diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2020-06-02 16:25:26 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-06-02 16:25:26 +0100 |
| commit | 98d59d5dd8b662ba8ec7c522faa9b88823389711 (patch) | |
| tree | 88683fdcd7f35b86a1123dc165959040b68cda5f | |
| parent | cccdd8c7971896c339d59c9c5d4647d4ffd9568a (diff) | |
| parent | 250b1da35d579f42319af234f36207902ca4baa4 (diff) | |
Merge remote-tracking branch 'remotes/vivier/tags/m68k-for-5.1-pull-request' into staging
Two fixes for the 68040 FPU
# gpg: Signature made Tue 02 Jun 2020 16:21:19 BST
# gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier/tags/m68k-for-5.1-pull-request:
target/m68k: implement opcode fetoxm1
target/m68k: implement fmove.l #<data>,FPCR
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/m68k/fpu_helper.c | 5 | ||||
| -rw-r--r-- | target/m68k/helper.h | 1 | ||||
| -rw-r--r-- | target/m68k/translate.c | 17 |
3 files changed, 23 insertions, 0 deletions
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index 36e6c704d1..9acf60dfd4 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -641,6 +641,11 @@ void HELPER(fatanh)(CPUM68KState *env, FPReg *res, FPReg *val) res->d = floatx80_atanh(val->d, &env->fp_status); } +void HELPER(fetoxm1)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + res->d = floatx80_etoxm1(val->d, &env->fp_status); +} + void HELPER(ftanh)(CPUM68KState *env, FPReg *res, FPReg *val) { res->d = floatx80_tanh(val->d, &env->fp_status); diff --git a/target/m68k/helper.h b/target/m68k/helper.h index feee7be626..77808497a9 100644 --- a/target/m68k/helper.h +++ b/target/m68k/helper.h @@ -83,6 +83,7 @@ DEF_HELPER_3(fatan, void, env, fp, fp) DEF_HELPER_3(fasin, void, env, fp, fp) DEF_HELPER_3(facos, void, env, fp, fp) DEF_HELPER_3(fatanh, void, env, fp, fp) +DEF_HELPER_3(fetoxm1, void, env, fp, fp) DEF_HELPER_3(ftanh, void, env, fp, fp) DEF_HELPER_3(fsinh, void, env, fp, fp) DEF_HELPER_3(fcosh, void, env, fp, fp) diff --git a/target/m68k/translate.c b/target/m68k/translate.c index 0f80888203..3fc67aa452 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -4936,6 +4936,20 @@ static void gen_op_fmove_fcr(CPUM68KState *env, DisasContext *s, gen_store_fcr(s, AREG(insn, 0), mask); } return; + case 7: /* Immediate */ + if (REG(insn, 0) == 4) { + if (is_write || + (mask != M68K_FPIAR && mask != M68K_FPSR && + mask != M68K_FPCR)) { + gen_exception(s, s->base.pc_next, EXCP_ILLEGAL); + return; + } + tmp = tcg_const_i32(read_im32(env, s)); + gen_store_fcr(s, tmp, mask); + tcg_temp_free(tmp); + return; + } + break; default: break; } @@ -5146,6 +5160,9 @@ DISAS_INSN(fpu) case 0x06: /* flognp1 */ gen_helper_flognp1(cpu_env, cpu_dest, cpu_src); break; + case 0x08: /* fetoxm1 */ + gen_helper_fetoxm1(cpu_env, cpu_dest, cpu_src); + break; case 0x09: /* ftanh */ gen_helper_ftanh(cpu_env, cpu_dest, cpu_src); break; |