From: Bibo Mao <[email protected]> New file target/loongarch/tcg/tcg_cpu.c is created, and move TCG specified functions to here from file target/loongarch/cpu.c
It is only code movement and there is no any function change. Signed-off-by: Bibo Mao <[email protected]> Reviewed-by: Richard Henderson <[email protected]> Message-ID: <[email protected]> Signed-off-by: Song Gao <[email protected]> --- target/loongarch/cpu.c | 262 +------------------------- target/loongarch/internals.h | 2 + target/loongarch/tcg/meson.build | 1 + target/loongarch/tcg/tcg_cpu.c | 266 +++++++++++++++++++++++++++ target/loongarch/tcg/tcg_loongarch.h | 1 + 5 files changed, 272 insertions(+), 260 deletions(-) create mode 100644 target/loongarch/tcg/tcg_cpu.c diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 993602fb8c..245c6d3ab9 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -28,11 +28,6 @@ #ifdef CONFIG_KVM #include <linux/kvm.h> #endif -#ifdef CONFIG_TCG -#include "accel/tcg/cpu-ldst.h" -#include "accel/tcg/cpu-ops.h" -#include "tcg/tcg.h" -#endif #include "tcg/tcg_loongarch.h" const char * const regnames[32] = { @@ -140,18 +135,8 @@ void loongarch_cpu_set_irq(void *opaque, int irq, int level) } } -static inline bool cpu_loongarch_hw_interrupts_enabled(CPULoongArchState *env) -{ - bool ret = 0; - - ret = (FIELD_EX64(env->CSR_CRMD, CSR_CRMD, IE) && - !(FIELD_EX64(env->CSR_DBG, CSR_DBG, DST))); - - return ret; -} - /* Check if there is pending and not masked out interrupt */ -static inline bool cpu_loongarch_hw_interrupts_pending(CPULoongArchState *env) +bool cpu_loongarch_hw_interrupts_pending(CPULoongArchState *env) { uint32_t pending; uint32_t status; @@ -163,217 +148,8 @@ static inline bool cpu_loongarch_hw_interrupts_pending(CPULoongArchState *env) } #endif -#ifdef CONFIG_TCG -#ifndef CONFIG_USER_ONLY -static void loongarch_cpu_do_interrupt(CPUState *cs) -{ - CPULoongArchState *env = cpu_env(cs); - bool update_badinstr = 1; - int cause = -1; - bool tlbfill = FIELD_EX64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR); - uint32_t vec_size = FIELD_EX64(env->CSR_ECFG, CSR_ECFG, VS); - - if (cs->exception_index != EXCCODE_INT) { - qemu_log_mask(CPU_LOG_INT, - "%s enter: pc " TARGET_FMT_lx " ERA " TARGET_FMT_lx - " TLBRERA " TARGET_FMT_lx " exception: %d (%s)\n", - __func__, env->pc, env->CSR_ERA, env->CSR_TLBRERA, - cs->exception_index, - loongarch_exception_name(cs->exception_index)); - } - - switch (cs->exception_index) { - case EXCCODE_DBP: - env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DCL, 1); - env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, ECODE, 0xC); - goto set_DERA; - set_DERA: - env->CSR_DERA = env->pc; - env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DST, 1); - set_pc(env, env->CSR_EENTRY + 0x480); - break; - case EXCCODE_INT: - if (FIELD_EX64(env->CSR_DBG, CSR_DBG, DST)) { - env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DEI, 1); - goto set_DERA; - } - QEMU_FALLTHROUGH; - case EXCCODE_PIF: - case EXCCODE_ADEF: - cause = cs->exception_index; - update_badinstr = 0; - break; - case EXCCODE_SYS: - case EXCCODE_BRK: - case EXCCODE_INE: - case EXCCODE_IPE: - case EXCCODE_FPD: - case EXCCODE_FPE: - case EXCCODE_SXD: - case EXCCODE_ASXD: - env->CSR_BADV = env->pc; - QEMU_FALLTHROUGH; - case EXCCODE_BCE: - case EXCCODE_ADEM: - case EXCCODE_PIL: - case EXCCODE_PIS: - case EXCCODE_PME: - case EXCCODE_PNR: - case EXCCODE_PNX: - case EXCCODE_PPI: - cause = cs->exception_index; - break; - default: - qemu_log("Error: exception(%d) has not been supported\n", - cs->exception_index); - abort(); - } - - if (update_badinstr) { - env->CSR_BADI = cpu_ldl_code(env, env->pc); - } - - /* Save PLV and IE */ - if (tlbfill) { - env->CSR_TLBRPRMD = FIELD_DP64(env->CSR_TLBRPRMD, CSR_TLBRPRMD, PPLV, - FIELD_EX64(env->CSR_CRMD, - CSR_CRMD, PLV)); - env->CSR_TLBRPRMD = FIELD_DP64(env->CSR_TLBRPRMD, CSR_TLBRPRMD, PIE, - FIELD_EX64(env->CSR_CRMD, CSR_CRMD, IE)); - /* set the DA mode */ - env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DA, 1); - env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PG, 0); - env->CSR_TLBRERA = FIELD_DP64(env->CSR_TLBRERA, CSR_TLBRERA, - PC, (env->pc >> 2)); - } else { - env->CSR_ESTAT = FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, ECODE, - EXCODE_MCODE(cause)); - env->CSR_ESTAT = FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, ESUBCODE, - EXCODE_SUBCODE(cause)); - env->CSR_PRMD = FIELD_DP64(env->CSR_PRMD, CSR_PRMD, PPLV, - FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV)); - env->CSR_PRMD = FIELD_DP64(env->CSR_PRMD, CSR_PRMD, PIE, - FIELD_EX64(env->CSR_CRMD, CSR_CRMD, IE)); - env->CSR_ERA = env->pc; - } - - env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PLV, 0); - env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, IE, 0); - - if (vec_size) { - vec_size = (1 << vec_size) * 4; - } - - if (cs->exception_index == EXCCODE_INT) { - /* Interrupt */ - uint32_t vector = 0; - uint32_t pending = FIELD_EX64(env->CSR_ESTAT, CSR_ESTAT, IS); - pending &= FIELD_EX64(env->CSR_ECFG, CSR_ECFG, LIE); - - /* Find the highest-priority interrupt. */ - vector = 31 - clz32(pending); - set_pc(env, env->CSR_EENTRY + \ - (EXCCODE_EXTERNAL_INT + vector) * vec_size); - qemu_log_mask(CPU_LOG_INT, - "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx - " cause %d\n" " A " TARGET_FMT_lx " D " - TARGET_FMT_lx " vector = %d ExC " TARGET_FMT_lx "ExS" - TARGET_FMT_lx "\n", - __func__, env->pc, env->CSR_ERA, - cause, env->CSR_BADV, env->CSR_DERA, vector, - env->CSR_ECFG, env->CSR_ESTAT); - } else { - if (tlbfill) { - set_pc(env, env->CSR_TLBRENTRY); - } else { - set_pc(env, env->CSR_EENTRY + EXCODE_MCODE(cause) * vec_size); - } - qemu_log_mask(CPU_LOG_INT, - "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx - " cause %d%s\n, ESTAT " TARGET_FMT_lx - " EXCFG " TARGET_FMT_lx " BADVA " TARGET_FMT_lx - "BADI " TARGET_FMT_lx " SYS_NUM " TARGET_FMT_lu - " cpu %d asid " TARGET_FMT_lx "\n", __func__, env->pc, - tlbfill ? env->CSR_TLBRERA : env->CSR_ERA, - cause, tlbfill ? "(refill)" : "", env->CSR_ESTAT, - env->CSR_ECFG, - tlbfill ? env->CSR_TLBRBADV : env->CSR_BADV, - env->CSR_BADI, env->gpr[11], cs->cpu_index, - env->CSR_ASID); - } - cs->exception_index = -1; -} - -static void loongarch_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, - vaddr addr, unsigned size, - MMUAccessType access_type, - int mmu_idx, MemTxAttrs attrs, - MemTxResult response, - uintptr_t retaddr) -{ - CPULoongArchState *env = cpu_env(cs); - - if (access_type == MMU_INST_FETCH) { - do_raise_exception(env, EXCCODE_ADEF, retaddr); - } else { - do_raise_exception(env, EXCCODE_ADEM, retaddr); - } -} - -static bool loongarch_cpu_exec_interrupt(CPUState *cs, int interrupt_request) -{ - if (interrupt_request & CPU_INTERRUPT_HARD) { - CPULoongArchState *env = cpu_env(cs); - - if (cpu_loongarch_hw_interrupts_enabled(env) && - cpu_loongarch_hw_interrupts_pending(env)) { - /* Raise it */ - cs->exception_index = EXCCODE_INT; - loongarch_cpu_do_interrupt(cs); - return true; - } - } - return false; -} - -static vaddr loongarch_pointer_wrap(CPUState *cs, int mmu_idx, - vaddr result, vaddr base) -{ - return is_va32(cpu_env(cs)) ? (uint32_t)result : result; -} -#endif - -static TCGTBCPUState loongarch_get_tb_cpu_state(CPUState *cs) -{ - CPULoongArchState *env = cpu_env(cs); - uint32_t flags; - - flags = env->CSR_CRMD & (R_CSR_CRMD_PLV_MASK | R_CSR_CRMD_PG_MASK); - flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, FPE) * HW_FLAGS_EUEN_FPE; - flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, SXE) * HW_FLAGS_EUEN_SXE; - flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, ASXE) * HW_FLAGS_EUEN_ASXE; - flags |= is_va32(env) * HW_FLAGS_VA32; - - return (TCGTBCPUState){ .pc = env->pc, .flags = flags }; -} - -static void loongarch_cpu_synchronize_from_tb(CPUState *cs, - const TranslationBlock *tb) -{ - tcg_debug_assert(!tcg_cflags_has(cs, CF_PCREL)); - set_pc(cpu_env(cs), tb->pc); -} - -static void loongarch_restore_state_to_opc(CPUState *cs, - const TranslationBlock *tb, - const uint64_t *data) -{ - set_pc(cpu_env(cs), data[0]); -} -#endif /* CONFIG_TCG */ - #ifndef CONFIG_USER_ONLY -static bool loongarch_cpu_has_work(CPUState *cs) +bool loongarch_cpu_has_work(CPUState *cs) { bool has_work = false; @@ -386,16 +162,6 @@ static bool loongarch_cpu_has_work(CPUState *cs) } #endif /* !CONFIG_USER_ONLY */ -static int loongarch_cpu_mmu_index(CPUState *cs, bool ifetch) -{ - CPULoongArchState *env = cpu_env(cs); - - if (FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PG)) { - return FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV); - } - return MMU_DA_IDX; -} - static void loongarch_la464_init_csr(Object *obj) { #ifndef CONFIG_USER_ONLY @@ -911,30 +677,6 @@ static void loongarch_cpu_dump_state(CPUState *cs, FILE *f, int flags) } } -#ifdef CONFIG_TCG -static const TCGCPUOps loongarch_tcg_ops = { - .guest_default_memory_order = 0, - .mttcg_supported = true, - - .initialize = loongarch_translate_init, - .translate_code = loongarch_translate_code, - .get_tb_cpu_state = loongarch_get_tb_cpu_state, - .synchronize_from_tb = loongarch_cpu_synchronize_from_tb, - .restore_state_to_opc = loongarch_restore_state_to_opc, - .mmu_index = loongarch_cpu_mmu_index, - -#ifndef CONFIG_USER_ONLY - .tlb_fill = loongarch_cpu_tlb_fill, - .pointer_wrap = loongarch_pointer_wrap, - .cpu_exec_interrupt = loongarch_cpu_exec_interrupt, - .cpu_exec_halt = loongarch_cpu_has_work, - .cpu_exec_reset = cpu_reset, - .do_interrupt = loongarch_cpu_do_interrupt, - .do_transaction_failed = loongarch_cpu_do_transaction_failed, -#endif -}; -#endif /* CONFIG_TCG */ - #ifndef CONFIG_USER_ONLY #include "hw/core/sysemu-cpu-ops.h" diff --git a/target/loongarch/internals.h b/target/loongarch/internals.h index e50d109767..e994f5a3d3 100644 --- a/target/loongarch/internals.h +++ b/target/loongarch/internals.h @@ -41,6 +41,8 @@ uint64_t cpu_loongarch_get_constant_timer_counter(LoongArchCPU *cpu); uint64_t cpu_loongarch_get_constant_timer_ticks(LoongArchCPU *cpu); void cpu_loongarch_store_constant_timer_config(LoongArchCPU *cpu, uint64_t value); +bool loongarch_cpu_has_work(CPUState *cs); +bool cpu_loongarch_hw_interrupts_pending(CPULoongArchState *env); #endif /* !CONFIG_USER_ONLY */ uint64_t read_fcc(CPULoongArchState *env); diff --git a/target/loongarch/tcg/meson.build b/target/loongarch/tcg/meson.build index bdf34f9673..b7adfe46f1 100644 --- a/target/loongarch/tcg/meson.build +++ b/target/loongarch/tcg/meson.build @@ -7,6 +7,7 @@ loongarch_ss.add([zlib, gen]) loongarch_ss.add(files( 'fpu_helper.c', 'op_helper.c', + 'tcg_cpu.c', 'translate.c', 'vec_helper.c', )) diff --git a/target/loongarch/tcg/tcg_cpu.c b/target/loongarch/tcg/tcg_cpu.c new file mode 100644 index 0000000000..c7f49838e3 --- /dev/null +++ b/target/loongarch/tcg/tcg_cpu.c @@ -0,0 +1,266 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * LoongArch CPU parameters for QEMU. + * + * Copyright (c) 2025 Loongson Technology Corporation Limited + */ +#include "qemu/osdep.h" +#include "qemu/accel.h" +#include "qemu/error-report.h" +#include "qemu/log.h" +#include "accel/accel-cpu-target.h" +#include "accel/tcg/cpu-ldst.h" +#include "accel/tcg/cpu-ops.h" +#include "exec/translation-block.h" +#include "exec/target_page.h" +#include "tcg_loongarch.h" +#include "internals.h" + +#ifndef CONFIG_USER_ONLY +static void loongarch_cpu_do_interrupt(CPUState *cs) +{ + CPULoongArchState *env = cpu_env(cs); + bool update_badinstr = 1; + int cause = -1; + bool tlbfill = FIELD_EX64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR); + uint32_t vec_size = FIELD_EX64(env->CSR_ECFG, CSR_ECFG, VS); + + if (cs->exception_index != EXCCODE_INT) { + qemu_log_mask(CPU_LOG_INT, + "%s enter: pc " TARGET_FMT_lx " ERA " TARGET_FMT_lx + " TLBRERA " TARGET_FMT_lx " exception: %d (%s)\n", + __func__, env->pc, env->CSR_ERA, env->CSR_TLBRERA, + cs->exception_index, + loongarch_exception_name(cs->exception_index)); + } + + switch (cs->exception_index) { + case EXCCODE_DBP: + env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DCL, 1); + env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, ECODE, 0xC); + goto set_DERA; + set_DERA: + env->CSR_DERA = env->pc; + env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DST, 1); + set_pc(env, env->CSR_EENTRY + 0x480); + break; + case EXCCODE_INT: + if (FIELD_EX64(env->CSR_DBG, CSR_DBG, DST)) { + env->CSR_DBG = FIELD_DP64(env->CSR_DBG, CSR_DBG, DEI, 1); + goto set_DERA; + } + QEMU_FALLTHROUGH; + case EXCCODE_PIF: + case EXCCODE_ADEF: + cause = cs->exception_index; + update_badinstr = 0; + break; + case EXCCODE_SYS: + case EXCCODE_BRK: + case EXCCODE_INE: + case EXCCODE_IPE: + case EXCCODE_FPD: + case EXCCODE_FPE: + case EXCCODE_SXD: + case EXCCODE_ASXD: + env->CSR_BADV = env->pc; + QEMU_FALLTHROUGH; + case EXCCODE_BCE: + case EXCCODE_ADEM: + case EXCCODE_PIL: + case EXCCODE_PIS: + case EXCCODE_PME: + case EXCCODE_PNR: + case EXCCODE_PNX: + case EXCCODE_PPI: + cause = cs->exception_index; + break; + default: + qemu_log("Error: exception(%d) has not been supported\n", + cs->exception_index); + abort(); + } + + if (update_badinstr) { + env->CSR_BADI = cpu_ldl_code(env, env->pc); + } + + /* Save PLV and IE */ + if (tlbfill) { + env->CSR_TLBRPRMD = FIELD_DP64(env->CSR_TLBRPRMD, CSR_TLBRPRMD, PPLV, + FIELD_EX64(env->CSR_CRMD, + CSR_CRMD, PLV)); + env->CSR_TLBRPRMD = FIELD_DP64(env->CSR_TLBRPRMD, CSR_TLBRPRMD, PIE, + FIELD_EX64(env->CSR_CRMD, CSR_CRMD, IE)); + /* set the DA mode */ + env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, DA, 1); + env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PG, 0); + env->CSR_TLBRERA = FIELD_DP64(env->CSR_TLBRERA, CSR_TLBRERA, + PC, (env->pc >> 2)); + } else { + env->CSR_ESTAT = FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, ECODE, + EXCODE_MCODE(cause)); + env->CSR_ESTAT = FIELD_DP64(env->CSR_ESTAT, CSR_ESTAT, ESUBCODE, + EXCODE_SUBCODE(cause)); + env->CSR_PRMD = FIELD_DP64(env->CSR_PRMD, CSR_PRMD, PPLV, + FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV)); + env->CSR_PRMD = FIELD_DP64(env->CSR_PRMD, CSR_PRMD, PIE, + FIELD_EX64(env->CSR_CRMD, CSR_CRMD, IE)); + env->CSR_ERA = env->pc; + } + + env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, PLV, 0); + env->CSR_CRMD = FIELD_DP64(env->CSR_CRMD, CSR_CRMD, IE, 0); + + if (vec_size) { + vec_size = (1 << vec_size) * 4; + } + + if (cs->exception_index == EXCCODE_INT) { + /* Interrupt */ + uint32_t vector = 0; + uint32_t pending = FIELD_EX64(env->CSR_ESTAT, CSR_ESTAT, IS); + pending &= FIELD_EX64(env->CSR_ECFG, CSR_ECFG, LIE); + + /* Find the highest-priority interrupt. */ + vector = 31 - clz32(pending); + set_pc(env, env->CSR_EENTRY + \ + (EXCCODE_EXTERNAL_INT + vector) * vec_size); + qemu_log_mask(CPU_LOG_INT, + "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx + " cause %d\n" " A " TARGET_FMT_lx " D " + TARGET_FMT_lx " vector = %d ExC " TARGET_FMT_lx "ExS" + TARGET_FMT_lx "\n", + __func__, env->pc, env->CSR_ERA, + cause, env->CSR_BADV, env->CSR_DERA, vector, + env->CSR_ECFG, env->CSR_ESTAT); + } else { + if (tlbfill) { + set_pc(env, env->CSR_TLBRENTRY); + } else { + set_pc(env, env->CSR_EENTRY + EXCODE_MCODE(cause) * vec_size); + } + qemu_log_mask(CPU_LOG_INT, + "%s: PC " TARGET_FMT_lx " ERA " TARGET_FMT_lx + " cause %d%s\n, ESTAT " TARGET_FMT_lx + " EXCFG " TARGET_FMT_lx " BADVA " TARGET_FMT_lx + "BADI " TARGET_FMT_lx " SYS_NUM " TARGET_FMT_lu + " cpu %d asid " TARGET_FMT_lx "\n", __func__, env->pc, + tlbfill ? env->CSR_TLBRERA : env->CSR_ERA, + cause, tlbfill ? "(refill)" : "", env->CSR_ESTAT, + env->CSR_ECFG, + tlbfill ? env->CSR_TLBRBADV : env->CSR_BADV, + env->CSR_BADI, env->gpr[11], cs->cpu_index, + env->CSR_ASID); + } + cs->exception_index = -1; +} + +static void loongarch_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, + vaddr addr, unsigned size, + MMUAccessType access_type, + int mmu_idx, MemTxAttrs attrs, + MemTxResult response, + uintptr_t retaddr) +{ + CPULoongArchState *env = cpu_env(cs); + + if (access_type == MMU_INST_FETCH) { + do_raise_exception(env, EXCCODE_ADEF, retaddr); + } else { + do_raise_exception(env, EXCCODE_ADEM, retaddr); + } +} + +static inline bool cpu_loongarch_hw_interrupts_enabled(CPULoongArchState *env) +{ + bool ret = 0; + + ret = (FIELD_EX64(env->CSR_CRMD, CSR_CRMD, IE) && + !(FIELD_EX64(env->CSR_DBG, CSR_DBG, DST))); + + return ret; +} + +static bool loongarch_cpu_exec_interrupt(CPUState *cs, int interrupt_request) +{ + if (interrupt_request & CPU_INTERRUPT_HARD) { + CPULoongArchState *env = cpu_env(cs); + + if (cpu_loongarch_hw_interrupts_enabled(env) && + cpu_loongarch_hw_interrupts_pending(env)) { + /* Raise it */ + cs->exception_index = EXCCODE_INT; + loongarch_cpu_do_interrupt(cs); + return true; + } + } + return false; +} + +static vaddr loongarch_pointer_wrap(CPUState *cs, int mmu_idx, + vaddr result, vaddr base) +{ + return is_va32(cpu_env(cs)) ? (uint32_t)result : result; +} +#endif + +static TCGTBCPUState loongarch_get_tb_cpu_state(CPUState *cs) +{ + CPULoongArchState *env = cpu_env(cs); + uint32_t flags; + + flags = env->CSR_CRMD & (R_CSR_CRMD_PLV_MASK | R_CSR_CRMD_PG_MASK); + flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, FPE) * HW_FLAGS_EUEN_FPE; + flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, SXE) * HW_FLAGS_EUEN_SXE; + flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, ASXE) * HW_FLAGS_EUEN_ASXE; + flags |= is_va32(env) * HW_FLAGS_VA32; + + return (TCGTBCPUState){ .pc = env->pc, .flags = flags }; +} + +static void loongarch_cpu_synchronize_from_tb(CPUState *cs, + const TranslationBlock *tb) +{ + tcg_debug_assert(!tcg_cflags_has(cs, CF_PCREL)); + set_pc(cpu_env(cs), tb->pc); +} + +static void loongarch_restore_state_to_opc(CPUState *cs, + const TranslationBlock *tb, + const uint64_t *data) +{ + set_pc(cpu_env(cs), data[0]); +} + +static int loongarch_cpu_mmu_index(CPUState *cs, bool ifetch) +{ + CPULoongArchState *env = cpu_env(cs); + + if (FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PG)) { + return FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV); + } + return MMU_DA_IDX; +} + +const TCGCPUOps loongarch_tcg_ops = { + .guest_default_memory_order = 0, + .mttcg_supported = true, + + .initialize = loongarch_translate_init, + .translate_code = loongarch_translate_code, + .get_tb_cpu_state = loongarch_get_tb_cpu_state, + .synchronize_from_tb = loongarch_cpu_synchronize_from_tb, + .restore_state_to_opc = loongarch_restore_state_to_opc, + .mmu_index = loongarch_cpu_mmu_index, + +#ifndef CONFIG_USER_ONLY + .tlb_fill = loongarch_cpu_tlb_fill, + .pointer_wrap = loongarch_pointer_wrap, + .cpu_exec_interrupt = loongarch_cpu_exec_interrupt, + .cpu_exec_halt = loongarch_cpu_has_work, + .cpu_exec_reset = cpu_reset, + .do_interrupt = loongarch_cpu_do_interrupt, + .do_transaction_failed = loongarch_cpu_do_transaction_failed, +#endif +}; diff --git a/target/loongarch/tcg/tcg_loongarch.h b/target/loongarch/tcg/tcg_loongarch.h index 47702893e3..7fb627f2d6 100644 --- a/target/loongarch/tcg/tcg_loongarch.h +++ b/target/loongarch/tcg/tcg_loongarch.h @@ -9,6 +9,7 @@ #include "cpu.h" #include "cpu-mmu.h" +extern const TCGCPUOps loongarch_tcg_ops; void loongarch_csr_translate_init(void); bool loongarch_cpu_tlb_fill(CPUState *cs, vaddr address, int size, -- 2.47.0
