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authorPeter Maydell <peter.maydell@linaro.org>2020-06-02 16:25:26 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-06-02 16:25:26 +0100
commit98d59d5dd8b662ba8ec7c522faa9b88823389711 (patch)
tree88683fdcd7f35b86a1123dc165959040b68cda5f
parentcccdd8c7971896c339d59c9c5d4647d4ffd9568a (diff)
parent250b1da35d579f42319af234f36207902ca4baa4 (diff)
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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.c5
-rw-r--r--target/m68k/helper.h1
-rw-r--r--target/m68k/translate.c17
3 files changed, 23 insertions, 0 deletions
diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c
index 36e6c70..9acf60d 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 feee7be..7780849 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 0f80888..3fc67aa 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;