
+ /* If any of the regs is r0, set t to the value of the other reg. */
if (dc->ra == 0) {
- return &cpu_R[dc->rb];
+ tcg_gen_extu_i32_tl(t, cpu_R[dc->rb]);
+ return;
} else if (dc->rb == 0) {
- return &cpu_R[dc->ra];
+ tcg_gen_extu_i32_tl(t, cpu_R[dc->ra]);
+ return;
}
if (dc->rb == 1 && dc->cpu->cfg.stackprot) {
- stackprot = 1;
+ stackprot = true;
}
- *t = tcg_temp_new();
- tcg_gen_add_tl(*t, cpu_R[dc->ra], cpu_R[dc->rb]);
+ t32 = tcg_temp_new_i32();
+ tcg_gen_add_i32(t32, cpu_R[dc->ra], cpu_R[dc->rb]);
+ tcg_gen_extu_i32_tl(t, t32);
+ tcg_temp_free_i32(t32);
if (stackprot) {
- gen_helper_stackprot(cpu_env, *t);
+ gen_helper_stackprot(cpu_env, t);
}
- return t;
+ return;
}
/* Immediate. */
+ t32 = tcg_temp_new_i32();
if (!extimm) {
- if (dc->imm == 0) {
- return &cpu_R[dc->ra];
- }
- *t = tcg_temp_new();
- tcg_gen_movi_tl(*t, (int32_t)((int16_t)dc->imm));
- tcg_gen_add_tl(*t, cpu_R[dc->ra], *t);
+ tcg_gen_addi_i32(t32, cpu_R[dc->ra], (int16_t)dc->imm);
} else {
- *t = tcg_temp_new();
- tcg_gen_add_tl(*t, cpu_R[dc->ra], *(dec_alu_op_b(dc)));
+ tcg_gen_add_i32(t32, cpu_R[dc->ra], *(dec_alu_op_b(dc)));
}
+ tcg_gen_extu_i32_tl(t, t32);
+ tcg_temp_free_i32(t32);
if (stackprot) {
- gen_helper_stackprot(cpu_env, *t);
+ gen_helper_stackprot(cpu_env, t);
}
- return t;
+ return;
}
static void dec_load(DisasContext *dc)
{
- TCGv t, v, *addr;
- unsigned int size, rev = 0, ex = 0;
+ TCGv_i32 v;
+ TCGv addr;
+ unsigned int size;
+ bool rev = false, ex = false, ea = false;
+ int mem_index = cpu_mmu_index(&dc->cpu->env, false);
TCGMemOp mop;
mop = dc->opcode & 3;
size = 1 << mop;
if (!dc->type_b) {
- rev = (dc->ir >> 9) & 1;
- ex = (dc->ir >> 10) & 1;
+ ea = extract32(dc->ir, 7, 1);
+ rev = extract32(dc->ir, 9, 1);
+ ex = extract32(dc->ir, 10, 1);
}
mop |= MO_TE;
if (rev) {
mop ^= MO_BSWAP;
}
- if (size > 4 && (dc->tb_flags & MSR_EE_FLAG)
- && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_illegal(dc, size > 4)) {
return;
}
- LOG_DIS("l%d%s%s%s\n", size, dc->type_b ? "i" : "", rev ? "r" : "",
- ex ? "x" : "");
+ if (trap_userspace(dc, ea)) {
+ return;
+ }
+
+ LOG_DIS("l%d%s%s%s%s\n", size, dc->type_b ? "i" : "", rev ? "r" : "",
+ ex ? "x" : "",
+ ea ? "ea" : "");
t_sync_flags(dc);
- addr = compute_ldst_addr(dc, &t);
+ addr = tcg_temp_new();
+ compute_ldst_addr(dc, ea, addr);
+ /* Extended addressing bypasses the MMU. */
+ mem_index = ea ? MMU_NOMMU_IDX : mem_index;
/*
* When doing reverse accesses we need to do two things.
@@ -941,17 +968,10 @@ static void dec_load(DisasContext *dc)
11 -> 00 */
TCGv low = tcg_temp_new();
- /* Force addr into the temp. */
- if (addr != &t) {
- t = tcg_temp_new();
- tcg_gen_mov_tl(t, *addr);
- addr = &t;
- }
-
- tcg_gen_andi_tl(low, t, 3);
+ tcg_gen_andi_tl(low, addr, 3);
tcg_gen_sub_tl(low, tcg_const_tl(3), low);
- tcg_gen_andi_tl(t, t, ~3);
- tcg_gen_or_tl(t, t, low);
+ tcg_gen_andi_tl(addr, addr, ~3);
+ tcg_gen_or_tl(addr, addr, low);
tcg_temp_free(low);
break;
}
@@ -959,14 +979,7 @@ static void dec_load(DisasContext *dc)
case 2:
/* 00 -> 10
10 -> 00. */
- /* Force addr into the temp. */
- if (addr != &t) {
- t = tcg_temp_new();
- tcg_gen_xori_tl(t, *addr, 2);
- addr = &t;
- } else {
- tcg_gen_xori_tl(t, t, 2);
- }
+ tcg_gen_xori_tl(addr, addr, 2);
break;
default:
cpu_abort(CPU(dc->cpu), "Invalid reverse size\n");
@@ -976,13 +989,7 @@ static void dec_load(DisasContext *dc)
/* lwx does not throw unaligned access errors, so force alignment */
if (ex) {
- /* Force addr into the temp. */
- if (addr != &t) {
- t = tcg_temp_new();
- tcg_gen_mov_tl(t, *addr);
- addr = &t;
- }
- tcg_gen_andi_tl(t, t, ~3);
+ tcg_gen_andi_tl(addr, addr, ~3);
}
/* If we get a fault on a dslot, the jmpstate better be in sync. */
@@ -995,90 +1002,92 @@ static void dec_load(DisasContext *dc)
* into v. If the load succeeds, we verify alignment of the
* address and if that succeeds we write into the destination reg.
*/
- v = tcg_temp_new();
- tcg_gen_qemu_ld_tl(v, *addr, cpu_mmu_index(&dc->cpu->env, false), mop);
+ v = tcg_temp_new_i32();
+ tcg_gen_qemu_ld_i32(v, addr, mem_index, mop);
if ((dc->cpu->env.pvr.regs[2] & PVR2_UNALIGNED_EXC_MASK) && size > 1) {
- tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
- gen_helper_memalign(cpu_env, *addr, tcg_const_tl(dc->rd),
- tcg_const_tl(0), tcg_const_tl(size - 1));
+ tcg_gen_movi_i64(cpu_SR[SR_PC], dc->pc);
+ gen_helper_memalign(cpu_env, addr, tcg_const_i32(dc->rd),
+ tcg_const_i32(0), tcg_const_i32(size - 1));
}
if (ex) {
- tcg_gen_mov_tl(env_res_addr, *addr);
- tcg_gen_mov_tl(env_res_val, v);
+ tcg_gen_mov_tl(env_res_addr, addr);
+ tcg_gen_mov_i32(env_res_val, v);
}
if (dc->rd) {
- tcg_gen_mov_tl(cpu_R[dc->rd], v);
+ tcg_gen_mov_i32(cpu_R[dc->rd], v);
}
- tcg_temp_free(v);
+ tcg_temp_free_i32(v);
if (ex) { /* lwx */
/* no support for AXI exclusive so always clear C */
write_carryi(dc, 0);
}
- if (addr == &t)
- tcg_temp_free(t);
+ tcg_temp_free(addr);
}
static void dec_store(DisasContext *dc)
{
- TCGv t, *addr, swx_addr;
+ TCGv addr;
TCGLabel *swx_skip = NULL;
- unsigned int size, rev = 0, ex = 0;
+ unsigned int size;
+ bool rev = false, ex = false, ea = false;
+ int mem_index = cpu_mmu_index(&dc->cpu->env, false);
TCGMemOp mop;
mop = dc->opcode & 3;
size = 1 << mop;
if (!dc->type_b) {
- rev = (dc->ir >> 9) & 1;
- ex = (dc->ir >> 10) & 1;
+ ea = extract32(dc->ir, 7, 1);
+ rev = extract32(dc->ir, 9, 1);
+ ex = extract32(dc->ir, 10, 1);
}
mop |= MO_TE;
if (rev) {
mop ^= MO_BSWAP;
}
- if (size > 4 && (dc->tb_flags & MSR_EE_FLAG)
- && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_illegal(dc, size > 4)) {
return;
}
- LOG_DIS("s%d%s%s%s\n", size, dc->type_b ? "i" : "", rev ? "r" : "",
- ex ? "x" : "");
+ trap_userspace(dc, ea);
+
+ LOG_DIS("s%d%s%s%s%s\n", size, dc->type_b ? "i" : "", rev ? "r" : "",
+ ex ? "x" : "",
+ ea ? "ea" : "");
t_sync_flags(dc);
/* If we get a fault on a dslot, the jmpstate better be in sync. */
sync_jmpstate(dc);
- addr = compute_ldst_addr(dc, &t);
+ /* SWX needs a temp_local. */
+ addr = ex ? tcg_temp_local_new() : tcg_temp_new();
+ compute_ldst_addr(dc, ea, addr);
+ /* Extended addressing bypasses the MMU. */
+ mem_index = ea ? MMU_NOMMU_IDX : mem_index;
- swx_addr = tcg_temp_local_new();
if (ex) { /* swx */
- TCGv tval;
+ TCGv_i32 tval;
- /* Force addr into the swx_addr. */
- tcg_gen_mov_tl(swx_addr, *addr);
- addr = &swx_addr;
/* swx does not throw unaligned access errors, so force alignment */
- tcg_gen_andi_tl(swx_addr, swx_addr, ~3);
+ tcg_gen_andi_tl(addr, addr, ~3);
write_carryi(dc, 1);
swx_skip = gen_new_label();
- tcg_gen_brcond_tl(TCG_COND_NE, env_res_addr, swx_addr, swx_skip);
+ tcg_gen_brcond_tl(TCG_COND_NE, env_res_addr, addr, swx_skip);
/* Compare the value loaded at lwx with current contents of
the reserved location.
FIXME: This only works for system emulation where we can expect
this compare and the following write to be atomic. For user
emulation we need to add atomicity between threads. */
- tval = tcg_temp_new();
- tcg_gen_qemu_ld_tl(tval, swx_addr, cpu_mmu_index(&dc->cpu->env, false),
- MO_TEUL);
- tcg_gen_brcond_tl(TCG_COND_NE, env_res_val, tval, swx_skip);
+ tval = tcg_temp_new_i32();
+ tcg_gen_qemu_ld_i32(tval, addr, cpu_mmu_index(&dc->cpu->env, false),
+ MO_TEUL);
+ tcg_gen_brcond_i32(TCG_COND_NE, env_res_val, tval, swx_skip);
write_carryi(dc, 0);
- tcg_temp_free(tval);
+ tcg_temp_free_i32(tval);
}
if (rev && size != 4) {
@@ -1092,17 +1101,10 @@ static void dec_store(DisasContext *dc)
11 -> 00 */
TCGv low = tcg_temp_new();
- /* Force addr into the temp. */
- if (addr != &t) {
- t = tcg_temp_new();
- tcg_gen_mov_tl(t, *addr);
- addr = &t;
- }
-
- tcg_gen_andi_tl(low, t, 3);
+ tcg_gen_andi_tl(low, addr, 3);
tcg_gen_sub_tl(low, tcg_const_tl(3), low);
- tcg_gen_andi_tl(t, t, ~3);
- tcg_gen_or_tl(t, t, low);
+ tcg_gen_andi_tl(addr, addr, ~3);
+ tcg_gen_or_tl(addr, addr, low);
tcg_temp_free(low);
break;
}
@@ -1111,79 +1113,74 @@ static void dec_store(DisasContext *dc)
/* 00 -> 10
10 -> 00. */
/* Force addr into the temp. */
- if (addr != &t) {
- t = tcg_temp_new();
- tcg_gen_xori_tl(t, *addr, 2);
- addr = &t;
- } else {
- tcg_gen_xori_tl(t, t, 2);
- }
+ tcg_gen_xori_tl(addr, addr, 2);
break;
default:
cpu_abort(CPU(dc->cpu), "Invalid reverse size\n");
break;
}
}
- tcg_gen_qemu_st_tl(cpu_R[dc->rd], *addr, cpu_mmu_index(&dc->cpu->env, false), mop);
+ tcg_gen_qemu_st_i32(cpu_R[dc->rd], addr, mem_index, mop);
/* Verify alignment if needed. */
if ((dc->cpu->env.pvr.regs[2] & PVR2_UNALIGNED_EXC_MASK) && size > 1) {
- tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], dc->pc);
/* FIXME: if the alignment is wrong, we should restore the value
* in memory. One possible way to achieve this is to probe
* the MMU prior to the memaccess, thay way we could put
* the alignment checks in between the probe and the mem
* access.
*/
- gen_helper_memalign(cpu_env, *addr, tcg_const_tl(dc->rd),
- tcg_const_tl(1), tcg_const_tl(size - 1));
+ gen_helper_memalign(cpu_env, addr, tcg_const_i32(dc->rd),
+ tcg_const_i32(1), tcg_const_i32(size - 1));
}
if (ex) {
gen_set_label(swx_skip);
}
- tcg_temp_free(swx_addr);
- if (addr == &t)
- tcg_temp_free(t);
+ tcg_temp_free(addr);
}
static inline void eval_cc(DisasContext *dc, unsigned int cc,
- TCGv d, TCGv a, TCGv b)
+ TCGv_i32 d, TCGv_i32 a)
{
+ static const int mb_to_tcg_cc[] = {
+ [CC_EQ] = TCG_COND_EQ,
+ [CC_NE] = TCG_COND_NE,
+ [CC_LT] = TCG_COND_LT,
+ [CC_LE] = TCG_COND_LE,
+ [CC_GE] = TCG_COND_GE,
+ [CC_GT] = TCG_COND_GT,
+ };
+
switch (cc) {
- case CC_EQ:
- tcg_gen_setcond_tl(TCG_COND_EQ, d, a, b);
- break;
- case CC_NE:
- tcg_gen_setcond_tl(TCG_COND_NE, d, a, b);
- break;
- case CC_LT:
- tcg_gen_setcond_tl(TCG_COND_LT, d, a, b);
- break;
- case CC_LE:
- tcg_gen_setcond_tl(TCG_COND_LE, d, a, b);
- break;
- case CC_GE:
- tcg_gen_setcond_tl(TCG_COND_GE, d, a, b);
- break;
- case CC_GT:
- tcg_gen_setcond_tl(TCG_COND_GT, d, a, b);
- break;
- default:
- cpu_abort(CPU(dc->cpu), "Unknown condition code %x.\n", cc);
- break;
+ case CC_EQ:
+ case CC_NE:
+ case CC_LT:
+ case CC_LE:
+ case CC_GE:
+ case CC_GT:
+ tcg_gen_setcondi_i32(mb_to_tcg_cc[cc], d, a, 0);
+ break;
+ default:
+ cpu_abort(CPU(dc->cpu), "Unknown condition code %x.\n", cc);
+ break;
}
}
-static void eval_cond_jmp(DisasContext *dc, TCGv pc_true, TCGv pc_false)
+static void eval_cond_jmp(DisasContext *dc, TCGv_i64 pc_true, TCGv_i64 pc_false)
{
- TCGLabel *l1 = gen_new_label();
- /* Conditional jmp. */
- tcg_gen_mov_tl(cpu_SR[SR_PC], pc_false);
- tcg_gen_brcondi_tl(TCG_COND_EQ, env_btaken, 0, l1);
- tcg_gen_mov_tl(cpu_SR[SR_PC], pc_true);
- gen_set_label(l1);
+ TCGv_i64 tmp_btaken = tcg_temp_new_i64();
+ TCGv_i64 tmp_zero = tcg_const_i64(0);
+
+ tcg_gen_extu_i32_i64(tmp_btaken, env_btaken);
+ tcg_gen_movcond_i64(TCG_COND_NE, cpu_SR[SR_PC],
+ tmp_btaken, tmp_zero,
+ pc_true, pc_false);
+
+ tcg_temp_free_i64(tmp_btaken);
+ tcg_temp_free_i64(tmp_zero);
}
static void dec_bcc(DisasContext *dc)
@@ -1199,28 +1196,28 @@ static void dec_bcc(DisasContext *dc)
if (dslot) {
dc->delayed_branch = 2;
dc->tb_flags |= D_FLAG;
- tcg_gen_st_tl(tcg_const_tl(dc->type_b && (dc->tb_flags & IMM_FLAG)),
+ tcg_gen_st_i32(tcg_const_i32(dc->type_b && (dc->tb_flags & IMM_FLAG)),
cpu_env, offsetof(CPUMBState, bimm));
}
if (dec_alu_op_b_is_small_imm(dc)) {
int32_t offset = (int32_t)((int16_t)dc->imm); /* sign-extend. */
- tcg_gen_movi_tl(env_btarget, dc->pc + offset);
+ tcg_gen_movi_i64(env_btarget, dc->pc + offset);
dc->jmp = JMP_DIRECT_CC;
dc->jmp_pc = dc->pc + offset;
} else {
dc->jmp = JMP_INDIRECT;
- tcg_gen_movi_tl(env_btarget, dc->pc);
- tcg_gen_add_tl(env_btarget, env_btarget, *(dec_alu_op_b(dc)));
+ tcg_gen_extu_i32_i64(env_btarget, *(dec_alu_op_b(dc)));
+ tcg_gen_addi_i64(env_btarget, env_btarget, dc->pc);
+ tcg_gen_andi_i64(env_btarget, env_btarget, UINT32_MAX);
}
- eval_cc(dc, cc, env_btaken, cpu_R[dc->ra], tcg_const_tl(0));
+ eval_cc(dc, cc, env_btaken, cpu_R[dc->ra]);
}
static void dec_br(DisasContext *dc)
{
unsigned int dslot, link, abs, mbar;
- int mem_index = cpu_mmu_index(&dc->cpu->env, false);
dslot = dc->ir & (1 << 20);
abs = dc->ir & (1 << 19);
@@ -1240,7 +1237,7 @@ static void dec_br(DisasContext *dc)
tcg_gen_st_i32(tmp_1, cpu_env,
-offsetof(MicroBlazeCPU, env)
+offsetof(CPUState, halted));
- tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc + 4);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], dc->pc + 4);
gen_helper_raise_exception(cpu_env, tmp_hlt);
tcg_temp_free_i32(tmp_hlt);
tcg_temp_free_i32(tmp_1);
@@ -1261,23 +1258,21 @@ static void dec_br(DisasContext *dc)
if (dslot) {
dc->delayed_branch = 2;
dc->tb_flags |= D_FLAG;
- tcg_gen_st_tl(tcg_const_tl(dc->type_b && (dc->tb_flags & IMM_FLAG)),
+ tcg_gen_st_i32(tcg_const_i32(dc->type_b && (dc->tb_flags & IMM_FLAG)),
cpu_env, offsetof(CPUMBState, bimm));
}
if (link && dc->rd)
- tcg_gen_movi_tl(cpu_R[dc->rd], dc->pc);
+ tcg_gen_movi_i32(cpu_R[dc->rd], dc->pc);
dc->jmp = JMP_INDIRECT;
if (abs) {
- tcg_gen_movi_tl(env_btaken, 1);
- tcg_gen_mov_tl(env_btarget, *(dec_alu_op_b(dc)));
+ tcg_gen_movi_i32(env_btaken, 1);
+ tcg_gen_extu_i32_i64(env_btarget, *(dec_alu_op_b(dc)));
if (link && !dslot) {
if (!(dc->tb_flags & IMM_FLAG) && (dc->imm == 8 || dc->imm == 0x18))
t_gen_raise_exception(dc, EXCP_BREAK);
if (dc->imm == 0) {
- if ((dc->tb_flags & MSR_EE_FLAG) && mem_index == MMU_USER_IDX) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_userspace(dc, true)) {
return;
}
@@ -1289,116 +1284,115 @@ static void dec_br(DisasContext *dc)
dc->jmp = JMP_DIRECT;
dc->jmp_pc = dc->pc + (int32_t)((int16_t)dc->imm);
} else {
- tcg_gen_movi_tl(env_btaken, 1);
- tcg_gen_movi_tl(env_btarget, dc->pc);
- tcg_gen_add_tl(env_btarget, env_btarget, *(dec_alu_op_b(dc)));
+ tcg_gen_movi_i32(env_btaken, 1);
+ tcg_gen_extu_i32_i64(env_btarget, *(dec_alu_op_b(dc)));
+ tcg_gen_addi_i64(env_btarget, env_btarget, dc->pc);
+ tcg_gen_andi_i64(env_btarget, env_btarget, UINT32_MAX);
}
}
}
static inline void do_rti(DisasContext *dc)
{
- TCGv t0, t1;
- t0 = tcg_temp_new();
- t1 = tcg_temp_new();
- tcg_gen_shri_tl(t0, cpu_SR[SR_MSR], 1);
- tcg_gen_ori_tl(t1, cpu_SR[SR_MSR], MSR_IE);
- tcg_gen_andi_tl(t0, t0, (MSR_VM | MSR_UM));
-
- tcg_gen_andi_tl(t1, t1, ~(MSR_VM | MSR_UM));
- tcg_gen_or_tl(t1, t1, t0);
+ TCGv_i32 t0, t1;
+ t0 = tcg_temp_new_i32();
+ t1 = tcg_temp_new_i32();
+ tcg_gen_extrl_i64_i32(t1, cpu_SR[SR_MSR]);
+ tcg_gen_shri_i32(t0, t1, 1);
+ tcg_gen_ori_i32(t1, t1, MSR_IE);
+ tcg_gen_andi_i32(t0, t0, (MSR_VM | MSR_UM));
+
+ tcg_gen_andi_i32(t1, t1, ~(MSR_VM | MSR_UM));
+ tcg_gen_or_i32(t1, t1, t0);
msr_write(dc, t1);
- tcg_temp_free(t1);
- tcg_temp_free(t0);
+ tcg_temp_free_i32(t1);
+ tcg_temp_free_i32(t0);
dc->tb_flags &= ~DRTI_FLAG;
}
static inline void do_rtb(DisasContext *dc)
{
- TCGv t0, t1;
- t0 = tcg_temp_new();
- t1 = tcg_temp_new();
- tcg_gen_andi_tl(t1, cpu_SR[SR_MSR], ~MSR_BIP);
- tcg_gen_shri_tl(t0, t1, 1);
- tcg_gen_andi_tl(t0, t0, (MSR_VM | MSR_UM));
-
- tcg_gen_andi_tl(t1, t1, ~(MSR_VM | MSR_UM));
- tcg_gen_or_tl(t1, t1, t0);
+ TCGv_i32 t0, t1;
+ t0 = tcg_temp_new_i32();
+ t1 = tcg_temp_new_i32();
+ tcg_gen_extrl_i64_i32(t1, cpu_SR[SR_MSR]);
+ tcg_gen_andi_i32(t1, t1, ~MSR_BIP);
+ tcg_gen_shri_i32(t0, t1, 1);
+ tcg_gen_andi_i32(t0, t0, (MSR_VM | MSR_UM));
+
+ tcg_gen_andi_i32(t1, t1, ~(MSR_VM | MSR_UM));
+ tcg_gen_or_i32(t1, t1, t0);
msr_write(dc, t1);
- tcg_temp_free(t1);
- tcg_temp_free(t0);
+ tcg_temp_free_i32(t1);
+ tcg_temp_free_i32(t0);
dc->tb_flags &= ~DRTB_FLAG;
}
static inline void do_rte(DisasContext *dc)
{
- TCGv t0, t1;
- t0 = tcg_temp_new();
- t1 = tcg_temp_new();
-
- tcg_gen_ori_tl(t1, cpu_SR[SR_MSR], MSR_EE);
- tcg_gen_andi_tl(t1, t1, ~MSR_EIP);
- tcg_gen_shri_tl(t0, t1, 1);
- tcg_gen_andi_tl(t0, t0, (MSR_VM | MSR_UM));
-
- tcg_gen_andi_tl(t1, t1, ~(MSR_VM | MSR_UM));
- tcg_gen_or_tl(t1, t1, t0);
+ TCGv_i32 t0, t1;
+ t0 = tcg_temp_new_i32();
+ t1 = tcg_temp_new_i32();
+
+ tcg_gen_extrl_i64_i32(t1, cpu_SR[SR_MSR]);
+ tcg_gen_ori_i32(t1, t1, MSR_EE);
+ tcg_gen_andi_i32(t1, t1, ~MSR_EIP);
+ tcg_gen_shri_i32(t0, t1, 1);
+ tcg_gen_andi_i32(t0, t0, (MSR_VM | MSR_UM));
+
+ tcg_gen_andi_i32(t1, t1, ~(MSR_VM | MSR_UM));
+ tcg_gen_or_i32(t1, t1, t0);
msr_write(dc, t1);
- tcg_temp_free(t1);
- tcg_temp_free(t0);
+ tcg_temp_free_i32(t1);
+ tcg_temp_free_i32(t0);
dc->tb_flags &= ~DRTE_FLAG;
}
static void dec_rts(DisasContext *dc)
{
unsigned int b_bit, i_bit, e_bit;
- int mem_index = cpu_mmu_index(&dc->cpu->env, false);
+ TCGv_i64 tmp64;
i_bit = dc->ir & (1 << 21);
b_bit = dc->ir & (1 << 22);
e_bit = dc->ir & (1 << 23);
+ if (trap_userspace(dc, i_bit || b_bit || e_bit)) {
+ return;
+ }
+
dc->delayed_branch = 2;
dc->tb_flags |= D_FLAG;
- tcg_gen_st_tl(tcg_const_tl(dc->type_b && (dc->tb_flags & IMM_FLAG)),
+ tcg_gen_st_i32(tcg_const_i32(dc->type_b && (dc->tb_flags & IMM_FLAG)),
cpu_env, offsetof(CPUMBState, bimm));
if (i_bit) {
LOG_DIS("rtid ir=%x\n", dc->ir);
- if ((dc->tb_flags & MSR_EE_FLAG)
- && mem_index == MMU_USER_IDX) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
- }
dc->tb_flags |= DRTI_FLAG;
} else if (b_bit) {
LOG_DIS("rtbd ir=%x\n", dc->ir);
- if ((dc->tb_flags & MSR_EE_FLAG)
- && mem_index == MMU_USER_IDX) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
- }
dc->tb_flags |= DRTB_FLAG;
} else if (e_bit) {
LOG_DIS("rted ir=%x\n", dc->ir);
- if ((dc->tb_flags & MSR_EE_FLAG)
- && mem_index == MMU_USER_IDX) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
- }
dc->tb_flags |= DRTE_FLAG;
} else
LOG_DIS("rts ir=%x\n", dc->ir);
dc->jmp = JMP_INDIRECT;
- tcg_gen_movi_tl(env_btaken, 1);
- tcg_gen_add_tl(env_btarget, cpu_R[dc->ra], *(dec_alu_op_b(dc)));
+ tcg_gen_movi_i32(env_btaken, 1);
+
+ tmp64 = tcg_temp_new_i64();
+ tcg_gen_extu_i32_i64(env_btarget, *(dec_alu_op_b(dc)));
+ tcg_gen_extu_i32_i64(tmp64, cpu_R[dc->ra]);
+ tcg_gen_add_i64(env_btarget, env_btarget, tmp64);
+ tcg_gen_andi_i64(env_btarget, env_btarget, UINT32_MAX);
+ tcg_temp_free_i64(tmp64);
}
static int dec_check_fpuv2(DisasContext *dc)
{
if ((dc->cpu->cfg.use_fpu != 2) && (dc->tb_flags & MSR_EE_FLAG)) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_FPU);
+ tcg_gen_movi_i64(cpu_SR[SR_ESR], ESR_EC_FPU);
t_gen_raise_exception(dc, EXCP_HW_EXCP);
}
return (dc->cpu->cfg.use_fpu == 2) ? 0 : PVR2_USE_FPU2_MASK;
@@ -1408,11 +1402,7 @@ static void dec_fpu(DisasContext *dc)
{
unsigned int fpu_insn;
- if ((dc->tb_flags & MSR_EE_FLAG)
- && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
- && !dc->cpu->cfg.use_fpu) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_illegal(dc, !dc->cpu->cfg.use_fpu)) {
return;
}
@@ -1511,10 +1501,7 @@ static void dec_fpu(DisasContext *dc)
static void dec_null(DisasContext *dc)
{
- if ((dc->tb_flags & MSR_EE_FLAG)
- && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_illegal(dc, true)) {
return;
}
qemu_log_mask(LOG_GUEST_ERROR, "unknown insn pc=%x opc=%x\n", dc->pc, dc->opcode);
@@ -1524,37 +1511,34 @@ static void dec_null(DisasContext *dc)
/* Insns connected to FSL or AXI stream attached devices. */
static void dec_stream(DisasContext *dc)
{
- int mem_index = cpu_mmu_index(&dc->cpu->env, false);
TCGv_i32 t_id, t_ctrl;
int ctrl;
LOG_DIS("%s%s imm=%x\n", dc->rd ? "get" : "put",
dc->type_b ? "" : "d", dc->imm);
- if ((dc->tb_flags & MSR_EE_FLAG) && (mem_index == MMU_USER_IDX)) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_PRIVINSN);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
+ if (trap_userspace(dc, true)) {
return;
}
- t_id = tcg_temp_new();
+ t_id = tcg_temp_new_i32();
if (dc->type_b) {
- tcg_gen_movi_tl(t_id, dc->imm & 0xf);
+ tcg_gen_movi_i32(t_id, dc->imm & 0xf);
ctrl = dc->imm >> 10;
} else {
- tcg_gen_andi_tl(t_id, cpu_R[dc->rb], 0xf);
+ tcg_gen_andi_i32(t_id, cpu_R[dc->rb], 0xf);
ctrl = dc->imm >> 5;
}
- t_ctrl = tcg_const_tl(ctrl);
+ t_ctrl = tcg_const_i32(ctrl);
if (dc->rd == 0) {
gen_helper_put(t_id, t_ctrl, cpu_R[dc->ra]);
} else {
gen_helper_get(cpu_R[dc->rd], t_id, t_ctrl);
}
- tcg_temp_free(t_id);
- tcg_temp_free(t_ctrl);
+ tcg_temp_free_i32(t_id);
+ tcg_temp_free_i32(t_ctrl);
}
static struct decoder_info {
@@ -1595,13 +1579,7 @@ static inline void decode(DisasContext *dc, uint32_t ir)
if (dc->ir)
dc->nr_nops = 0;
else {
- if ((dc->tb_flags & MSR_EE_FLAG)
- && (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
- && (dc->cpu->env.pvr.regs[2] & PVR2_OPCODE_0x0_ILL_MASK)) {
- tcg_gen_movi_tl(cpu_SR[SR_ESR], ESR_EC_ILLEGAL_OP);
- t_gen_raise_exception(dc, EXCP_HW_EXCP);
- return;
- }
+ trap_illegal(dc, dc->cpu->env.pvr.regs[2] & PVR2_OPCODE_0x0_ILL_MASK);
LOG_DIS("nr_nops=%d\t", dc->nr_nops);
dc->nr_nops++;
@@ -1636,7 +1614,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
struct DisasContext ctx;
struct DisasContext *dc = &ctx;
uint32_t page_start, org_flags;
- target_ulong npc;
+ uint32_t npc;
int num_insns;
int max_insns;
@@ -1679,7 +1657,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
#if SIM_COMPAT
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
- tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], dc->pc);
gen_helper_debug();
}
#endif
@@ -1721,7 +1699,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
dc->tb_flags &= ~D_FLAG;
/* If it is a direct jump, try direct chaining. */
if (dc->jmp == JMP_INDIRECT) {
- eval_cond_jmp(dc, env_btarget, tcg_const_tl(dc->pc));
+ eval_cond_jmp(dc, env_btarget, tcg_const_i64(dc->pc));
dc->is_jmp = DISAS_JUMP;
} else if (dc->jmp == JMP_DIRECT) {
t_sync_flags(dc);
@@ -1731,7 +1709,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
TCGLabel *l1 = gen_new_label();
t_sync_flags(dc);
/* Conditional jmp. */
- tcg_gen_brcondi_tl(TCG_COND_NE, env_btaken, 0, l1);
+ tcg_gen_brcondi_i32(TCG_COND_NE, env_btaken, 0, l1);
gen_goto_tb(dc, 1, dc->pc);
gen_set_label(l1);
gen_goto_tb(dc, 0, dc->jmp_pc);
@@ -1754,7 +1732,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
if (dc->jmp == JMP_DIRECT || dc->jmp == JMP_DIRECT_CC) {
if (dc->tb_flags & D_FLAG) {
dc->is_jmp = DISAS_UPDATE;
- tcg_gen_movi_tl(cpu_SR[SR_PC], npc);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], npc);
sync_jmpstate(dc);
} else
npc = dc->jmp_pc;
@@ -1766,7 +1744,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
if (dc->is_jmp == DISAS_NEXT
&& (dc->cpustate_changed || org_flags != dc->tb_flags)) {
dc->is_jmp = DISAS_UPDATE;
- tcg_gen_movi_tl(cpu_SR[SR_PC], npc);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], npc);
}
t_sync_flags(dc);
@@ -1774,7 +1752,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG);
if (dc->is_jmp != DISAS_JUMP) {
- tcg_gen_movi_tl(cpu_SR[SR_PC], npc);
+ tcg_gen_movi_i64(cpu_SR[SR_PC], npc);
}
gen_helper_raise_exception(cpu_env, tmp);
tcg_temp_free_i32(tmp);
@@ -1824,17 +1802,19 @@ void mb_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
if (!env || !f)
return;
- cpu_fprintf(f, "IN: PC=%x %s\n",
+ cpu_fprintf(f, "IN: PC=%" PRIx64 " %s\n",
env->sregs[SR_PC], lookup_symbol(env->sregs[SR_PC]));
- cpu_fprintf(f, "rmsr=%x resr=%x rear=%x debug=%x imm=%x iflags=%x fsr=%x\n",
+ cpu_fprintf(f, "rmsr=%" PRIx64 " resr=%" PRIx64 " rear=%" PRIx64 " "
+ "debug=%x imm=%x iflags=%x fsr=%" PRIx64 "\n",
env->sregs[SR_MSR], env->sregs[SR_ESR], env->sregs[SR_EAR],
env->debug, env->imm, env->iflags, env->sregs[SR_FSR]);
- cpu_fprintf(f, "btaken=%d btarget=%x mode=%s(saved=%s) eip=%d ie=%d\n",
+ cpu_fprintf(f, "btaken=%d btarget=%" PRIx64 " mode=%s(saved=%s) "
+ "eip=%d ie=%d\n",
env->btaken, env->btarget,
(env->sregs[SR_MSR] & MSR_UM) ? "user" : "kernel",
(env->sregs[SR_MSR] & MSR_UMS) ? "user" : "kernel",
- (env->sregs[SR_MSR] & MSR_EIP),
- (env->sregs[SR_MSR] & MSR_IE));
+ (bool)(env->sregs[SR_MSR] & MSR_EIP),
+ (bool)(env->sregs[SR_MSR] & MSR_IE));
for (i = 0; i < 32; i++) {
cpu_fprintf(f, "r%2.2d=%8.8x ", i, env->regs[i]);
@@ -1848,34 +1828,34 @@ void mb_tcg_init(void)
{
int i;
- env_debug = tcg_global_mem_new(cpu_env,
+ env_debug = tcg_global_mem_new_i32(cpu_env,
offsetof(CPUMBState, debug),
"debug0");
- env_iflags = tcg_global_mem_new(cpu_env,
+ env_iflags = tcg_global_mem_new_i32(cpu_env,
offsetof(CPUMBState, iflags),
"iflags");
- env_imm = tcg_global_mem_new(cpu_env,
+ env_imm = tcg_global_mem_new_i32(cpu_env,
offsetof(CPUMBState, imm),
"imm");
- env_btarget = tcg_global_mem_new(cpu_env,
+ env_btarget = tcg_global_mem_new_i64(cpu_env,
offsetof(CPUMBState, btarget),
"btarget");
- env_btaken = tcg_global_mem_new(cpu_env,
+ env_btaken = tcg_global_mem_new_i32(cpu_env,
offsetof(CPUMBState, btaken),
"btaken");
env_res_addr = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, res_addr),
"res_addr");
- env_res_val = tcg_global_mem_new(cpu_env,
+ env_res_val = tcg_global_mem_new_i32(cpu_env,
offsetof(CPUMBState, res_val),
"res_val");
for (i = 0; i < ARRAY_SIZE(cpu_R); i++) {
- cpu_R[i] = tcg_global_mem_new(cpu_env,
+ cpu_R[i] = tcg_global_mem_new_i32(cpu_env,
offsetof(CPUMBState, regs[i]),
regnames[i]);
}
for (i = 0; i < ARRAY_SIZE(cpu_SR); i++) {
- cpu_SR[i] = tcg_global_mem_new(cpu_env,
+ cpu_SR[i] = tcg_global_mem_new_i64(cpu_env,
offsetof(CPUMBState, sregs[i]),
special_regnames[i]);
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-22 05:36:29 +0000