diff options
Diffstat (limited to 'target/riscv/cpu_helper.c')
| -rw-r--r-- | target/riscv/cpu_helper.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 619c76c..d5039f6 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -24,7 +24,6 @@ #include "internals.h" #include "pmu.h" #include "exec/cputlb.h" -#include "exec/exec-all.h" #include "exec/page-protection.h" #include "exec/target_page.h" #include "system/memory.h" @@ -136,103 +135,6 @@ bool riscv_env_smode_dbltrp_enabled(CPURISCVState *env, bool virt) #endif } -void cpu_get_tb_cpu_state(CPURISCVState *env, vaddr *pc, - uint64_t *cs_base, uint32_t *pflags) -{ - RISCVCPU *cpu = env_archcpu(env); - RISCVExtStatus fs, vs; - uint32_t flags = 0; - bool pm_signext = riscv_cpu_virt_mem_enabled(env); - - *pc = env->xl == MXL_RV32 ? env->pc & UINT32_MAX : env->pc; - *cs_base = 0; - - if (cpu->cfg.ext_zve32x) { - /* - * If env->vl equals to VLMAX, we can use generic vector operation - * expanders (GVEC) to accerlate the vector operations. - * However, as LMUL could be a fractional number. The maximum - * vector size can be operated might be less than 8 bytes, - * which is not supported by GVEC. So we set vl_eq_vlmax flag to true - * only when maxsz >= 8 bytes. - */ - - /* lmul encoded as in DisasContext::lmul */ - int8_t lmul = sextract32(FIELD_EX64(env->vtype, VTYPE, VLMUL), 0, 3); - uint32_t vsew = FIELD_EX64(env->vtype, VTYPE, VSEW); - uint32_t vlmax = vext_get_vlmax(cpu->cfg.vlenb, vsew, lmul); - uint32_t maxsz = vlmax << vsew; - bool vl_eq_vlmax = (env->vstart == 0) && (vlmax == env->vl) && - (maxsz >= 8); - flags = FIELD_DP32(flags, TB_FLAGS, VILL, env->vill); - flags = FIELD_DP32(flags, TB_FLAGS, SEW, vsew); - flags = FIELD_DP32(flags, TB_FLAGS, LMUL, - FIELD_EX64(env->vtype, VTYPE, VLMUL)); - flags = FIELD_DP32(flags, TB_FLAGS, VL_EQ_VLMAX, vl_eq_vlmax); - flags = FIELD_DP32(flags, TB_FLAGS, VTA, - FIELD_EX64(env->vtype, VTYPE, VTA)); - flags = FIELD_DP32(flags, TB_FLAGS, VMA, - FIELD_EX64(env->vtype, VTYPE, VMA)); - flags = FIELD_DP32(flags, TB_FLAGS, VSTART_EQ_ZERO, env->vstart == 0); - } else { - flags = FIELD_DP32(flags, TB_FLAGS, VILL, 1); - } - - if (cpu_get_fcfien(env)) { - /* - * For Forward CFI, only the expectation of a lpad at - * the start of the block is tracked via env->elp. env->elp - * is turned on during jalr translation. - */ - flags = FIELD_DP32(flags, TB_FLAGS, FCFI_LP_EXPECTED, env->elp); - flags = FIELD_DP32(flags, TB_FLAGS, FCFI_ENABLED, 1); - } - - if (cpu_get_bcfien(env)) { - flags = FIELD_DP32(flags, TB_FLAGS, BCFI_ENABLED, 1); - } - -#ifdef CONFIG_USER_ONLY - fs = EXT_STATUS_DIRTY; - vs = EXT_STATUS_DIRTY; -#else - flags = FIELD_DP32(flags, TB_FLAGS, PRIV, env->priv); - - flags |= riscv_env_mmu_index(env, 0); - fs = get_field(env->mstatus, MSTATUS_FS); - vs = get_field(env->mstatus, MSTATUS_VS); - - if (env->virt_enabled) { - flags = FIELD_DP32(flags, TB_FLAGS, VIRT_ENABLED, 1); - /* - * Merge DISABLED and !DIRTY states using MIN. - * We will set both fields when dirtying. - */ - fs = MIN(fs, get_field(env->mstatus_hs, MSTATUS_FS)); - vs = MIN(vs, get_field(env->mstatus_hs, MSTATUS_VS)); - } - - /* With Zfinx, floating point is enabled/disabled by Smstateen. */ - if (!riscv_has_ext(env, RVF)) { - fs = (smstateen_acc_ok(env, 0, SMSTATEEN0_FCSR) == RISCV_EXCP_NONE) - ? EXT_STATUS_DIRTY : EXT_STATUS_DISABLED; - } - - if (cpu->cfg.debug && !icount_enabled()) { - flags = FIELD_DP32(flags, TB_FLAGS, ITRIGGER, env->itrigger_enabled); - } -#endif - - flags = FIELD_DP32(flags, TB_FLAGS, FS, fs); - flags = FIELD_DP32(flags, TB_FLAGS, VS, vs); - flags = FIELD_DP32(flags, TB_FLAGS, XL, env->xl); - flags = FIELD_DP32(flags, TB_FLAGS, AXL, cpu_address_xl(env)); - flags = FIELD_DP32(flags, TB_FLAGS, PM_PMM, riscv_pm_get_pmm(env)); - flags = FIELD_DP32(flags, TB_FLAGS, PM_SIGNEXTEND, pm_signext); - - *pflags = flags; -} - RISCVPmPmm riscv_pm_get_pmm(CPURISCVState *env) { #ifndef CONFIG_USER_ONLY |