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author | Richard Henderson <richard.henderson@linaro.org> | 2023-11-03 10:38:34 -0700 |
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committer | Richard Henderson <richard.henderson@linaro.org> | 2024-02-03 16:46:10 +1000 |
commit | 1ccd6e13ccc0913bd3750f47c697c3d7c31cd418 (patch) | |
tree | 208d0192302aa1529556baf95fb5be8842b65994 /target | |
parent | 41535ca6f4d708cf376d731930fd89f44c84c98a (diff) | |
download | qemu-1ccd6e13ccc0913bd3750f47c697c3d7c31cd418.zip qemu-1ccd6e13ccc0913bd3750f47c697c3d7c31cd418.tar.gz qemu-1ccd6e13ccc0913bd3750f47c697c3d7c31cd418.tar.bz2 |
target/sparc: Introduce cpu_get_fsr, cpu_put_fsr
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20231103173841.33651-16-richard.henderson@linaro.org>
Diffstat (limited to 'target')
-rw-r--r-- | target/sparc/cpu.c | 5 | ||||
-rw-r--r-- | target/sparc/cpu.h | 4 | ||||
-rw-r--r-- | target/sparc/fop_helper.c | 21 | ||||
-rw-r--r-- | target/sparc/gdbstub.c | 8 | ||||
-rw-r--r-- | target/sparc/helper.h | 1 | ||||
-rw-r--r-- | target/sparc/machine.c | 36 | ||||
-rw-r--r-- | target/sparc/translate.c | 7 |
7 files changed, 70 insertions, 12 deletions
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index afa6272..1897ab2 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -670,7 +670,7 @@ static void sparc_cpu_dump_state(CPUState *cs, FILE *f, int flags) env->cansave, env->canrestore, env->otherwin, env->wstate, env->cleanwin, env->nwindows - 1 - env->cwp); qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: %016x\n", - env->fsr, env->y, env->fprs); + cpu_get_fsr(env), env->y, env->fprs); #else qemu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env)); @@ -679,7 +679,7 @@ static void sparc_cpu_dump_state(CPUState *cs, FILE *f, int flags) env->psrps ? 'P' : '-', env->psret ? 'E' : '-', env->wim); qemu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n", - env->fsr, env->y); + cpu_get_fsr(env), env->y); #endif qemu_fprintf(f, "\n"); } @@ -798,6 +798,7 @@ static void sparc_cpu_realizefn(DeviceState *dev, Error **errp) env->version |= env->def.maxtl << 8; env->version |= env->def.nwindows - 1; #endif + cpu_put_fsr(env, 0); cpu_exec_realizefn(cs, &local_err); if (local_err != NULL) { diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h index 75c46e2..3cf8cc2 100644 --- a/target/sparc/cpu.h +++ b/target/sparc/cpu.h @@ -617,7 +617,9 @@ void sparc_restore_state_to_opc(CPUState *cs, const TranslationBlock *tb, const uint64_t *data); -/* cpu-exec.c */ +/* fop_helper.c */ +target_ulong cpu_get_fsr(CPUSPARCState *); +void cpu_put_fsr(CPUSPARCState *, target_ulong); /* win_helper.c */ target_ulong cpu_get_psr(CPUSPARCState *env1); diff --git a/target/sparc/fop_helper.c b/target/sparc/fop_helper.c index 7353a61..70b3801 100644 --- a/target/sparc/fop_helper.c +++ b/target/sparc/fop_helper.c @@ -347,10 +347,22 @@ GEN_FCMP(fcmpeq_fcc3, float128, 26, 1); #undef GEN_FCMP_T #undef GEN_FCMP -static void set_fsr(CPUSPARCState *env, target_ulong fsr) +target_ulong cpu_get_fsr(CPUSPARCState *env) +{ + return env->fsr; +} + +target_ulong helper_get_fsr(CPUSPARCState *env) +{ + return cpu_get_fsr(env); +} + +static void set_fsr_nonsplit(CPUSPARCState *env, target_ulong fsr) { int rnd_mode; + env->fsr = fsr; + switch (fsr & FSR_RD_MASK) { case FSR_RD_NEAREST: rnd_mode = float_round_nearest_even; @@ -369,7 +381,12 @@ static void set_fsr(CPUSPARCState *env, target_ulong fsr) set_float_rounding_mode(rnd_mode, &env->fp_status); } +void cpu_put_fsr(CPUSPARCState *env, target_ulong fsr) +{ + set_fsr_nonsplit(env, fsr); +} + void helper_set_fsr(CPUSPARCState *env, target_ulong fsr) { - set_fsr(env, fsr); + set_fsr_nonsplit(env, fsr); } diff --git a/target/sparc/gdbstub.c b/target/sparc/gdbstub.c index a1c8fdc..d1586b2 100644 --- a/target/sparc/gdbstub.c +++ b/target/sparc/gdbstub.c @@ -64,7 +64,7 @@ int sparc_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) case 69: return gdb_get_rega(mem_buf, env->npc); case 70: - return gdb_get_rega(mem_buf, env->fsr); + return gdb_get_rega(mem_buf, cpu_get_fsr(env)); case 71: return gdb_get_rega(mem_buf, 0); /* csr */ default: @@ -94,7 +94,7 @@ int sparc_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) ((env->pstate & 0xfff) << 8) | cpu_get_cwp64(env)); case 83: - return gdb_get_regl(mem_buf, env->fsr); + return gdb_get_regl(mem_buf, cpu_get_fsr(env)); case 84: return gdb_get_regl(mem_buf, env->fprs); case 85: @@ -156,7 +156,7 @@ int sparc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) env->npc = tmp; break; case 70: - env->fsr = tmp; + cpu_put_fsr(env, tmp); break; default: return 0; @@ -191,7 +191,7 @@ int sparc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) cpu_put_cwp64(env, tmp & 0xff); break; case 83: - env->fsr = tmp; + cpu_put_fsr(env, tmp); break; case 84: env->fprs = tmp; diff --git a/target/sparc/helper.h b/target/sparc/helper.h index f7aeb31..cc8db50 100644 --- a/target/sparc/helper.h +++ b/target/sparc/helper.h @@ -36,6 +36,7 @@ DEF_HELPER_FLAGS_4(ld_asi, TCG_CALL_NO_WG, i64, env, tl, int, i32) DEF_HELPER_FLAGS_5(st_asi, TCG_CALL_NO_WG, void, env, tl, i64, int, i32) #endif DEF_HELPER_FLAGS_1(check_ieee_exceptions, TCG_CALL_NO_WG, tl, env) +DEF_HELPER_FLAGS_1(get_fsr, TCG_CALL_NO_WG_SE, tl, env) DEF_HELPER_FLAGS_2(set_fsr, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(fsqrts, TCG_CALL_NO_RWG, f32, env, f32) DEF_HELPER_FLAGS_2(fsqrtd, TCG_CALL_NO_RWG, f64, env, f64) diff --git a/target/sparc/machine.c b/target/sparc/machine.c index 2b5686c..48e0cf2 100644 --- a/target/sparc/machine.c +++ b/target/sparc/machine.c @@ -83,6 +83,32 @@ static const VMStateInfo vmstate_psr = { .put = put_psr, }; +static int get_fsr(QEMUFile *f, void *opaque, size_t size, + const VMStateField *field) +{ + SPARCCPU *cpu = opaque; + target_ulong val = qemu_get_betl(f); + + cpu_put_fsr(&cpu->env, val); + return 0; +} + +static int put_fsr(QEMUFile *f, void *opaque, size_t size, + const VMStateField *field, JSONWriter *vmdesc) +{ + SPARCCPU *cpu = opaque; + target_ulong val = cpu_get_fsr(&cpu->env); + + qemu_put_betl(f, val); + return 0; +} + +static const VMStateInfo vmstate_fsr = { + .name = "fsr", + .get = get_fsr, + .put = put_fsr, +}; + #ifdef TARGET_SPARC64 static int get_xcc(QEMUFile *f, void *opaque, size_t size, const VMStateField *field) @@ -157,7 +183,6 @@ const VMStateDescription vmstate_sparc_cpu = { VMSTATE_UINTTL(env.npc, SPARCCPU), VMSTATE_UINTTL(env.y, SPARCCPU), { - .name = "psr", .version_id = 0, .size = sizeof(uint32_t), @@ -165,7 +190,14 @@ const VMStateDescription vmstate_sparc_cpu = { .flags = VMS_SINGLE, .offset = 0, }, - VMSTATE_UINTTL(env.fsr, SPARCCPU), + { + .name = "fsr", + .version_id = 0, + .size = sizeof(target_ulong), + .info = &vmstate_fsr, + .flags = VMS_SINGLE, + .offset = 0, + }, VMSTATE_UINTTL(env.tbr, SPARCCPU), VMSTATE_INT32(env.interrupt_index, SPARCCPU), VMSTATE_UINT32(env.pil_in, SPARCCPU), diff --git a/target/sparc/translate.c b/target/sparc/translate.c index d12de5a..da4f167 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -4417,13 +4417,18 @@ TRANS(LDXFSR, 64, do_ldfsr, a, MO_TEUQ, FSR_LDXFSR_MASK, FSR_LDXFSR_OLDMASK) static bool do_stfsr(DisasContext *dc, arg_r_r_ri *a, MemOp mop) { TCGv addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm); + TCGv fsr; + if (addr == NULL) { return false; } if (gen_trap_ifnofpu(dc)) { return true; } - tcg_gen_qemu_st_tl(cpu_fsr, addr, dc->mem_idx, mop | MO_ALIGN); + + fsr = tcg_temp_new(); + gen_helper_get_fsr(fsr, tcg_env); + tcg_gen_qemu_st_tl(fsr, addr, dc->mem_idx, mop | MO_ALIGN); return advance_pc(dc); } |