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-rw-r--r--target/xtensa/cpu.c1
-rw-r--r--target/xtensa/cpu.h17
-rw-r--r--target/xtensa/helper.h5
-rw-r--r--target/xtensa/mmu_helper.c369
-rw-r--r--target/xtensa/overlay_tool.h29
-rw-r--r--target/xtensa/translate.c146
6 files changed, 566 insertions, 1 deletions
diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index a54dbe4260..4215a1881e 100644
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -78,7 +78,6 @@ static void xtensa_cpu_reset(CPUState *s)
env->sregs[VECBASE] = env->config->vecbase;
env->sregs[IBREAKENABLE] = 0;
env->sregs[MEMCTL] = MEMCTL_IL0EN & env->config->memctl_mask;
- env->sregs[CACHEATTR] = 0x22222222;
env->sregs[ATOMCTL] = xtensa_option_enabled(env->config,
XTENSA_OPTION_ATOMCTL) ? 0x28 : 0x15;
env->sregs[CONFIGID0] = env->config->configid[0];
diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h
index 74ee7d1253..d6e6bf6ca1 100644
--- a/target/xtensa/cpu.h
+++ b/target/xtensa/cpu.h
@@ -99,6 +99,7 @@ enum {
/* Memory protection and translation */
XTENSA_OPTION_REGION_PROTECTION,
XTENSA_OPTION_REGION_TRANSLATION,
+ XTENSA_OPTION_MPU,
XTENSA_OPTION_MMU,
XTENSA_OPTION_CACHEATTR,
@@ -137,11 +138,15 @@ enum {
PTEVADDR = 83,
MMID = 89,
RASID = 90,
+ MPUENB = 90,
ITLBCFG = 91,
DTLBCFG = 92,
+ MPUCFG = 92,
+ ERACCESS = 95,
IBREAKENABLE = 96,
MEMCTL = 97,
CACHEATTR = 98,
+ CACHEADRDIS = 98,
ATOMCTL = 99,
DDR = 104,
MEPC = 106,
@@ -234,6 +239,7 @@ enum {
#define MAX_TLB_WAY_SIZE 8
#define MAX_NDBREAK 2
#define MAX_NMEMORY 4
+#define MAX_MPU_FOREGROUND_SEGMENTS 32
#define REGION_PAGE_MASK 0xe0000000
@@ -327,6 +333,11 @@ typedef struct xtensa_tlb {
unsigned nrefillentries;
} xtensa_tlb;
+typedef struct xtensa_mpu_entry {
+ uint32_t vaddr;
+ uint32_t attr;
+} xtensa_mpu_entry;
+
typedef struct XtensaGdbReg {
int targno;
unsigned flags;
@@ -477,6 +488,11 @@ struct XtensaConfig {
xtensa_tlb itlb;
xtensa_tlb dtlb;
+
+ uint32_t mpu_align;
+ unsigned n_mpu_fg_segments;
+ unsigned n_mpu_bg_segments;
+ const xtensa_mpu_entry *mpu_bg;
};
typedef struct XtensaConfigList {
@@ -513,6 +529,7 @@ typedef struct CPUXtensaState {
#ifndef CONFIG_USER_ONLY
xtensa_tlb_entry itlb[7][MAX_TLB_WAY_SIZE];
xtensa_tlb_entry dtlb[10][MAX_TLB_WAY_SIZE];
+ xtensa_mpu_entry mpu_fg[MAX_MPU_FOREGROUND_SEGMENTS];
unsigned autorefill_idx;
bool runstall;
AddressSpace *address_space_er;
diff --git a/target/xtensa/helper.h b/target/xtensa/helper.h
index 0b9ec670c8..9216bee57e 100644
--- a/target/xtensa/helper.h
+++ b/target/xtensa/helper.h
@@ -33,6 +33,11 @@ DEF_HELPER_FLAGS_3(rtlb1, TCG_CALL_NO_RWG_SE, i32, env, i32, i32)
DEF_HELPER_3(itlb, void, env, i32, i32)
DEF_HELPER_3(ptlb, i32, env, i32, i32)
DEF_HELPER_4(wtlb, void, env, i32, i32, i32)
+DEF_HELPER_2(wsr_mpuenb, void, env, i32)
+DEF_HELPER_3(wptlb, void, env, i32, i32)
+DEF_HELPER_FLAGS_2(rptlb0, TCG_CALL_NO_RWG_SE, i32, env, i32)
+DEF_HELPER_FLAGS_2(rptlb1, TCG_CALL_NO_RWG_SE, i32, env, i32)
+DEF_HELPER_2(pptlb, i32, env, i32)
DEF_HELPER_2(wsr_ibreakenable, void, env, i32)
DEF_HELPER_3(wsr_ibreaka, void, env, i32, i32)
diff --git a/target/xtensa/mmu_helper.c b/target/xtensa/mmu_helper.c
index 465cfbf613..cab39f687a 100644
--- a/target/xtensa/mmu_helper.c
+++ b/target/xtensa/mmu_helper.c
@@ -35,6 +35,31 @@
#include "exec/exec-all.h"
#include "exec/cpu_ldst.h"
+#define XTENSA_MPU_SEGMENT_MASK 0x0000001f
+#define XTENSA_MPU_ACC_RIGHTS_MASK 0x00000f00
+#define XTENSA_MPU_ACC_RIGHTS_SHIFT 8
+#define XTENSA_MPU_MEM_TYPE_MASK 0x001ff000
+#define XTENSA_MPU_MEM_TYPE_SHIFT 12
+#define XTENSA_MPU_ATTR_MASK 0x001fff00
+
+#define XTENSA_MPU_PROBE_B 0x40000000
+#define XTENSA_MPU_PROBE_V 0x80000000
+
+#define XTENSA_MPU_SYSTEM_TYPE_DEVICE 0x0001
+#define XTENSA_MPU_SYSTEM_TYPE_NC 0x0002
+#define XTENSA_MPU_SYSTEM_TYPE_C 0x0003
+#define XTENSA_MPU_SYSTEM_TYPE_MASK 0x0003
+
+#define XTENSA_MPU_TYPE_SYS_C 0x0010
+#define XTENSA_MPU_TYPE_SYS_W 0x0020
+#define XTENSA_MPU_TYPE_SYS_R 0x0040
+#define XTENSA_MPU_TYPE_CPU_C 0x0100
+#define XTENSA_MPU_TYPE_CPU_W 0x0200
+#define XTENSA_MPU_TYPE_CPU_R 0x0400
+#define XTENSA_MPU_TYPE_CPU_CACHE 0x0800
+#define XTENSA_MPU_TYPE_B 0x1000
+#define XTENSA_MPU_TYPE_INT 0x2000
+
void HELPER(itlb_hit_test)(CPUXtensaState *env, uint32_t vaddr)
{
/*
@@ -382,7 +407,20 @@ void reset_mmu(CPUXtensaState *env)
reset_tlb_mmu_all_ways(env, &env->config->dtlb, env->dtlb);
reset_tlb_mmu_ways56(env, &env->config->itlb, env->itlb);
reset_tlb_mmu_ways56(env, &env->config->dtlb, env->dtlb);
+ } else if (xtensa_option_enabled(env->config, XTENSA_OPTION_MPU)) {
+ unsigned i;
+
+ env->sregs[MPUENB] = 0;
+ env->sregs[MPUCFG] = env->config->n_mpu_fg_segments;
+ env->sregs[CACHEADRDIS] = 0;
+ assert(env->config->n_mpu_bg_segments > 0 &&
+ env->config->mpu_bg[0].vaddr == 0);
+ for (i = 1; i < env->config->n_mpu_bg_segments; ++i) {
+ assert(env->config->mpu_bg[i].vaddr >=
+ env->config->mpu_bg[i - 1].vaddr);
+ }
} else {
+ env->sregs[CACHEATTR] = 0x22222222;
reset_tlb_region_way0(env, env->itlb);
reset_tlb_region_way0(env, env->dtlb);
}
@@ -579,6 +617,149 @@ static unsigned cacheattr_attr_to_access(uint32_t attr)
return access[attr & 0xf];
}
+struct attr_pattern {
+ uint32_t mask;
+ uint32_t value;
+};
+
+static int attr_pattern_match(uint32_t attr,
+ const struct attr_pattern *pattern,
+ size_t n)
+{
+ size_t i;
+
+ for (i = 0; i < n; ++i) {
+ if ((attr & pattern[i].mask) == pattern[i].value) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static unsigned mpu_attr_to_cpu_cache(uint32_t attr)
+{
+ static const struct attr_pattern cpu_c[] = {
+ { .mask = 0x18f, .value = 0x089 },
+ { .mask = 0x188, .value = 0x080 },
+ { .mask = 0x180, .value = 0x180 },
+ };
+
+ unsigned type = 0;
+
+ if (attr_pattern_match(attr, cpu_c, ARRAY_SIZE(cpu_c))) {
+ type |= XTENSA_MPU_TYPE_CPU_CACHE;
+ if (attr & 0x10) {
+ type |= XTENSA_MPU_TYPE_CPU_C;
+ }
+ if (attr & 0x20) {
+ type |= XTENSA_MPU_TYPE_CPU_W;
+ }
+ if (attr & 0x40) {
+ type |= XTENSA_MPU_TYPE_CPU_R;
+ }
+ }
+ return type;
+}
+
+static unsigned mpu_attr_to_type(uint32_t attr)
+{
+ static const struct attr_pattern device_type[] = {
+ { .mask = 0x1f6, .value = 0x000 },
+ { .mask = 0x1f6, .value = 0x006 },
+ };
+ static const struct attr_pattern sys_nc_type[] = {
+ { .mask = 0x1fe, .value = 0x018 },
+ { .mask = 0x1fe, .value = 0x01e },
+ { .mask = 0x18f, .value = 0x089 },
+ };
+ static const struct attr_pattern sys_c_type[] = {
+ { .mask = 0x1f8, .value = 0x010 },
+ { .mask = 0x188, .value = 0x080 },
+ { .mask = 0x1f0, .value = 0x030 },
+ { .mask = 0x180, .value = 0x180 },
+ };
+ static const struct attr_pattern b[] = {
+ { .mask = 0x1f7, .value = 0x001 },
+ { .mask = 0x1f7, .value = 0x007 },
+ { .mask = 0x1ff, .value = 0x019 },
+ { .mask = 0x1ff, .value = 0x01f },
+ };
+
+ unsigned type = 0;
+
+ attr = (attr & XTENSA_MPU_MEM_TYPE_MASK) >> XTENSA_MPU_MEM_TYPE_SHIFT;
+ if (attr_pattern_match(attr, device_type, ARRAY_SIZE(device_type))) {
+ type |= XTENSA_MPU_SYSTEM_TYPE_DEVICE;
+ if (attr & 0x80) {
+ type |= XTENSA_MPU_TYPE_INT;
+ }
+ }
+ if (attr_pattern_match(attr, sys_nc_type, ARRAY_SIZE(sys_nc_type))) {
+ type |= XTENSA_MPU_SYSTEM_TYPE_NC;
+ }
+ if (attr_pattern_match(attr, sys_c_type, ARRAY_SIZE(sys_c_type))) {
+ type |= XTENSA_MPU_SYSTEM_TYPE_C;
+ if (attr & 0x1) {
+ type |= XTENSA_MPU_TYPE_SYS_C;
+ }
+ if (attr & 0x2) {
+ type |= XTENSA_MPU_TYPE_SYS_W;
+ }
+ if (attr & 0x4) {
+ type |= XTENSA_MPU_TYPE_SYS_R;
+ }
+ }
+ if (attr_pattern_match(attr, b, ARRAY_SIZE(b))) {
+ type |= XTENSA_MPU_TYPE_B;
+ }
+ type |= mpu_attr_to_cpu_cache(attr);
+
+ return type;
+}
+
+static unsigned mpu_attr_to_access(uint32_t attr, unsigned ring)
+{
+ static const unsigned access[2][16] = {
+ [0] = {
+ [4] = PAGE_READ,
+ [5] = PAGE_READ | PAGE_EXEC,
+ [6] = PAGE_READ | PAGE_WRITE,
+ [7] = PAGE_READ | PAGE_WRITE | PAGE_EXEC,
+ [8] = PAGE_WRITE,
+ [9] = PAGE_READ | PAGE_WRITE,
+ [10] = PAGE_READ | PAGE_WRITE,
+ [11] = PAGE_READ | PAGE_WRITE | PAGE_EXEC,
+ [12] = PAGE_READ,
+ [13] = PAGE_READ | PAGE_EXEC,
+ [14] = PAGE_READ | PAGE_WRITE,
+ [15] = PAGE_READ | PAGE_WRITE | PAGE_EXEC,
+ },
+ [1] = {
+ [8] = PAGE_WRITE,
+ [9] = PAGE_READ | PAGE_WRITE | PAGE_EXEC,
+ [10] = PAGE_READ,
+ [11] = PAGE_READ | PAGE_EXEC,
+ [12] = PAGE_READ,
+ [13] = PAGE_READ | PAGE_EXEC,
+ [14] = PAGE_READ | PAGE_WRITE,
+ [15] = PAGE_READ | PAGE_WRITE | PAGE_EXEC,
+ },
+ };
+ unsigned rv;
+ unsigned type;
+
+ type = mpu_attr_to_cpu_cache(attr);
+ rv = access[ring != 0][(attr & XTENSA_MPU_ACC_RIGHTS_MASK) >>
+ XTENSA_MPU_ACC_RIGHTS_SHIFT];
+
+ if (type & XTENSA_MPU_TYPE_CPU_CACHE) {
+ rv |= (type & XTENSA_MPU_TYPE_CPU_C) ? PAGE_CACHE_WB : PAGE_CACHE_WT;
+ } else {
+ rv |= PAGE_CACHE_BYPASS;
+ }
+ return rv;
+}
+
static bool is_access_granted(unsigned access, int is_write)
{
switch (is_write) {
@@ -723,6 +904,129 @@ static int get_physical_addr_region(CPUXtensaState *env,
return 0;
}
+static int xtensa_mpu_lookup(const xtensa_mpu_entry *entry, unsigned n,
+ uint32_t vaddr, unsigned *segment)
+{
+ unsigned nhits = 0;
+ unsigned i;
+
+ for (i = 0; i < n; ++i) {
+ if (vaddr >= entry[i].vaddr &&
+ (i == n - 1 || vaddr < entry[i + 1].vaddr)) {
+ if (nhits++) {
+ break;
+ }
+ *segment = i;
+ }
+ }
+ return nhits;
+}
+
+void HELPER(wsr_mpuenb)(CPUXtensaState *env, uint32_t v)
+{
+ XtensaCPU *cpu = xtensa_env_get_cpu(env);
+
+ v &= (2u << (env->config->n_mpu_fg_segments - 1)) - 1;
+
+ if (v != env->sregs[MPUENB]) {
+ env->sregs[MPUENB] = v;
+ tlb_flush(CPU(cpu));
+ }
+}
+
+void HELPER(wptlb)(CPUXtensaState *env, uint32_t p, uint32_t v)
+{
+ unsigned segment = p & XTENSA_MPU_SEGMENT_MASK;
+
+ if (segment < env->config->n_mpu_fg_segments) {
+ env->mpu_fg[segment].vaddr = v & -env->config->mpu_align;
+ env->mpu_fg[segment].attr = p & XTENSA_MPU_ATTR_MASK;
+ env->sregs[MPUENB] = deposit32(env->sregs[MPUENB], segment, 1, v);
+ tlb_flush(CPU(xtensa_env_get_cpu(env)));
+ }
+}
+
+uint32_t HELPER(rptlb0)(CPUXtensaState *env, uint32_t s)
+{
+ unsigned segment = s & XTENSA_MPU_SEGMENT_MASK;
+
+ if (segment < env->config->n_mpu_fg_segments) {
+ return env->mpu_fg[segment].vaddr |
+ extract32(env->sregs[MPUENB], segment, 1);
+ } else {
+ return 0;
+ }
+}
+
+uint32_t HELPER(rptlb1)(CPUXtensaState *env, uint32_t s)
+{
+ unsigned segment = s & XTENSA_MPU_SEGMENT_MASK;
+
+ if (segment < env->config->n_mpu_fg_segments) {
+ return env->mpu_fg[segment].attr;
+ } else {
+ return 0;
+ }
+}
+
+uint32_t HELPER(pptlb)(CPUXtensaState *env, uint32_t v)
+{
+ unsigned nhits;
+ unsigned segment = XTENSA_MPU_PROBE_B;
+ unsigned bg_segment;
+
+ nhits = xtensa_mpu_lookup(env->mpu_fg, env->config->n_mpu_fg_segments,
+ v, &segment);
+ if (nhits > 1) {
+ HELPER(exception_cause_vaddr)(env, env->pc,
+ LOAD_STORE_TLB_MULTI_HIT_CAUSE, v);
+ } else if (nhits == 1 && (env->sregs[MPUENB] & (1u << segment))) {
+ return env->mpu_fg[segment].attr | segment | XTENSA_MPU_PROBE_V;
+ } else {
+ xtensa_mpu_lookup(env->config->mpu_bg,
+ env->config->n_mpu_bg_segments,
+ v, &bg_segment);
+ return env->config->mpu_bg[bg_segment].attr | segment;
+ }
+}
+
+static int get_physical_addr_mpu(CPUXtensaState *env,
+ uint32_t vaddr, int is_write, int mmu_idx,
+ uint32_t *paddr, uint32_t *page_size,
+ unsigned *access)
+{
+ unsigned nhits;
+ unsigned segment;
+ uint32_t attr;
+
+ nhits = xtensa_mpu_lookup(env->mpu_fg, env->config->n_mpu_fg_segments,
+ vaddr, &segment);
+ if (nhits > 1) {
+ return is_write < 2 ?
+ LOAD_STORE_TLB_MULTI_HIT_CAUSE :
+ INST_TLB_MULTI_HIT_CAUSE;
+ } else if (nhits == 1 && (env->sregs[MPUENB] & (1u << segment))) {
+ attr = env->mpu_fg[segment].attr;
+ } else {
+ xtensa_mpu_lookup(env->config->mpu_bg,
+ env->config->n_mpu_bg_segments,
+ vaddr, &segment);
+ attr = env->config->mpu_bg[segment].attr;
+ }
+
+ *access = mpu_attr_to_access(attr, mmu_idx);
+ if (!is_access_granted(*access, is_write)) {
+ return is_write < 2 ?
+ (is_write ?
+ STORE_PROHIBITED_CAUSE :
+ LOAD_PROHIBITED_CAUSE) :
+ INST_FETCH_PROHIBITED_CAUSE;
+ }
+ *paddr = vaddr;
+ *page_size = env->config->mpu_align;
+ return 0;
+}
+
/*!
* Convert virtual address to physical addr.
* MMU may issue pagewalk and change xtensa autorefill TLB way entry.
@@ -743,6 +1047,9 @@ int xtensa_get_physical_addr(CPUXtensaState *env, bool update_tlb,
XTENSA_OPTION_BIT(XTENSA_OPTION_REGION_TRANSLATION))) {
return get_physical_addr_region(env, vaddr, is_write, mmu_idx,
paddr, page_size, access);
+ } else if (xtensa_option_enabled(env->config, XTENSA_OPTION_MPU)) {
+ return get_physical_addr_mpu(env, vaddr, is_write, mmu_idx,
+ paddr, page_size, access);
} else {
*paddr = vaddr;
*page_size = TARGET_PAGE_SIZE;
@@ -810,6 +1117,63 @@ static void dump_tlb(CPUXtensaState *env, bool dtlb)
}
}
+static void dump_mpu(CPUXtensaState *env,
+ const xtensa_mpu_entry *entry, unsigned n)
+{
+ unsigned i;
+
+ qemu_printf("\t%s Vaddr Attr Ring0 Ring1 System Type CPU cache\n"
+ "\t%s ---------- ---------- ----- ----- ------------- ---------\n",
+ env ? "En" : " ",
+ env ? "--" : " ");
+
+ for (i = 0; i < n; ++i) {
+ uint32_t attr = entry[i].attr;
+ unsigned access0 = mpu_attr_to_access(attr, 0);
+ unsigned access1 = mpu_attr_to_access(attr, 1);
+ unsigned type = mpu_attr_to_type(attr);
+ char cpu_cache = (type & XTENSA_MPU_TYPE_CPU_CACHE) ? '-' : ' ';
+
+ qemu_printf("\t %c 0x%08x 0x%08x %c%c%c %c%c%c ",
+ env ?
+ ((env->sregs[MPUENB] & (1u << i)) ? '+' : '-') : ' ',
+ entry[i].vaddr, attr,
+ (access0 & PAGE_READ) ? 'R' : '-',
+ (access0 & PAGE_WRITE) ? 'W' : '-',
+ (access0 & PAGE_EXEC) ? 'X' : '-',
+ (access1 & PAGE_READ) ? 'R' : '-',
+ (access1 & PAGE_WRITE) ? 'W' : '-',
+ (access1 & PAGE_EXEC) ? 'X' : '-');
+
+ switch (type & XTENSA_MPU_SYSTEM_TYPE_MASK) {
+ case XTENSA_MPU_SYSTEM_TYPE_DEVICE:
+ qemu_printf("Device %cB %3s\n",
+ (type & XTENSA_MPU_TYPE_B) ? ' ' : 'n',
+ (type & XTENSA_MPU_TYPE_INT) ? "int" : "");
+ break;
+ case XTENSA_MPU_SYSTEM_TYPE_NC:
+ qemu_printf("Sys NC %cB %c%c%c\n",
+ (type & XTENSA_MPU_TYPE_B) ? ' ' : 'n',
+ (type & XTENSA_MPU_TYPE_CPU_R) ? 'r' : cpu_cache,
+ (type & XTENSA_MPU_TYPE_CPU_W) ? 'w' : cpu_cache,
+ (type & XTENSA_MPU_TYPE_CPU_C) ? 'c' : cpu_cache);
+ break;
+ case XTENSA_MPU_SYSTEM_TYPE_C:
+ qemu_printf("Sys C %c%c%c %c%c%c\n",
+ (type & XTENSA_MPU_TYPE_SYS_R) ? 'R' : '-',
+ (type & XTENSA_MPU_TYPE_SYS_W) ? 'W' : '-',
+ (type & XTENSA_MPU_TYPE_SYS_C) ? 'C' : '-',
+ (type & XTENSA_MPU_TYPE_CPU_R) ? 'r' : cpu_cache,
+ (type & XTENSA_MPU_TYPE_CPU_W) ? 'w' : cpu_cache,
+ (type & XTENSA_MPU_TYPE_CPU_C) ? 'c' : cpu_cache);
+ break;
+ default:
+ qemu_printf("Unknown\n");
+ break;
+ }
+ }
+}
+
void dump_mmu(CPUXtensaState *env)
{
if (xtensa_option_bits_enabled(env->config,
@@ -821,6 +1185,11 @@ void dump_mmu(CPUXtensaState *env)
dump_tlb(env, false);
qemu_printf("\nDTLB:\n");
dump_tlb(env, true);
+ } else if (xtensa_option_enabled(env->config, XTENSA_OPTION_MPU)) {
+ qemu_printf("Foreground map:\n");
+ dump_mpu(env, env->mpu_fg, env->config->n_mpu_fg_segments);
+ qemu_printf("\nBackground map:\n");
+ dump_mpu(NULL, env->config->mpu_bg, env->config->n_mpu_bg_segments);
} else {
qemu_printf("No TLB for this CPU core\n");
}
diff --git a/target/xtensa/overlay_tool.h b/target/xtensa/overlay_tool.h
index ffaab4b094..b61c925398 100644
--- a/target/xtensa/overlay_tool.h
+++ b/target/xtensa/overlay_tool.h
@@ -72,6 +72,10 @@
#define XCHAL_HAVE_EXTERN_REGS 0
#endif
+#ifndef XCHAL_HAVE_MPU
+#define XCHAL_HAVE_MPU 0
+#endif
+
#define XCHAL_OPTION(xchal, qemu) ((xchal) ? XTENSA_OPTION_BIT(qemu) : 0)
#define XTENSA_OPTIONS ( \
@@ -119,6 +123,7 @@
XTENSA_OPTION_REGION_PROTECTION) | \
XCHAL_OPTION(XCHAL_HAVE_XLT_CACHEATTR, \
XTENSA_OPTION_REGION_TRANSLATION) | \
+ XCHAL_OPTION(XCHAL_HAVE_MPU, XTENSA_OPTION_MPU) | \
XCHAL_OPTION(XCHAL_HAVE_PTP_MMU, XTENSA_OPTION_MMU) | \
XCHAL_OPTION(XCHAL_HAVE_CACHEATTR, XTENSA_OPTION_CACHEATTR) | \
/* Other, TODO */ \
@@ -361,6 +366,30 @@
#define XCHAL_SYSRAM0_SIZE 0x04000000
#endif
+#elif XCHAL_HAVE_MPU
+
+#ifndef XTENSA_MPU_BG_MAP
+#define XTENSA_MPU_BG_MAP (xtensa_mpu_entry []){\
+ { .vaddr = 0, .attr = 0x00006700, }, \
+}
+#endif
+
+#define TLB_SECTION \
+ .mpu_align = XCHAL_MPU_ALIGN, \
+ .n_mpu_fg_segments = XCHAL_MPU_ENTRIES, \
+ .n_mpu_bg_segments = 1, \
+ .mpu_bg = XTENSA_MPU_BG_MAP
+
+#ifndef XCHAL_SYSROM0_PADDR
+#define XCHAL_SYSROM0_PADDR 0x50000000
+#define XCHAL_SYSROM0_SIZE 0x04000000
+#endif
+
+#ifndef XCHAL_SYSRAM0_PADDR
+#define XCHAL_SYSRAM0_PADDR 0x60000000
+#define XCHAL_SYSRAM0_SIZE 0x04000000
+#endif
+
#else
#ifndef XCHAL_SYSROM0_PADDR
diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 63a90fdd17..782f2ec620 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -1992,6 +1992,15 @@ static void translate_ptlb(DisasContext *dc, const OpcodeArg arg[],
#endif
}
+static void translate_pptlb(DisasContext *dc, const OpcodeArg arg[],
+ const uint32_t par[])
+{
+#ifndef CONFIG_USER_ONLY
+ tcg_gen_movi_i32(cpu_pc, dc->pc);
+ gen_helper_pptlb(arg[0].out, cpu_env, arg[1].in);
+#endif
+}
+
static void translate_quos(DisasContext *dc, const OpcodeArg arg[],
const uint32_t par[])
{
@@ -2184,6 +2193,22 @@ static void translate_rtlb(DisasContext *dc, const OpcodeArg arg[],
#endif
}
+static void translate_rptlb0(DisasContext *dc, const OpcodeArg arg[],
+ const uint32_t par[])
+{
+#ifndef CONFIG_USER_ONLY
+ gen_helper_rptlb0(arg[0].out, cpu_env, arg[1].in);
+#endif
+}
+
+static void translate_rptlb1(DisasContext *dc, const OpcodeArg arg[],
+ const uint32_t par[])
+{
+#ifndef CONFIG_USER_ONLY
+ gen_helper_rptlb1(arg[0].out, cpu_env, arg[1].in);
+#endif
+}
+
static void translate_rur(DisasContext *dc, const OpcodeArg arg[],
const uint32_t par[])
{
@@ -2445,6 +2470,14 @@ static void translate_wtlb(DisasContext *dc, const OpcodeArg arg[],
#endif
}
+static void translate_wptlb(DisasContext *dc, const OpcodeArg arg[],
+ const uint32_t par[])
+{
+#ifndef CONFIG_USER_ONLY
+ gen_helper_wptlb(cpu_env, arg[0].in, arg[1].in);
+#endif
+}
+
static void translate_wer(DisasContext *dc, const OpcodeArg arg[],
const uint32_t par[])
{
@@ -2593,6 +2626,14 @@ static void translate_wsr_memctl(DisasContext *dc, const OpcodeArg arg[],
#endif
}
+static void translate_wsr_mpuenb(DisasContext *dc, const OpcodeArg arg[],
+ const uint32_t par[])
+{
+#ifndef CONFIG_USER_ONLY
+ gen_helper_wsr_mpuenb(cpu_env, arg[0].in);
+#endif
+}
+
static void translate_wsr_ps(DisasContext *dc, const OpcodeArg arg[],
const uint32_t par[])
{
@@ -2731,6 +2772,7 @@ gen_translate_xsr(ibreaka)
gen_translate_xsr(ibreakenable)
gen_translate_xsr(icount)
gen_translate_xsr(memctl)
+gen_translate_xsr(mpuenb)
gen_translate_xsr(ps)
gen_translate_xsr(rasid)
gen_translate_xsr(sar)
@@ -3581,6 +3623,10 @@ static const XtensaOpcodeOps core_ops[] = {
.par = (const uint32_t[]){false},
.op_flags = XTENSA_OP_PRIVILEGED,
}, {
+ .name = "pptlb",
+ .translate = translate_pptlb,
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "quos",
.translate = translate_quos,
.par = (const uint32_t[]){true},
@@ -3667,6 +3713,14 @@ static const XtensaOpcodeOps core_ops[] = {
.par = (const uint32_t[]){false, 1},
.op_flags = XTENSA_OP_PRIVILEGED,
}, {
+ .name = "rptlb0",
+ .translate = translate_rptlb0,
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
+ .name = "rptlb1",
+ .translate = translate_rptlb1,
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "rotw",
.translate = translate_rotw,
.op_flags = XTENSA_OP_PRIVILEGED |
@@ -3723,6 +3777,15 @@ static const XtensaOpcodeOps core_ops[] = {
XTENSA_OPTION_BOOLEAN,
},
}, {
+ .name = "rsr.cacheadrdis",
+ .translate = translate_rsr,
+ .test_ill = test_ill_sr,
+ .par = (const uint32_t[]){
+ CACHEADRDIS,
+ XTENSA_OPTION_MPU,
+ },
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "rsr.cacheattr",
.translate = translate_rsr,
.test_ill = test_ill_sr,
@@ -3976,6 +4039,11 @@ static const XtensaOpcodeOps core_ops[] = {
},
.op_flags = XTENSA_OP_PRIVILEGED,
}, {
+ .name = "rsr.eraccess",
+ .translate = translate_rsr,
+ .par = (const uint32_t[]){ERACCESS},
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "rsr.exccause",
.translate = translate_rsr,
.test_ill = test_ill_sr,
@@ -4306,6 +4374,24 @@ static const XtensaOpcodeOps core_ops[] = {
},
.op_flags = XTENSA_OP_PRIVILEGED,
}, {
+ .name = "rsr.mpucfg",
+ .translate = translate_rsr,
+ .test_ill = test_ill_sr,
+ .par = (const uint32_t[]){
+ MPUCFG,
+ XTENSA_OPTION_MPU,
+ },
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
+ .name = "rsr.mpuenb",
+ .translate = translate_rsr,
+ .test_ill = test_ill_sr,
+ .par = (const uint32_t[]){
+ MPUENB,
+ XTENSA_OPTION_MPU,
+ },
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "rsr.prefctl",
.translate = translate_rsr,
.par = (const uint32_t[]){PREFCTL},
@@ -4543,6 +4629,10 @@ static const XtensaOpcodeOps core_ops[] = {
.par = (const uint32_t[]){false},
.op_flags = XTENSA_OP_PRIVILEGED | XTENSA_OP_EXIT_TB_M1,
}, {
+ .name = "wptlb",
+ .translate = translate_wptlb,
+ .op_flags = XTENSA_OP_PRIVILEGED | XTENSA_OP_EXIT_TB_M1,
+ }, {
.name = "wrmsk_expstate",
.translate = translate_wrmsk_expstate,
}, {
@@ -4587,6 +4677,16 @@ static const XtensaOpcodeOps core_ops[] = {
0xffff,
},
}, {
+ .name = "wsr.cacheadrdis",
+ .translate = translate_wsr_mask,
+ .test_ill = test_ill_sr,
+ .par = (const uint32_t[]){
+ CACHEADRDIS,
+ XTENSA_OPTION_MPU,
+ 0xff,
+ },
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "wsr.cacheattr",
.translate = translate_wsr,
.test_ill = test_ill_sr,
@@ -4832,6 +4932,15 @@ static const XtensaOpcodeOps core_ops[] = {
},
.op_flags = XTENSA_OP_PRIVILEGED,
}, {
+ .name = "wsr.eraccess",
+ .translate = translate_wsr_mask,
+ .par = (const uint32_t[]){
+ ERACCESS,
+ 0,
+ 0xffff,
+ },
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "wsr.exccause",
.translate = translate_wsr,
.test_ill = test_ill_sr,
@@ -5189,6 +5298,15 @@ static const XtensaOpcodeOps core_ops[] = {
},
.op_flags = XTENSA_OP_PRIVILEGED,
}, {
+ .name = "wsr.mpuenb",
+ .translate = translate_wsr_mpuenb,
+ .test_ill = test_ill_sr,
+ .par = (const uint32_t[]){
+ MPUENB,
+ XTENSA_OPTION_MPU,
+ },
+ .op_flags = XTENSA_OP_PRIVILEGED | XTENSA_OP_EXIT_TB_M1,
+ }, {
.name = "wsr.prefctl",
.translate = translate_wsr,
.par = (const uint32_t[]){PREFCTL},
@@ -5334,6 +5452,16 @@ static const XtensaOpcodeOps core_ops[] = {
0xffff,
},
}, {
+ .name = "xsr.cacheadrdis",
+ .translate = translate_xsr_mask,
+ .test_ill = test_ill_sr,
+ .par = (const uint32_t[]){
+ CACHEADRDIS,
+ XTENSA_OPTION_MPU,
+ 0xff,
+ },
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "xsr.cacheattr",
.translate = translate_xsr,
.test_ill = test_ill_sr,
@@ -5579,6 +5707,15 @@ static const XtensaOpcodeOps core_ops[] = {
},
.op_flags = XTENSA_OP_PRIVILEGED,
}, {
+ .name = "xsr.eraccess",
+ .translate = translate_xsr_mask,
+ .par = (const uint32_t[]){
+ ERACCESS,
+ 0,
+ 0xffff,
+ },
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "xsr.exccause",
.translate = translate_xsr,
.test_ill = test_ill_sr,
@@ -5900,6 +6037,15 @@ static const XtensaOpcodeOps core_ops[] = {
},
.op_flags = XTENSA_OP_PRIVILEGED,
}, {
+ .name = "xsr.mpuenb",
+ .translate = translate_xsr_mpuenb,
+ .test_ill = test_ill_sr,
+ .par = (const uint32_t[]){
+ MPUENB,
+ XTENSA_OPTION_MPU,
+ },
+ .op_flags = XTENSA_OP_PRIVILEGED | XTENSA_OP_EXIT_TB_M1,
+ }, {
.name = "xsr.prefctl",
.translate = translate_xsr,
.par = (const uint32_t[]){PREFCTL},