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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/target-sparc/ldst_helper.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/target-sparc/ldst_helper.c')
-rw-r--r--qemu/target-sparc/ldst_helper.c2456
1 files changed, 0 insertions, 2456 deletions
diff --git a/qemu/target-sparc/ldst_helper.c b/qemu/target-sparc/ldst_helper.c
deleted file mode 100644
index 658e7d858..000000000
--- a/qemu/target-sparc/ldst_helper.c
+++ /dev/null
@@ -1,2456 +0,0 @@
-/*
- * Helpers for loads and stores
- *
- * Copyright (c) 2003-2005 Fabrice Bellard
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "exec/helper-proto.h"
-#include "exec/cpu_ldst.h"
-
-//#define DEBUG_MMU
-//#define DEBUG_MXCC
-//#define DEBUG_UNALIGNED
-//#define DEBUG_UNASSIGNED
-//#define DEBUG_ASI
-//#define DEBUG_CACHE_CONTROL
-
-#ifdef DEBUG_MMU
-#define DPRINTF_MMU(fmt, ...) \
- do { printf("MMU: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF_MMU(fmt, ...) do {} while (0)
-#endif
-
-#ifdef DEBUG_MXCC
-#define DPRINTF_MXCC(fmt, ...) \
- do { printf("MXCC: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF_MXCC(fmt, ...) do {} while (0)
-#endif
-
-#ifdef DEBUG_ASI
-#define DPRINTF_ASI(fmt, ...) \
- do { printf("ASI: " fmt , ## __VA_ARGS__); } while (0)
-#endif
-
-#ifdef DEBUG_CACHE_CONTROL
-#define DPRINTF_CACHE_CONTROL(fmt, ...) \
- do { printf("CACHE_CONTROL: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF_CACHE_CONTROL(fmt, ...) do {} while (0)
-#endif
-
-#ifdef TARGET_SPARC64
-#ifndef TARGET_ABI32
-#define AM_CHECK(env1) ((env1)->pstate & PS_AM)
-#else
-#define AM_CHECK(env1) (1)
-#endif
-#endif
-
-#define QT0 (env->qt0)
-#define QT1 (env->qt1)
-
-#if defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
-/* Calculates TSB pointer value for fault page size 8k or 64k */
-static uint64_t ultrasparc_tsb_pointer(uint64_t tsb_register,
- uint64_t tag_access_register,
- int page_size)
-{
- uint64_t tsb_base = tsb_register & ~0x1fffULL;
- int tsb_split = (tsb_register & 0x1000ULL) ? 1 : 0;
- int tsb_size = tsb_register & 0xf;
-
- /* discard lower 13 bits which hold tag access context */
- uint64_t tag_access_va = tag_access_register & ~0x1fffULL;
-
- /* now reorder bits */
- uint64_t tsb_base_mask = ~0x1fffULL;
- uint64_t va = tag_access_va;
-
- /* move va bits to correct position */
- if (page_size == 8*1024) {
- va >>= 9;
- } else if (page_size == 64*1024) {
- va >>= 12;
- }
-
- if (tsb_size) {
- tsb_base_mask <<= tsb_size;
- }
-
- /* calculate tsb_base mask and adjust va if split is in use */
- if (tsb_split) {
- if (page_size == 8*1024) {
- va &= ~(1ULL << (13 + tsb_size));
- } else if (page_size == 64*1024) {
- va |= (1ULL << (13 + tsb_size));
- }
- tsb_base_mask <<= 1;
- }
-
- return ((tsb_base & tsb_base_mask) | (va & ~tsb_base_mask)) & ~0xfULL;
-}
-
-/* Calculates tag target register value by reordering bits
- in tag access register */
-static uint64_t ultrasparc_tag_target(uint64_t tag_access_register)
-{
- return ((tag_access_register & 0x1fff) << 48) | (tag_access_register >> 22);
-}
-
-static void replace_tlb_entry(SparcTLBEntry *tlb,
- uint64_t tlb_tag, uint64_t tlb_tte,
- CPUSPARCState *env1)
-{
- target_ulong mask, size, va, offset;
-
- /* flush page range if translation is valid */
- if (TTE_IS_VALID(tlb->tte)) {
- CPUState *cs = CPU(sparc_env_get_cpu(env1));
-
- mask = 0xffffffffffffe000ULL;
- mask <<= 3 * ((tlb->tte >> 61) & 3);
- size = ~mask + 1;
-
- va = tlb->tag & mask;
-
- for (offset = 0; offset < size; offset += TARGET_PAGE_SIZE) {
- tlb_flush_page(cs, va + offset);
- }
- }
-
- tlb->tag = tlb_tag;
- tlb->tte = tlb_tte;
-}
-
-static void demap_tlb(SparcTLBEntry *tlb, target_ulong demap_addr,
- const char *strmmu, CPUSPARCState *env1)
-{
- unsigned int i;
- target_ulong mask;
- uint64_t context;
-
- int is_demap_context = (demap_addr >> 6) & 1;
-
- /* demap context */
- switch ((demap_addr >> 4) & 3) {
- case 0: /* primary */
- context = env1->dmmu.mmu_primary_context;
- break;
- case 1: /* secondary */
- context = env1->dmmu.mmu_secondary_context;
- break;
- case 2: /* nucleus */
- context = 0;
- break;
- case 3: /* reserved */
- default:
- return;
- }
-
- for (i = 0; i < 64; i++) {
- if (TTE_IS_VALID(tlb[i].tte)) {
-
- if (is_demap_context) {
- /* will remove non-global entries matching context value */
- if (TTE_IS_GLOBAL(tlb[i].tte) ||
- !tlb_compare_context(&tlb[i], context)) {
- continue;
- }
- } else {
- /* demap page
- will remove any entry matching VA */
- mask = 0xffffffffffffe000ULL;
- mask <<= 3 * ((tlb[i].tte >> 61) & 3);
-
- if (!compare_masked(demap_addr, tlb[i].tag, mask)) {
- continue;
- }
-
- /* entry should be global or matching context value */
- if (!TTE_IS_GLOBAL(tlb[i].tte) &&
- !tlb_compare_context(&tlb[i], context)) {
- continue;
- }
- }
-
- replace_tlb_entry(&tlb[i], 0, 0, env1);
-#ifdef DEBUG_MMU
- DPRINTF_MMU("%s demap invalidated entry [%02u]\n", strmmu, i);
- dump_mmu(stdout, fprintf, env1);
-#endif
- }
- }
-}
-
-static void replace_tlb_1bit_lru(SparcTLBEntry *tlb,
- uint64_t tlb_tag, uint64_t tlb_tte,
- const char *strmmu, CPUSPARCState *env1)
-{
- unsigned int i, replace_used;
-
- /* Try replacing invalid entry */
- for (i = 0; i < 64; i++) {
- if (!TTE_IS_VALID(tlb[i].tte)) {
- replace_tlb_entry(&tlb[i], tlb_tag, tlb_tte, env1);
-#ifdef DEBUG_MMU
- DPRINTF_MMU("%s lru replaced invalid entry [%i]\n", strmmu, i);
- dump_mmu(stdout, fprintf, env1);
-#endif
- return;
- }
- }
-
- /* All entries are valid, try replacing unlocked entry */
-
- for (replace_used = 0; replace_used < 2; ++replace_used) {
-
- /* Used entries are not replaced on first pass */
-
- for (i = 0; i < 64; i++) {
- if (!TTE_IS_LOCKED(tlb[i].tte) && !TTE_IS_USED(tlb[i].tte)) {
-
- replace_tlb_entry(&tlb[i], tlb_tag, tlb_tte, env1);
-#ifdef DEBUG_MMU
- DPRINTF_MMU("%s lru replaced unlocked %s entry [%i]\n",
- strmmu, (replace_used ? "used" : "unused"), i);
- dump_mmu(stdout, fprintf, env1);
-#endif
- return;
- }
- }
-
- /* Now reset used bit and search for unused entries again */
-
- for (i = 0; i < 64; i++) {
- TTE_SET_UNUSED(tlb[i].tte);
- }
- }
-
-#ifdef DEBUG_MMU
- DPRINTF_MMU("%s lru replacement failed: no entries available\n", strmmu);
-#endif
- /* error state? */
-}
-
-#endif
-
-#if defined(TARGET_SPARC64) || defined(CONFIG_USER_ONLY)
-static inline target_ulong address_mask(CPUSPARCState *env1, target_ulong addr)
-{
-#ifdef TARGET_SPARC64
- if (AM_CHECK(env1)) {
- addr &= 0xffffffffULL;
- }
-#endif
- return addr;
-}
-#endif
-
-#ifdef TARGET_SPARC64
-/* returns true if access using this ASI is to have address translated by MMU
- otherwise access is to raw physical address */
-/* TODO: check sparc32 bits */
-static inline int is_translating_asi(int asi)
-{
- /* Ultrasparc IIi translating asi
- - note this list is defined by cpu implementation
- */
- switch (asi) {
- case 0x04 ... 0x11:
- case 0x16 ... 0x19:
- case 0x1E ... 0x1F:
- case 0x24 ... 0x2C:
- case 0x70 ... 0x73:
- case 0x78 ... 0x79:
- case 0x80 ... 0xFF:
- return 1;
-
- default:
- return 0;
- }
-}
-
-static inline target_ulong asi_address_mask(CPUSPARCState *env,
- int asi, target_ulong addr)
-{
- if (is_translating_asi(asi)) {
- return address_mask(env, addr);
- } else {
- return addr;
- }
-}
-#endif
-
-void helper_check_align(CPUSPARCState *env, target_ulong addr, uint32_t align)
-{
- if (addr & align) {
-#ifdef DEBUG_UNALIGNED
- printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
- "\n", addr, env->pc);
-#endif
- helper_raise_exception(env, TT_UNALIGNED);
- }
-}
-
-#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
- defined(DEBUG_MXCC)
-static void dump_mxcc(CPUSPARCState *env)
-{
- printf("mxccdata: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
- "\n",
- env->mxccdata[0], env->mxccdata[1],
- env->mxccdata[2], env->mxccdata[3]);
- printf("mxccregs: %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
- "\n"
- " %016" PRIx64 " %016" PRIx64 " %016" PRIx64 " %016" PRIx64
- "\n",
- env->mxccregs[0], env->mxccregs[1],
- env->mxccregs[2], env->mxccregs[3],
- env->mxccregs[4], env->mxccregs[5],
- env->mxccregs[6], env->mxccregs[7]);
-}
-#endif
-
-#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
- && defined(DEBUG_ASI)
-static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
- uint64_t r1)
-{
- switch (size) {
- case 1:
- DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
- addr, asi, r1 & 0xff);
- break;
- case 2:
- DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
- addr, asi, r1 & 0xffff);
- break;
- case 4:
- DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
- addr, asi, r1 & 0xffffffff);
- break;
- case 8:
- DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
- addr, asi, r1);
- break;
- }
-}
-#endif
-
-#ifndef TARGET_SPARC64
-#ifndef CONFIG_USER_ONLY
-
-
-/* Leon3 cache control */
-
-static void leon3_cache_control_st(CPUSPARCState *env, target_ulong addr,
- uint64_t val, int size)
-{
- DPRINTF_CACHE_CONTROL("st addr:%08x, val:%" PRIx64 ", size:%d\n",
- addr, val, size);
-
- if (size != 4) {
- DPRINTF_CACHE_CONTROL("32bits only\n");
- return;
- }
-
- switch (addr) {
- case 0x00: /* Cache control */
-
- /* These values must always be read as zeros */
- val &= ~CACHE_CTRL_FD;
- val &= ~CACHE_CTRL_FI;
- val &= ~CACHE_CTRL_IB;
- val &= ~CACHE_CTRL_IP;
- val &= ~CACHE_CTRL_DP;
-
- env->cache_control = val;
- break;
- case 0x04: /* Instruction cache configuration */
- case 0x08: /* Data cache configuration */
- /* Read Only */
- break;
- default:
- DPRINTF_CACHE_CONTROL("write unknown register %08x\n", addr);
- break;
- };
-}
-
-static uint64_t leon3_cache_control_ld(CPUSPARCState *env, target_ulong addr,
- int size)
-{
- uint64_t ret = 0;
-
- if (size != 4) {
- DPRINTF_CACHE_CONTROL("32bits only\n");
- return 0;
- }
-
- switch (addr) {
- case 0x00: /* Cache control */
- ret = env->cache_control;
- break;
-
- /* Configuration registers are read and only always keep those
- predefined values */
-
- case 0x04: /* Instruction cache configuration */
- ret = 0x10220000;
- break;
- case 0x08: /* Data cache configuration */
- ret = 0x18220000;
- break;
- default:
- DPRINTF_CACHE_CONTROL("read unknown register %08x\n", addr);
- break;
- };
- DPRINTF_CACHE_CONTROL("ld addr:%08x, ret:0x%" PRIx64 ", size:%d\n",
- addr, ret, size);
- return ret;
-}
-
-uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
- int sign)
-{
- CPUState *cs = CPU(sparc_env_get_cpu(env));
- uint64_t ret = 0;
-#if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
- uint32_t last_addr = addr;
-#endif
-
- helper_check_align(env, addr, size - 1);
- switch (asi) {
- case 2: /* SuperSparc MXCC registers and Leon3 cache control */
- switch (addr) {
- case 0x00: /* Leon3 Cache Control */
- case 0x08: /* Leon3 Instruction Cache config */
- case 0x0C: /* Leon3 Date Cache config */
- if (env->def->features & CPU_FEATURE_CACHE_CTRL) {
- ret = leon3_cache_control_ld(env, addr, size);
- }
- break;
- case 0x01c00a00: /* MXCC control register */
- if (size == 8) {
- ret = env->mxccregs[3];
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00a04: /* MXCC control register */
- if (size == 4) {
- ret = env->mxccregs[3];
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00c00: /* Module reset register */
- if (size == 8) {
- ret = env->mxccregs[5];
- /* should we do something here? */
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00f00: /* MBus port address register */
- if (size == 8) {
- ret = env->mxccregs[7];
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- default:
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented address, size: %d\n", addr,
- size);
- break;
- }
- DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
- "addr = %08x -> ret = %" PRIx64 ","
- "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
-#ifdef DEBUG_MXCC
- dump_mxcc(env);
-#endif
- break;
- case 3: /* MMU probe */
- case 0x18: /* LEON3 MMU probe */
- {
- int mmulev;
-
- mmulev = (addr >> 8) & 15;
- if (mmulev > 4) {
- ret = 0;
- } else {
- ret = mmu_probe(env, addr, mmulev);
- }
- DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
- addr, mmulev, ret);
- }
- break;
- case 4: /* read MMU regs */
- case 0x19: /* LEON3 read MMU regs */
- {
- int reg = (addr >> 8) & 0x1f;
-
- ret = env->mmuregs[reg];
- if (reg == 3) { /* Fault status cleared on read */
- env->mmuregs[3] = 0;
- } else if (reg == 0x13) { /* Fault status read */
- ret = env->mmuregs[3];
- } else if (reg == 0x14) { /* Fault address read */
- ret = env->mmuregs[4];
- }
- DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
- }
- break;
- case 5: /* Turbosparc ITLB Diagnostic */
- case 6: /* Turbosparc DTLB Diagnostic */
- case 7: /* Turbosparc IOTLB Diagnostic */
- break;
- case 9: /* Supervisor code access */
- switch (size) {
- case 1:
- ret = cpu_ldub_code(env, addr);
- break;
- case 2:
- ret = cpu_lduw_code(env, addr);
- break;
- default:
- case 4:
- ret = cpu_ldl_code(env, addr);
- break;
- case 8:
- ret = cpu_ldq_code(env, addr);
- break;
- }
- break;
- case 0xa: /* User data access */
- switch (size) {
- case 1:
- ret = cpu_ldub_user(env, addr);
- break;
- case 2:
- ret = cpu_lduw_user(env, addr);
- break;
- default:
- case 4:
- ret = cpu_ldl_user(env, addr);
- break;
- case 8:
- ret = cpu_ldq_user(env, addr);
- break;
- }
- break;
- case 0xb: /* Supervisor data access */
- case 0x80:
- switch (size) {
- case 1:
- ret = cpu_ldub_kernel(env, addr);
- break;
- case 2:
- ret = cpu_lduw_kernel(env, addr);
- break;
- default:
- case 4:
- ret = cpu_ldl_kernel(env, addr);
- break;
- case 8:
- ret = cpu_ldq_kernel(env, addr);
- break;
- }
- break;
- case 0xc: /* I-cache tag */
- case 0xd: /* I-cache data */
- case 0xe: /* D-cache tag */
- case 0xf: /* D-cache data */
- break;
- case 0x20: /* MMU passthrough */
- case 0x1c: /* LEON MMU passthrough */
- switch (size) {
- case 1:
- ret = ldub_phys(cs->as, addr);
- break;
- case 2:
- ret = lduw_phys(cs->as, addr);
- break;
- default:
- case 4:
- ret = ldl_phys(cs->as, addr);
- break;
- case 8:
- ret = ldq_phys(cs->as, addr);
- break;
- }
- break;
- case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
- switch (size) {
- case 1:
- ret = ldub_phys(cs->as, (hwaddr)addr
- | ((hwaddr)(asi & 0xf) << 32));
- break;
- case 2:
- ret = lduw_phys(cs->as, (hwaddr)addr
- | ((hwaddr)(asi & 0xf) << 32));
- break;
- default:
- case 4:
- ret = ldl_phys(cs->as, (hwaddr)addr
- | ((hwaddr)(asi & 0xf) << 32));
- break;
- case 8:
- ret = ldq_phys(cs->as, (hwaddr)addr
- | ((hwaddr)(asi & 0xf) << 32));
- break;
- }
- break;
- case 0x30: /* Turbosparc secondary cache diagnostic */
- case 0x31: /* Turbosparc RAM snoop */
- case 0x32: /* Turbosparc page table descriptor diagnostic */
- case 0x39: /* data cache diagnostic register */
- ret = 0;
- break;
- case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */
- {
- int reg = (addr >> 8) & 3;
-
- switch (reg) {
- case 0: /* Breakpoint Value (Addr) */
- ret = env->mmubpregs[reg];
- break;
- case 1: /* Breakpoint Mask */
- ret = env->mmubpregs[reg];
- break;
- case 2: /* Breakpoint Control */
- ret = env->mmubpregs[reg];
- break;
- case 3: /* Breakpoint Status */
- ret = env->mmubpregs[reg];
- env->mmubpregs[reg] = 0ULL;
- break;
- }
- DPRINTF_MMU("read breakpoint reg[%d] 0x%016" PRIx64 "\n", reg,
- ret);
- }
- break;
- case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */
- ret = env->mmubpctrv;
- break;
- case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */
- ret = env->mmubpctrc;
- break;
- case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */
- ret = env->mmubpctrs;
- break;
- case 0x4c: /* SuperSPARC MMU Breakpoint Action */
- ret = env->mmubpaction;
- break;
- case 8: /* User code access, XXX */
- default:
- cpu_unassigned_access(cs, addr, false, false, asi, size);
- ret = 0;
- break;
- }
- if (sign) {
- switch (size) {
- case 1:
- ret = (int8_t) ret;
- break;
- case 2:
- ret = (int16_t) ret;
- break;
- case 4:
- ret = (int32_t) ret;
- break;
- default:
- break;
- }
- }
-#ifdef DEBUG_ASI
- dump_asi("read ", last_addr, asi, size, ret);
-#endif
- return ret;
-}
-
-void helper_st_asi(CPUSPARCState *env, target_ulong addr, uint64_t val, int asi,
- int size)
-{
- SPARCCPU *cpu = sparc_env_get_cpu(env);
- CPUState *cs = CPU(cpu);
-
- helper_check_align(env, addr, size - 1);
- switch (asi) {
- case 2: /* SuperSparc MXCC registers and Leon3 cache control */
- switch (addr) {
- case 0x00: /* Leon3 Cache Control */
- case 0x08: /* Leon3 Instruction Cache config */
- case 0x0C: /* Leon3 Date Cache config */
- if (env->def->features & CPU_FEATURE_CACHE_CTRL) {
- leon3_cache_control_st(env, addr, val, size);
- }
- break;
-
- case 0x01c00000: /* MXCC stream data register 0 */
- if (size == 8) {
- env->mxccdata[0] = val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00008: /* MXCC stream data register 1 */
- if (size == 8) {
- env->mxccdata[1] = val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00010: /* MXCC stream data register 2 */
- if (size == 8) {
- env->mxccdata[2] = val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00018: /* MXCC stream data register 3 */
- if (size == 8) {
- env->mxccdata[3] = val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00100: /* MXCC stream source */
- if (size == 8) {
- env->mxccregs[0] = val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- env->mxccdata[0] = ldq_phys(cs->as,
- (env->mxccregs[0] & 0xffffffffULL) +
- 0);
- env->mxccdata[1] = ldq_phys(cs->as,
- (env->mxccregs[0] & 0xffffffffULL) +
- 8);
- env->mxccdata[2] = ldq_phys(cs->as,
- (env->mxccregs[0] & 0xffffffffULL) +
- 16);
- env->mxccdata[3] = ldq_phys(cs->as,
- (env->mxccregs[0] & 0xffffffffULL) +
- 24);
- break;
- case 0x01c00200: /* MXCC stream destination */
- if (size == 8) {
- env->mxccregs[1] = val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- stq_phys(cs->as, (env->mxccregs[1] & 0xffffffffULL) + 0,
- env->mxccdata[0]);
- stq_phys(cs->as, (env->mxccregs[1] & 0xffffffffULL) + 8,
- env->mxccdata[1]);
- stq_phys(cs->as, (env->mxccregs[1] & 0xffffffffULL) + 16,
- env->mxccdata[2]);
- stq_phys(cs->as, (env->mxccregs[1] & 0xffffffffULL) + 24,
- env->mxccdata[3]);
- break;
- case 0x01c00a00: /* MXCC control register */
- if (size == 8) {
- env->mxccregs[3] = val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00a04: /* MXCC control register */
- if (size == 4) {
- env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
- | val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00e00: /* MXCC error register */
- /* writing a 1 bit clears the error */
- if (size == 8) {
- env->mxccregs[6] &= ~val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- case 0x01c00f00: /* MBus port address register */
- if (size == 8) {
- env->mxccregs[7] = val;
- } else {
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented access size: %d\n", addr,
- size);
- }
- break;
- default:
- qemu_log_mask(LOG_UNIMP,
- "%08x: unimplemented address, size: %d\n", addr,
- size);
- break;
- }
- DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n",
- asi, size, addr, val);
-#ifdef DEBUG_MXCC
- dump_mxcc(env);
-#endif
- break;
- case 3: /* MMU flush */
- case 0x18: /* LEON3 MMU flush */
- {
- int mmulev;
-
- mmulev = (addr >> 8) & 15;
- DPRINTF_MMU("mmu flush level %d\n", mmulev);
- switch (mmulev) {
- case 0: /* flush page */
- tlb_flush_page(CPU(cpu), addr & 0xfffff000);
- break;
- case 1: /* flush segment (256k) */
- case 2: /* flush region (16M) */
- case 3: /* flush context (4G) */
- case 4: /* flush entire */
- tlb_flush(CPU(cpu), 1);
- break;
- default:
- break;
- }
-#ifdef DEBUG_MMU
- dump_mmu(stdout, fprintf, env);
-#endif
- }
- break;
- case 4: /* write MMU regs */
- case 0x19: /* LEON3 write MMU regs */
- {
- int reg = (addr >> 8) & 0x1f;
- uint32_t oldreg;
-
- oldreg = env->mmuregs[reg];
- switch (reg) {
- case 0: /* Control Register */
- env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
- (val & 0x00ffffff);
- /* Mappings generated during no-fault mode or MMU
- disabled mode are invalid in normal mode */
- if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
- (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm))) {
- tlb_flush(CPU(cpu), 1);
- }
- break;
- case 1: /* Context Table Pointer Register */
- env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
- break;
- case 2: /* Context Register */
- env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
- if (oldreg != env->mmuregs[reg]) {
- /* we flush when the MMU context changes because
- QEMU has no MMU context support */
- tlb_flush(CPU(cpu), 1);
- }
- break;
- case 3: /* Synchronous Fault Status Register with Clear */
- case 4: /* Synchronous Fault Address Register */
- break;
- case 0x10: /* TLB Replacement Control Register */
- env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
- break;
- case 0x13: /* Synchronous Fault Status Register with Read
- and Clear */
- env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
- break;
- case 0x14: /* Synchronous Fault Address Register */
- env->mmuregs[4] = val;
- break;
- default:
- env->mmuregs[reg] = val;
- break;
- }
- if (oldreg != env->mmuregs[reg]) {
- DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
- reg, oldreg, env->mmuregs[reg]);
- }
-#ifdef DEBUG_MMU
- dump_mmu(stdout, fprintf, env);
-#endif
- }
- break;
- case 5: /* Turbosparc ITLB Diagnostic */
- case 6: /* Turbosparc DTLB Diagnostic */
- case 7: /* Turbosparc IOTLB Diagnostic */
- break;
- case 0xa: /* User data access */
- switch (size) {
- case 1:
- cpu_stb_user(env, addr, val);
- break;
- case 2:
- cpu_stw_user(env, addr, val);
- break;
- default:
- case 4:
- cpu_stl_user(env, addr, val);
- break;
- case 8:
- cpu_stq_user(env, addr, val);
- break;
- }
- break;
- case 0xb: /* Supervisor data access */
- case 0x80:
- switch (size) {
- case 1:
- cpu_stb_kernel(env, addr, val);
- break;
- case 2:
- cpu_stw_kernel(env, addr, val);
- break;
- default:
- case 4:
- cpu_stl_kernel(env, addr, val);
- break;
- case 8:
- cpu_stq_kernel(env, addr, val);
- break;
- }
- break;
- case 0xc: /* I-cache tag */
- case 0xd: /* I-cache data */
- case 0xe: /* D-cache tag */
- case 0xf: /* D-cache data */
- case 0x10: /* I/D-cache flush page */
- case 0x11: /* I/D-cache flush segment */
- case 0x12: /* I/D-cache flush region */
- case 0x13: /* I/D-cache flush context */
- case 0x14: /* I/D-cache flush user */
- break;
- case 0x17: /* Block copy, sta access */
- {
- /* val = src
- addr = dst
- copy 32 bytes */
- unsigned int i;
- uint32_t src = val & ~3, dst = addr & ~3, temp;
-
- for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
- temp = cpu_ldl_kernel(env, src);
- cpu_stl_kernel(env, dst, temp);
- }
- }
- break;
- case 0x1f: /* Block fill, stda access */
- {
- /* addr = dst
- fill 32 bytes with val */
- unsigned int i;
- uint32_t dst = addr & 7;
-
- for (i = 0; i < 32; i += 8, dst += 8) {
- cpu_stq_kernel(env, dst, val);
- }
- }
- break;
- case 0x20: /* MMU passthrough */
- case 0x1c: /* LEON MMU passthrough */
- {
- switch (size) {
- case 1:
- stb_phys(cs->as, addr, val);
- break;
- case 2:
- stw_phys(cs->as, addr, val);
- break;
- case 4:
- default:
- stl_phys(cs->as, addr, val);
- break;
- case 8:
- stq_phys(cs->as, addr, val);
- break;
- }
- }
- break;
- case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
- {
- switch (size) {
- case 1:
- stb_phys(cs->as, (hwaddr)addr
- | ((hwaddr)(asi & 0xf) << 32), val);
- break;
- case 2:
- stw_phys(cs->as, (hwaddr)addr
- | ((hwaddr)(asi & 0xf) << 32), val);
- break;
- case 4:
- default:
- stl_phys(cs->as, (hwaddr)addr
- | ((hwaddr)(asi & 0xf) << 32), val);
- break;
- case 8:
- stq_phys(cs->as, (hwaddr)addr
- | ((hwaddr)(asi & 0xf) << 32), val);
- break;
- }
- }
- break;
- case 0x30: /* store buffer tags or Turbosparc secondary cache diagnostic */
- case 0x31: /* store buffer data, Ross RT620 I-cache flush or
- Turbosparc snoop RAM */
- case 0x32: /* store buffer control or Turbosparc page table
- descriptor diagnostic */
- case 0x36: /* I-cache flash clear */
- case 0x37: /* D-cache flash clear */
- break;
- case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/
- {
- int reg = (addr >> 8) & 3;
-
- switch (reg) {
- case 0: /* Breakpoint Value (Addr) */
- env->mmubpregs[reg] = (val & 0xfffffffffULL);
- break;
- case 1: /* Breakpoint Mask */
- env->mmubpregs[reg] = (val & 0xfffffffffULL);
- break;
- case 2: /* Breakpoint Control */
- env->mmubpregs[reg] = (val & 0x7fULL);
- break;
- case 3: /* Breakpoint Status */
- env->mmubpregs[reg] = (val & 0xfULL);
- break;
- }
- DPRINTF_MMU("write breakpoint reg[%d] 0x%016x\n", reg,
- env->mmuregs[reg]);
- }
- break;
- case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */
- env->mmubpctrv = val & 0xffffffff;
- break;
- case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */
- env->mmubpctrc = val & 0x3;
- break;
- case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */
- env->mmubpctrs = val & 0x3;
- break;
- case 0x4c: /* SuperSPARC MMU Breakpoint Action */
- env->mmubpaction = val & 0x1fff;
- break;
- case 8: /* User code access, XXX */
- case 9: /* Supervisor code access, XXX */
- default:
- cpu_unassigned_access(CPU(sparc_env_get_cpu(env)),
- addr, true, false, asi, size);
- break;
- }
-#ifdef DEBUG_ASI
- dump_asi("write", addr, asi, size, val);
-#endif
-}
-
-#endif /* CONFIG_USER_ONLY */
-#else /* TARGET_SPARC64 */
-
-#ifdef CONFIG_USER_ONLY
-uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
- int sign)
-{
- uint64_t ret = 0;
-#if defined(DEBUG_ASI)
- target_ulong last_addr = addr;
-#endif
-
- if (asi < 0x80) {
- helper_raise_exception(env, TT_PRIV_ACT);
- }
-
- helper_check_align(env, addr, size - 1);
- addr = asi_address_mask(env, asi, addr);
-
- switch (asi) {
- case 0x82: /* Primary no-fault */
- case 0x8a: /* Primary no-fault LE */
- if (page_check_range(addr, size, PAGE_READ) == -1) {
-#ifdef DEBUG_ASI
- dump_asi("read ", last_addr, asi, size, ret);
-#endif
- return 0;
- }
- /* Fall through */
- case 0x80: /* Primary */
- case 0x88: /* Primary LE */
- {
- switch (size) {
- case 1:
- ret = cpu_ldub_data(env, addr);
- break;
- case 2:
- ret = cpu_lduw_data(env, addr);
- break;
- case 4:
- ret = cpu_ldl_data(env, addr);
- break;
- default:
- case 8:
- ret = cpu_ldq_data(env, addr);
- break;
- }
- }
- break;
- case 0x83: /* Secondary no-fault */
- case 0x8b: /* Secondary no-fault LE */
- if (page_check_range(addr, size, PAGE_READ) == -1) {
-#ifdef DEBUG_ASI
- dump_asi("read ", last_addr, asi, size, ret);
-#endif
- return 0;
- }
- /* Fall through */
- case 0x81: /* Secondary */
- case 0x89: /* Secondary LE */
- /* XXX */
- break;
- default:
- break;
- }
-
- /* Convert from little endian */
- switch (asi) {
- case 0x88: /* Primary LE */
- case 0x89: /* Secondary LE */
- case 0x8a: /* Primary no-fault LE */
- case 0x8b: /* Secondary no-fault LE */
- switch (size) {
- case 2:
- ret = bswap16(ret);
- break;
- case 4:
- ret = bswap32(ret);
- break;
- case 8:
- ret = bswap64(ret);
- break;
- default:
- break;
- }
- default:
- break;
- }
-
- /* Convert to signed number */
- if (sign) {
- switch (size) {
- case 1:
- ret = (int8_t) ret;
- break;
- case 2:
- ret = (int16_t) ret;
- break;
- case 4:
- ret = (int32_t) ret;
- break;
- default:
- break;
- }
- }
-#ifdef DEBUG_ASI
- dump_asi("read ", last_addr, asi, size, ret);
-#endif
- return ret;
-}
-
-void helper_st_asi(CPUSPARCState *env, target_ulong addr, target_ulong val,
- int asi, int size)
-{
-#ifdef DEBUG_ASI
- dump_asi("write", addr, asi, size, val);
-#endif
- if (asi < 0x80) {
- helper_raise_exception(env, TT_PRIV_ACT);
- }
-
- helper_check_align(env, addr, size - 1);
- addr = asi_address_mask(env, asi, addr);
-
- /* Convert to little endian */
- switch (asi) {
- case 0x88: /* Primary LE */
- case 0x89: /* Secondary LE */
- switch (size) {
- case 2:
- val = bswap16(val);
- break;
- case 4:
- val = bswap32(val);
- break;
- case 8:
- val = bswap64(val);
- break;
- default:
- break;
- }
- default:
- break;
- }
-
- switch (asi) {
- case 0x80: /* Primary */
- case 0x88: /* Primary LE */
- {
- switch (size) {
- case 1:
- cpu_stb_data(env, addr, val);
- break;
- case 2:
- cpu_stw_data(env, addr, val);
- break;
- case 4:
- cpu_stl_data(env, addr, val);
- break;
- case 8:
- default:
- cpu_stq_data(env, addr, val);
- break;
- }
- }
- break;
- case 0x81: /* Secondary */
- case 0x89: /* Secondary LE */
- /* XXX */
- return;
-
- case 0x82: /* Primary no-fault, RO */
- case 0x83: /* Secondary no-fault, RO */
- case 0x8a: /* Primary no-fault LE, RO */
- case 0x8b: /* Secondary no-fault LE, RO */
- default:
- helper_raise_exception(env, TT_DATA_ACCESS);
- return;
- }
-}
-
-#else /* CONFIG_USER_ONLY */
-
-uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
- int sign)
-{
- CPUState *cs = CPU(sparc_env_get_cpu(env));
- uint64_t ret = 0;
-#if defined(DEBUG_ASI)
- target_ulong last_addr = addr;
-#endif
-
- asi &= 0xff;
-
- if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
- || (cpu_has_hypervisor(env)
- && asi >= 0x30 && asi < 0x80
- && !(env->hpstate & HS_PRIV))) {
- helper_raise_exception(env, TT_PRIV_ACT);
- }
-
- helper_check_align(env, addr, size - 1);
- addr = asi_address_mask(env, asi, addr);
-
- /* process nonfaulting loads first */
- if ((asi & 0xf6) == 0x82) {
- int mmu_idx;
-
- /* secondary space access has lowest asi bit equal to 1 */
- if (env->pstate & PS_PRIV) {
- mmu_idx = (asi & 1) ? MMU_KERNEL_SECONDARY_IDX : MMU_KERNEL_IDX;
- } else {
- mmu_idx = (asi & 1) ? MMU_USER_SECONDARY_IDX : MMU_USER_IDX;
- }
-
- if (cpu_get_phys_page_nofault(env, addr, mmu_idx) == -1ULL) {
-#ifdef DEBUG_ASI
- dump_asi("read ", last_addr, asi, size, ret);
-#endif
- /* env->exception_index is set in get_physical_address_data(). */
- helper_raise_exception(env, cs->exception_index);
- }
-
- /* convert nonfaulting load ASIs to normal load ASIs */
- asi &= ~0x02;
- }
-
- switch (asi) {
- case 0x10: /* As if user primary */
- case 0x11: /* As if user secondary */
- case 0x18: /* As if user primary LE */
- case 0x19: /* As if user secondary LE */
- case 0x80: /* Primary */
- case 0x81: /* Secondary */
- case 0x88: /* Primary LE */
- case 0x89: /* Secondary LE */
- case 0xe2: /* UA2007 Primary block init */
- case 0xe3: /* UA2007 Secondary block init */
- if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
- if (cpu_hypervisor_mode(env)) {
- switch (size) {
- case 1:
- ret = cpu_ldub_hypv(env, addr);
- break;
- case 2:
- ret = cpu_lduw_hypv(env, addr);
- break;
- case 4:
- ret = cpu_ldl_hypv(env, addr);
- break;
- default:
- case 8:
- ret = cpu_ldq_hypv(env, addr);
- break;
- }
- } else {
- /* secondary space access has lowest asi bit equal to 1 */
- if (asi & 1) {
- switch (size) {
- case 1:
- ret = cpu_ldub_kernel_secondary(env, addr);
- break;
- case 2:
- ret = cpu_lduw_kernel_secondary(env, addr);
- break;
- case 4:
- ret = cpu_ldl_kernel_secondary(env, addr);
- break;
- default:
- case 8:
- ret = cpu_ldq_kernel_secondary(env, addr);
- break;
- }
- } else {
- switch (size) {
- case 1:
- ret = cpu_ldub_kernel(env, addr);
- break;
- case 2:
- ret = cpu_lduw_kernel(env, addr);
- break;
- case 4:
- ret = cpu_ldl_kernel(env, addr);
- break;
- default:
- case 8:
- ret = cpu_ldq_kernel(env, addr);
- break;
- }
- }
- }
- } else {
- /* secondary space access has lowest asi bit equal to 1 */
- if (asi & 1) {
- switch (size) {
- case 1:
- ret = cpu_ldub_user_secondary(env, addr);
- break;
- case 2:
- ret = cpu_lduw_user_secondary(env, addr);
- break;
- case 4:
- ret = cpu_ldl_user_secondary(env, addr);
- break;
- default:
- case 8:
- ret = cpu_ldq_user_secondary(env, addr);
- break;
- }
- } else {
- switch (size) {
- case 1:
- ret = cpu_ldub_user(env, addr);
- break;
- case 2:
- ret = cpu_lduw_user(env, addr);
- break;
- case 4:
- ret = cpu_ldl_user(env, addr);
- break;
- default:
- case 8:
- ret = cpu_ldq_user(env, addr);
- break;
- }
- }
- }
- break;
- case 0x14: /* Bypass */
- case 0x15: /* Bypass, non-cacheable */
- case 0x1c: /* Bypass LE */
- case 0x1d: /* Bypass, non-cacheable LE */
- {
- switch (size) {
- case 1:
- ret = ldub_phys(cs->as, addr);
- break;
- case 2:
- ret = lduw_phys(cs->as, addr);
- break;
- case 4:
- ret = ldl_phys(cs->as, addr);
- break;
- default:
- case 8:
- ret = ldq_phys(cs->as, addr);
- break;
- }
- break;
- }
- case 0x24: /* Nucleus quad LDD 128 bit atomic */
- case 0x2c: /* Nucleus quad LDD 128 bit atomic LE
- Only ldda allowed */
- helper_raise_exception(env, TT_ILL_INSN);
- return 0;
- case 0x04: /* Nucleus */
- case 0x0c: /* Nucleus Little Endian (LE) */
- {
- switch (size) {
- case 1:
- ret = cpu_ldub_nucleus(env, addr);
- break;
- case 2:
- ret = cpu_lduw_nucleus(env, addr);
- break;
- case 4:
- ret = cpu_ldl_nucleus(env, addr);
- break;
- default:
- case 8:
- ret = cpu_ldq_nucleus(env, addr);
- break;
- }
- break;
- }
- case 0x4a: /* UPA config */
- /* XXX */
- break;
- case 0x45: /* LSU */
- ret = env->lsu;
- break;
- case 0x50: /* I-MMU regs */
- {
- int reg = (addr >> 3) & 0xf;
-
- if (reg == 0) {
- /* I-TSB Tag Target register */
- ret = ultrasparc_tag_target(env->immu.tag_access);
- } else {
- ret = env->immuregs[reg];
- }
-
- break;
- }
- case 0x51: /* I-MMU 8k TSB pointer */
- {
- /* env->immuregs[5] holds I-MMU TSB register value
- env->immuregs[6] holds I-MMU Tag Access register value */
- ret = ultrasparc_tsb_pointer(env->immu.tsb, env->immu.tag_access,
- 8*1024);
- break;
- }
- case 0x52: /* I-MMU 64k TSB pointer */
- {
- /* env->immuregs[5] holds I-MMU TSB register value
- env->immuregs[6] holds I-MMU Tag Access register value */
- ret = ultrasparc_tsb_pointer(env->immu.tsb, env->immu.tag_access,
- 64*1024);
- break;
- }
- case 0x55: /* I-MMU data access */
- {
- int reg = (addr >> 3) & 0x3f;
-
- ret = env->itlb[reg].tte;
- break;
- }
- case 0x56: /* I-MMU tag read */
- {
- int reg = (addr >> 3) & 0x3f;
-
- ret = env->itlb[reg].tag;
- break;
- }
- case 0x58: /* D-MMU regs */
- {
- int reg = (addr >> 3) & 0xf;
-
- if (reg == 0) {
- /* D-TSB Tag Target register */
- ret = ultrasparc_tag_target(env->dmmu.tag_access);
- } else {
- ret = env->dmmuregs[reg];
- }
- break;
- }
- case 0x59: /* D-MMU 8k TSB pointer */
- {
- /* env->dmmuregs[5] holds D-MMU TSB register value
- env->dmmuregs[6] holds D-MMU Tag Access register value */
- ret = ultrasparc_tsb_pointer(env->dmmu.tsb, env->dmmu.tag_access,
- 8*1024);
- break;
- }
- case 0x5a: /* D-MMU 64k TSB pointer */
- {
- /* env->dmmuregs[5] holds D-MMU TSB register value
- env->dmmuregs[6] holds D-MMU Tag Access register value */
- ret = ultrasparc_tsb_pointer(env->dmmu.tsb, env->dmmu.tag_access,
- 64*1024);
- break;
- }
- case 0x5d: /* D-MMU data access */
- {
- int reg = (addr >> 3) & 0x3f;
-
- ret = env->dtlb[reg].tte;
- break;
- }
- case 0x5e: /* D-MMU tag read */
- {
- int reg = (addr >> 3) & 0x3f;
-
- ret = env->dtlb[reg].tag;
- break;
- }
- case 0x48: /* Interrupt dispatch, RO */
- break;
- case 0x49: /* Interrupt data receive */
- ret = env->ivec_status;
- break;
- case 0x7f: /* Incoming interrupt vector, RO */
- {
- int reg = (addr >> 4) & 0x3;
- if (reg < 3) {
- ret = env->ivec_data[reg];
- }
- break;
- }
- case 0x46: /* D-cache data */
- case 0x47: /* D-cache tag access */
- case 0x4b: /* E-cache error enable */
- case 0x4c: /* E-cache asynchronous fault status */
- case 0x4d: /* E-cache asynchronous fault address */
- case 0x4e: /* E-cache tag data */
- case 0x66: /* I-cache instruction access */
- case 0x67: /* I-cache tag access */
- case 0x6e: /* I-cache predecode */
- case 0x6f: /* I-cache LRU etc. */
- case 0x76: /* E-cache tag */
- case 0x7e: /* E-cache tag */
- break;
- case 0x5b: /* D-MMU data pointer */
- case 0x54: /* I-MMU data in, WO */
- case 0x57: /* I-MMU demap, WO */
- case 0x5c: /* D-MMU data in, WO */
- case 0x5f: /* D-MMU demap, WO */
- case 0x77: /* Interrupt vector, WO */
- default:
- cpu_unassigned_access(cs, addr, false, false, 1, size);
- ret = 0;
- break;
- }
-
- /* Convert from little endian */
- switch (asi) {
- case 0x0c: /* Nucleus Little Endian (LE) */
- case 0x18: /* As if user primary LE */
- case 0x19: /* As if user secondary LE */
- case 0x1c: /* Bypass LE */
- case 0x1d: /* Bypass, non-cacheable LE */
- case 0x88: /* Primary LE */
- case 0x89: /* Secondary LE */
- switch(size) {
- case 2:
- ret = bswap16(ret);
- break;
- case 4:
- ret = bswap32(ret);
- break;
- case 8:
- ret = bswap64(ret);
- break;
- default:
- break;
- }
- default:
- break;
- }
-
- /* Convert to signed number */
- if (sign) {
- switch (size) {
- case 1:
- ret = (int8_t) ret;
- break;
- case 2:
- ret = (int16_t) ret;
- break;
- case 4:
- ret = (int32_t) ret;
- break;
- default:
- break;
- }
- }
-#ifdef DEBUG_ASI
- dump_asi("read ", last_addr, asi, size, ret);
-#endif
- return ret;
-}
-
-void helper_st_asi(CPUSPARCState *env, target_ulong addr, target_ulong val,
- int asi, int size)
-{
- SPARCCPU *cpu = sparc_env_get_cpu(env);
- CPUState *cs = CPU(cpu);
-
-#ifdef DEBUG_ASI
- dump_asi("write", addr, asi, size, val);
-#endif
-
- asi &= 0xff;
-
- if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
- || (cpu_has_hypervisor(env)
- && asi >= 0x30 && asi < 0x80
- && !(env->hpstate & HS_PRIV))) {
- helper_raise_exception(env, TT_PRIV_ACT);
- }
-
- helper_check_align(env, addr, size - 1);
- addr = asi_address_mask(env, asi, addr);
-
- /* Convert to little endian */
- switch (asi) {
- case 0x0c: /* Nucleus Little Endian (LE) */
- case 0x18: /* As if user primary LE */
- case 0x19: /* As if user secondary LE */
- case 0x1c: /* Bypass LE */
- case 0x1d: /* Bypass, non-cacheable LE */
- case 0x88: /* Primary LE */
- case 0x89: /* Secondary LE */
- switch (size) {
- case 2:
- val = bswap16(val);
- break;
- case 4:
- val = bswap32(val);
- break;
- case 8:
- val = bswap64(val);
- break;
- default:
- break;
- }
- default:
- break;
- }
-
- switch (asi) {
- case 0x10: /* As if user primary */
- case 0x11: /* As if user secondary */
- case 0x18: /* As if user primary LE */
- case 0x19: /* As if user secondary LE */
- case 0x80: /* Primary */
- case 0x81: /* Secondary */
- case 0x88: /* Primary LE */
- case 0x89: /* Secondary LE */
- case 0xe2: /* UA2007 Primary block init */
- case 0xe3: /* UA2007 Secondary block init */
- if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
- if (cpu_hypervisor_mode(env)) {
- switch (size) {
- case 1:
- cpu_stb_hypv(env, addr, val);
- break;
- case 2:
- cpu_stw_hypv(env, addr, val);
- break;
- case 4:
- cpu_stl_hypv(env, addr, val);
- break;
- case 8:
- default:
- cpu_stq_hypv(env, addr, val);
- break;
- }
- } else {
- /* secondary space access has lowest asi bit equal to 1 */
- if (asi & 1) {
- switch (size) {
- case 1:
- cpu_stb_kernel_secondary(env, addr, val);
- break;
- case 2:
- cpu_stw_kernel_secondary(env, addr, val);
- break;
- case 4:
- cpu_stl_kernel_secondary(env, addr, val);
- break;
- case 8:
- default:
- cpu_stq_kernel_secondary(env, addr, val);
- break;
- }
- } else {
- switch (size) {
- case 1:
- cpu_stb_kernel(env, addr, val);
- break;
- case 2:
- cpu_stw_kernel(env, addr, val);
- break;
- case 4:
- cpu_stl_kernel(env, addr, val);
- break;
- case 8:
- default:
- cpu_stq_kernel(env, addr, val);
- break;
- }
- }
- }
- } else {
- /* secondary space access has lowest asi bit equal to 1 */
- if (asi & 1) {
- switch (size) {
- case 1:
- cpu_stb_user_secondary(env, addr, val);
- break;
- case 2:
- cpu_stw_user_secondary(env, addr, val);
- break;
- case 4:
- cpu_stl_user_secondary(env, addr, val);
- break;
- case 8:
- default:
- cpu_stq_user_secondary(env, addr, val);
- break;
- }
- } else {
- switch (size) {
- case 1:
- cpu_stb_user(env, addr, val);
- break;
- case 2:
- cpu_stw_user(env, addr, val);
- break;
- case 4:
- cpu_stl_user(env, addr, val);
- break;
- case 8:
- default:
- cpu_stq_user(env, addr, val);
- break;
- }
- }
- }
- break;
- case 0x14: /* Bypass */
- case 0x15: /* Bypass, non-cacheable */
- case 0x1c: /* Bypass LE */
- case 0x1d: /* Bypass, non-cacheable LE */
- {
- switch (size) {
- case 1:
- stb_phys(cs->as, addr, val);
- break;
- case 2:
- stw_phys(cs->as, addr, val);
- break;
- case 4:
- stl_phys(cs->as, addr, val);
- break;
- case 8:
- default:
- stq_phys(cs->as, addr, val);
- break;
- }
- }
- return;
- case 0x24: /* Nucleus quad LDD 128 bit atomic */
- case 0x2c: /* Nucleus quad LDD 128 bit atomic LE
- Only ldda allowed */
- helper_raise_exception(env, TT_ILL_INSN);
- return;
- case 0x04: /* Nucleus */
- case 0x0c: /* Nucleus Little Endian (LE) */
- {
- switch (size) {
- case 1:
- cpu_stb_nucleus(env, addr, val);
- break;
- case 2:
- cpu_stw_nucleus(env, addr, val);
- break;
- case 4:
- cpu_stl_nucleus(env, addr, val);
- break;
- default:
- case 8:
- cpu_stq_nucleus(env, addr, val);
- break;
- }
- break;
- }
-
- case 0x4a: /* UPA config */
- /* XXX */
- return;
- case 0x45: /* LSU */
- {
- uint64_t oldreg;
-
- oldreg = env->lsu;
- env->lsu = val & (DMMU_E | IMMU_E);
- /* Mappings generated during D/I MMU disabled mode are
- invalid in normal mode */
- if (oldreg != env->lsu) {
- DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
- oldreg, env->lsu);
-#ifdef DEBUG_MMU
- dump_mmu(stdout, fprintf, env);
-#endif
- tlb_flush(CPU(cpu), 1);
- }
- return;
- }
- case 0x50: /* I-MMU regs */
- {
- int reg = (addr >> 3) & 0xf;
- uint64_t oldreg;
-
- oldreg = env->immuregs[reg];
- switch (reg) {
- case 0: /* RO */
- return;
- case 1: /* Not in I-MMU */
- case 2:
- return;
- case 3: /* SFSR */
- if ((val & 1) == 0) {
- val = 0; /* Clear SFSR */
- }
- env->immu.sfsr = val;
- break;
- case 4: /* RO */
- return;
- case 5: /* TSB access */
- DPRINTF_MMU("immu TSB write: 0x%016" PRIx64 " -> 0x%016"
- PRIx64 "\n", env->immu.tsb, val);
- env->immu.tsb = val;
- break;
- case 6: /* Tag access */
- env->immu.tag_access = val;
- break;
- case 7:
- case 8:
- return;
- default:
- break;
- }
-
- if (oldreg != env->immuregs[reg]) {
- DPRINTF_MMU("immu change reg[%d]: 0x%016" PRIx64 " -> 0x%016"
- PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
- }
-#ifdef DEBUG_MMU
- dump_mmu(stdout, fprintf, env);
-#endif
- return;
- }
- case 0x54: /* I-MMU data in */
- replace_tlb_1bit_lru(env->itlb, env->immu.tag_access, val, "immu", env);
- return;
- case 0x55: /* I-MMU data access */
- {
- /* TODO: auto demap */
-
- unsigned int i = (addr >> 3) & 0x3f;
-
- replace_tlb_entry(&env->itlb[i], env->immu.tag_access, val, env);
-
-#ifdef DEBUG_MMU
- DPRINTF_MMU("immu data access replaced entry [%i]\n", i);
- dump_mmu(stdout, fprintf, env);
-#endif
- return;
- }
- case 0x57: /* I-MMU demap */
- demap_tlb(env->itlb, addr, "immu", env);
- return;
- case 0x58: /* D-MMU regs */
- {
- int reg = (addr >> 3) & 0xf;
- uint64_t oldreg;
-
- oldreg = env->dmmuregs[reg];
- switch (reg) {
- case 0: /* RO */
- case 4:
- return;
- case 3: /* SFSR */
- if ((val & 1) == 0) {
- val = 0; /* Clear SFSR, Fault address */
- env->dmmu.sfar = 0;
- }
- env->dmmu.sfsr = val;
- break;
- case 1: /* Primary context */
- env->dmmu.mmu_primary_context = val;
- /* can be optimized to only flush MMU_USER_IDX
- and MMU_KERNEL_IDX entries */
- tlb_flush(CPU(cpu), 1);
- break;
- case 2: /* Secondary context */
- env->dmmu.mmu_secondary_context = val;
- /* can be optimized to only flush MMU_USER_SECONDARY_IDX
- and MMU_KERNEL_SECONDARY_IDX entries */
- tlb_flush(CPU(cpu), 1);
- break;
- case 5: /* TSB access */
- DPRINTF_MMU("dmmu TSB write: 0x%016" PRIx64 " -> 0x%016"
- PRIx64 "\n", env->dmmu.tsb, val);
- env->dmmu.tsb = val;
- break;
- case 6: /* Tag access */
- env->dmmu.tag_access = val;
- break;
- case 7: /* Virtual Watchpoint */
- case 8: /* Physical Watchpoint */
- default:
- env->dmmuregs[reg] = val;
- break;
- }
-
- if (oldreg != env->dmmuregs[reg]) {
- DPRINTF_MMU("dmmu change reg[%d]: 0x%016" PRIx64 " -> 0x%016"
- PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
- }
-#ifdef DEBUG_MMU
- dump_mmu(stdout, fprintf, env);
-#endif
- return;
- }
- case 0x5c: /* D-MMU data in */
- replace_tlb_1bit_lru(env->dtlb, env->dmmu.tag_access, val, "dmmu", env);
- return;
- case 0x5d: /* D-MMU data access */
- {
- unsigned int i = (addr >> 3) & 0x3f;
-
- replace_tlb_entry(&env->dtlb[i], env->dmmu.tag_access, val, env);
-
-#ifdef DEBUG_MMU
- DPRINTF_MMU("dmmu data access replaced entry [%i]\n", i);
- dump_mmu(stdout, fprintf, env);
-#endif
- return;
- }
- case 0x5f: /* D-MMU demap */
- demap_tlb(env->dtlb, addr, "dmmu", env);
- return;
- case 0x49: /* Interrupt data receive */
- env->ivec_status = val & 0x20;
- return;
- case 0x46: /* D-cache data */
- case 0x47: /* D-cache tag access */
- case 0x4b: /* E-cache error enable */
- case 0x4c: /* E-cache asynchronous fault status */
- case 0x4d: /* E-cache asynchronous fault address */
- case 0x4e: /* E-cache tag data */
- case 0x66: /* I-cache instruction access */
- case 0x67: /* I-cache tag access */
- case 0x6e: /* I-cache predecode */
- case 0x6f: /* I-cache LRU etc. */
- case 0x76: /* E-cache tag */
- case 0x7e: /* E-cache tag */
- return;
- case 0x51: /* I-MMU 8k TSB pointer, RO */
- case 0x52: /* I-MMU 64k TSB pointer, RO */
- case 0x56: /* I-MMU tag read, RO */
- case 0x59: /* D-MMU 8k TSB pointer, RO */
- case 0x5a: /* D-MMU 64k TSB pointer, RO */
- case 0x5b: /* D-MMU data pointer, RO */
- case 0x5e: /* D-MMU tag read, RO */
- case 0x48: /* Interrupt dispatch, RO */
- case 0x7f: /* Incoming interrupt vector, RO */
- case 0x82: /* Primary no-fault, RO */
- case 0x83: /* Secondary no-fault, RO */
- case 0x8a: /* Primary no-fault LE, RO */
- case 0x8b: /* Secondary no-fault LE, RO */
- default:
- cpu_unassigned_access(cs, addr, true, false, 1, size);
- return;
- }
-}
-#endif /* CONFIG_USER_ONLY */
-
-void helper_ldda_asi(CPUSPARCState *env, target_ulong addr, int asi, int rd)
-{
- if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
- || (cpu_has_hypervisor(env)
- && asi >= 0x30 && asi < 0x80
- && !(env->hpstate & HS_PRIV))) {
- helper_raise_exception(env, TT_PRIV_ACT);
- }
-
- addr = asi_address_mask(env, asi, addr);
-
- switch (asi) {
-#if !defined(CONFIG_USER_ONLY)
- case 0x24: /* Nucleus quad LDD 128 bit atomic */
- case 0x2c: /* Nucleus quad LDD 128 bit atomic LE */
- helper_check_align(env, addr, 0xf);
- if (rd == 0) {
- env->gregs[1] = cpu_ldq_nucleus(env, addr + 8);
- if (asi == 0x2c) {
- bswap64s(&env->gregs[1]);
- }
- } else if (rd < 8) {
- env->gregs[rd] = cpu_ldq_nucleus(env, addr);
- env->gregs[rd + 1] = cpu_ldq_nucleus(env, addr + 8);
- if (asi == 0x2c) {
- bswap64s(&env->gregs[rd]);
- bswap64s(&env->gregs[rd + 1]);
- }
- } else {
- env->regwptr[rd - 8] = cpu_ldq_nucleus(env, addr);
- env->regwptr[rd + 1 - 8] = cpu_ldq_nucleus(env, addr + 8);
- if (asi == 0x2c) {
- bswap64s(&env->regwptr[rd - 8]);
- bswap64s(&env->regwptr[rd + 1 - 8]);
- }
- }
- break;
-#endif
- default:
- helper_check_align(env, addr, 0x3);
- if (rd == 0) {
- env->gregs[1] = helper_ld_asi(env, addr + 4, asi, 4, 0);
- } else if (rd < 8) {
- env->gregs[rd] = helper_ld_asi(env, addr, asi, 4, 0);
- env->gregs[rd + 1] = helper_ld_asi(env, addr + 4, asi, 4, 0);
- } else {
- env->regwptr[rd - 8] = helper_ld_asi(env, addr, asi, 4, 0);
- env->regwptr[rd + 1 - 8] = helper_ld_asi(env, addr + 4, asi, 4, 0);
- }
- break;
- }
-}
-
-void helper_ldf_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
- int rd)
-{
- unsigned int i;
- target_ulong val;
-
- helper_check_align(env, addr, 3);
- addr = asi_address_mask(env, asi, addr);
-
- switch (asi) {
- case 0xf0: /* UA2007/JPS1 Block load primary */
- case 0xf1: /* UA2007/JPS1 Block load secondary */
- case 0xf8: /* UA2007/JPS1 Block load primary LE */
- case 0xf9: /* UA2007/JPS1 Block load secondary LE */
- if (rd & 7) {
- helper_raise_exception(env, TT_ILL_INSN);
- return;
- }
- helper_check_align(env, addr, 0x3f);
- for (i = 0; i < 8; i++, rd += 2, addr += 8) {
- env->fpr[rd / 2].ll = helper_ld_asi(env, addr, asi & 0x8f, 8, 0);
- }
- return;
-
- case 0x16: /* UA2007 Block load primary, user privilege */
- case 0x17: /* UA2007 Block load secondary, user privilege */
- case 0x1e: /* UA2007 Block load primary LE, user privilege */
- case 0x1f: /* UA2007 Block load secondary LE, user privilege */
- case 0x70: /* JPS1 Block load primary, user privilege */
- case 0x71: /* JPS1 Block load secondary, user privilege */
- case 0x78: /* JPS1 Block load primary LE, user privilege */
- case 0x79: /* JPS1 Block load secondary LE, user privilege */
- if (rd & 7) {
- helper_raise_exception(env, TT_ILL_INSN);
- return;
- }
- helper_check_align(env, addr, 0x3f);
- for (i = 0; i < 8; i++, rd += 2, addr += 8) {
- env->fpr[rd / 2].ll = helper_ld_asi(env, addr, asi & 0x19, 8, 0);
- }
- return;
-
- default:
- break;
- }
-
- switch (size) {
- default:
- case 4:
- val = helper_ld_asi(env, addr, asi, size, 0);
- if (rd & 1) {
- env->fpr[rd / 2].l.lower = val;
- } else {
- env->fpr[rd / 2].l.upper = val;
- }
- break;
- case 8:
- env->fpr[rd / 2].ll = helper_ld_asi(env, addr, asi, size, 0);
- break;
- case 16:
- env->fpr[rd / 2].ll = helper_ld_asi(env, addr, asi, 8, 0);
- env->fpr[rd / 2 + 1].ll = helper_ld_asi(env, addr + 8, asi, 8, 0);
- break;
- }
-}
-
-void helper_stf_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
- int rd)
-{
- unsigned int i;
- target_ulong val;
-
- addr = asi_address_mask(env, asi, addr);
-
- switch (asi) {
- case 0xe0: /* UA2007/JPS1 Block commit store primary (cache flush) */
- case 0xe1: /* UA2007/JPS1 Block commit store secondary (cache flush) */
- case 0xf0: /* UA2007/JPS1 Block store primary */
- case 0xf1: /* UA2007/JPS1 Block store secondary */
- case 0xf8: /* UA2007/JPS1 Block store primary LE */
- case 0xf9: /* UA2007/JPS1 Block store secondary LE */
- if (rd & 7) {
- helper_raise_exception(env, TT_ILL_INSN);
- return;
- }
- helper_check_align(env, addr, 0x3f);
- for (i = 0; i < 8; i++, rd += 2, addr += 8) {
- helper_st_asi(env, addr, env->fpr[rd / 2].ll, asi & 0x8f, 8);
- }
-
- return;
- case 0x16: /* UA2007 Block load primary, user privilege */
- case 0x17: /* UA2007 Block load secondary, user privilege */
- case 0x1e: /* UA2007 Block load primary LE, user privilege */
- case 0x1f: /* UA2007 Block load secondary LE, user privilege */
- case 0x70: /* JPS1 Block store primary, user privilege */
- case 0x71: /* JPS1 Block store secondary, user privilege */
- case 0x78: /* JPS1 Block load primary LE, user privilege */
- case 0x79: /* JPS1 Block load secondary LE, user privilege */
- if (rd & 7) {
- helper_raise_exception(env, TT_ILL_INSN);
- return;
- }
- helper_check_align(env, addr, 0x3f);
- for (i = 0; i < 8; i++, rd += 2, addr += 8) {
- helper_st_asi(env, addr, env->fpr[rd / 2].ll, asi & 0x19, 8);
- }
-
- return;
- case 0xd2: /* 16-bit floating point load primary */
- case 0xd3: /* 16-bit floating point load secondary */
- case 0xda: /* 16-bit floating point load primary, LE */
- case 0xdb: /* 16-bit floating point load secondary, LE */
- helper_check_align(env, addr, 1);
- /* Fall through */
- case 0xd0: /* 8-bit floating point load primary */
- case 0xd1: /* 8-bit floating point load secondary */
- case 0xd8: /* 8-bit floating point load primary, LE */
- case 0xd9: /* 8-bit floating point load secondary, LE */
- val = env->fpr[rd / 2].l.lower;
- helper_st_asi(env, addr, val, asi & 0x8d, ((asi & 2) >> 1) + 1);
- return;
- default:
- helper_check_align(env, addr, 3);
- break;
- }
-
- switch (size) {
- default:
- case 4:
- if (rd & 1) {
- val = env->fpr[rd / 2].l.lower;
- } else {
- val = env->fpr[rd / 2].l.upper;
- }
- helper_st_asi(env, addr, val, asi, size);
- break;
- case 8:
- helper_st_asi(env, addr, env->fpr[rd / 2].ll, asi, size);
- break;
- case 16:
- helper_st_asi(env, addr, env->fpr[rd / 2].ll, asi, 8);
- helper_st_asi(env, addr + 8, env->fpr[rd / 2 + 1].ll, asi, 8);
- break;
- }
-}
-
-target_ulong helper_casx_asi(CPUSPARCState *env, target_ulong addr,
- target_ulong val1, target_ulong val2,
- uint32_t asi)
-{
- target_ulong ret;
-
- ret = helper_ld_asi(env, addr, asi, 8, 0);
- if (val2 == ret) {
- helper_st_asi(env, addr, val1, asi, 8);
- }
- return ret;
-}
-#endif /* TARGET_SPARC64 */
-
-#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
-target_ulong helper_cas_asi(CPUSPARCState *env, target_ulong addr,
- target_ulong val1, target_ulong val2, uint32_t asi)
-{
- target_ulong ret;
-
- val2 &= 0xffffffffUL;
- ret = helper_ld_asi(env, addr, asi, 4, 0);
- ret &= 0xffffffffUL;
- if (val2 == ret) {
- helper_st_asi(env, addr, val1 & 0xffffffffUL, asi, 4);
- }
- return ret;
-}
-#endif /* !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64) */
-
-void helper_ldqf(CPUSPARCState *env, target_ulong addr, int mem_idx)
-{
- /* XXX add 128 bit load */
- CPU_QuadU u;
-
- helper_check_align(env, addr, 7);
-#if !defined(CONFIG_USER_ONLY)
- switch (mem_idx) {
- case MMU_USER_IDX:
- u.ll.upper = cpu_ldq_user(env, addr);
- u.ll.lower = cpu_ldq_user(env, addr + 8);
- QT0 = u.q;
- break;
- case MMU_KERNEL_IDX:
- u.ll.upper = cpu_ldq_kernel(env, addr);
- u.ll.lower = cpu_ldq_kernel(env, addr + 8);
- QT0 = u.q;
- break;
-#ifdef TARGET_SPARC64
- case MMU_HYPV_IDX:
- u.ll.upper = cpu_ldq_hypv(env, addr);
- u.ll.lower = cpu_ldq_hypv(env, addr + 8);
- QT0 = u.q;
- break;
-#endif
- default:
- DPRINTF_MMU("helper_ldqf: need to check MMU idx %d\n", mem_idx);
- break;
- }
-#else
- u.ll.upper = cpu_ldq_data(env, address_mask(env, addr));
- u.ll.lower = cpu_ldq_data(env, address_mask(env, addr + 8));
- QT0 = u.q;
-#endif
-}
-
-void helper_stqf(CPUSPARCState *env, target_ulong addr, int mem_idx)
-{
- /* XXX add 128 bit store */
- CPU_QuadU u;
-
- helper_check_align(env, addr, 7);
-#if !defined(CONFIG_USER_ONLY)
- switch (mem_idx) {
- case MMU_USER_IDX:
- u.q = QT0;
- cpu_stq_user(env, addr, u.ll.upper);
- cpu_stq_user(env, addr + 8, u.ll.lower);
- break;
- case MMU_KERNEL_IDX:
- u.q = QT0;
- cpu_stq_kernel(env, addr, u.ll.upper);
- cpu_stq_kernel(env, addr + 8, u.ll.lower);
- break;
-#ifdef TARGET_SPARC64
- case MMU_HYPV_IDX:
- u.q = QT0;
- cpu_stq_hypv(env, addr, u.ll.upper);
- cpu_stq_hypv(env, addr + 8, u.ll.lower);
- break;
-#endif
- default:
- DPRINTF_MMU("helper_stqf: need to check MMU idx %d\n", mem_idx);
- break;
- }
-#else
- u.q = QT0;
- cpu_stq_data(env, address_mask(env, addr), u.ll.upper);
- cpu_stq_data(env, address_mask(env, addr + 8), u.ll.lower);
-#endif
-}
-
-#if !defined(CONFIG_USER_ONLY)
-#ifndef TARGET_SPARC64
-void sparc_cpu_unassigned_access(CPUState *cs, hwaddr addr,
- bool is_write, bool is_exec, int is_asi,
- unsigned size)
-{
- SPARCCPU *cpu = SPARC_CPU(cs);
- CPUSPARCState *env = &cpu->env;
- int fault_type;
-
-#ifdef DEBUG_UNASSIGNED
- if (is_asi) {
- printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
- " asi 0x%02x from " TARGET_FMT_lx "\n",
- is_exec ? "exec" : is_write ? "write" : "read", size,
- size == 1 ? "" : "s", addr, is_asi, env->pc);
- } else {
- printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
- " from " TARGET_FMT_lx "\n",
- is_exec ? "exec" : is_write ? "write" : "read", size,
- size == 1 ? "" : "s", addr, env->pc);
- }
-#endif
- /* Don't overwrite translation and access faults */
- fault_type = (env->mmuregs[3] & 0x1c) >> 2;
- if ((fault_type > 4) || (fault_type == 0)) {
- env->mmuregs[3] = 0; /* Fault status register */
- if (is_asi) {
- env->mmuregs[3] |= 1 << 16;
- }
- if (env->psrs) {
- env->mmuregs[3] |= 1 << 5;
- }
- if (is_exec) {
- env->mmuregs[3] |= 1 << 6;
- }
- if (is_write) {
- env->mmuregs[3] |= 1 << 7;
- }
- env->mmuregs[3] |= (5 << 2) | 2;
- /* SuperSPARC will never place instruction fault addresses in the FAR */
- if (!is_exec) {
- env->mmuregs[4] = addr; /* Fault address register */
- }
- }
- /* overflow (same type fault was not read before another fault) */
- if (fault_type == ((env->mmuregs[3] & 0x1c)) >> 2) {
- env->mmuregs[3] |= 1;
- }
-
- if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
- if (is_exec) {
- helper_raise_exception(env, TT_CODE_ACCESS);
- } else {
- helper_raise_exception(env, TT_DATA_ACCESS);
- }
- }
-
- /* flush neverland mappings created during no-fault mode,
- so the sequential MMU faults report proper fault types */
- if (env->mmuregs[0] & MMU_NF) {
- tlb_flush(cs, 1);
- }
-}
-#else
-void sparc_cpu_unassigned_access(CPUState *cs, hwaddr addr,
- bool is_write, bool is_exec, int is_asi,
- unsigned size)
-{
- SPARCCPU *cpu = SPARC_CPU(cs);
- CPUSPARCState *env = &cpu->env;
-
-#ifdef DEBUG_UNASSIGNED
- printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
- "\n", addr, env->pc);
-#endif
-
- if (is_exec) {
- helper_raise_exception(env, TT_CODE_ACCESS);
- } else {
- helper_raise_exception(env, TT_DATA_ACCESS);
- }
-}
-#endif
-#endif
-
-#if !defined(CONFIG_USER_ONLY)
-void QEMU_NORETURN sparc_cpu_do_unaligned_access(CPUState *cs,
- vaddr addr, int is_write,
- int is_user, uintptr_t retaddr)
-{
- SPARCCPU *cpu = SPARC_CPU(cs);
- CPUSPARCState *env = &cpu->env;
-
-#ifdef DEBUG_UNALIGNED
- printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
- "\n", addr, env->pc);
-#endif
- if (retaddr) {
- cpu_restore_state(CPU(cpu), retaddr);
- }
- helper_raise_exception(env, TT_UNALIGNED);
-}
-
-/* try to fill the TLB and return an exception if error. If retaddr is
- NULL, it means that the function was called in C code (i.e. not
- from generated code or from helper.c) */
-/* XXX: fix it to restore all registers */
-void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
- uintptr_t retaddr)
-{
- int ret;
-
- ret = sparc_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
- if (ret) {
- if (retaddr) {
- cpu_restore_state(cs, retaddr);
- }
- cpu_loop_exit(cs);
- }
-}
-#endif