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| author | Laurent Vivier <laurent@vivier.eu> | 2017-06-20 22:51:20 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2017-06-21 22:11:55 +0200 |
| commit | ba62494483ab51ee31c70952b6ce5171a31860b1 (patch) | |
| tree | 34879597689b9df1d8b8e9548051e1abdbb66e5f /target/m68k/helper.c | |
| parent | 5a4526b26ab22b255126301227c5ceb2f0222bc5 (diff) | |
| download | qemu-ba62494483ab51ee31c70952b6ce5171a31860b1.zip qemu-ba62494483ab51ee31c70952b6ce5171a31860b1.tar.gz qemu-ba62494483ab51ee31c70952b6ce5171a31860b1.tar.bz2 | |
target-m68k: add FPCR and FPSR
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <20170620205121.26515-6-laurent@vivier.eu>
Diffstat (limited to 'target/m68k/helper.c')
| -rw-r--r-- | target/m68k/helper.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/target/m68k/helper.c b/target/m68k/helper.c index f2de6b5..caae291 100644 --- a/target/m68k/helper.c +++ b/target/m68k/helper.c @@ -80,8 +80,14 @@ static int cf_fpu_gdb_get_reg(CPUM68KState *env, uint8_t *mem_buf, int n) stfq_p(mem_buf, floatx80_to_float64(env->fregs[n].d, &s)); return 8; } - if (n < 11) { - /* FP control registers (not implemented) */ + switch (n) { + case 8: /* fpcontrol */ + stl_be_p(mem_buf, env->fpcr); + return 4; + case 9: /* fpstatus */ + stl_be_p(mem_buf, env->fpsr); + return 4; + case 10: /* fpiar, not implemented */ memset(mem_buf, 0, 4); return 4; } @@ -95,8 +101,14 @@ static int cf_fpu_gdb_set_reg(CPUM68KState *env, uint8_t *mem_buf, int n) env->fregs[n].d = float64_to_floatx80(ldfq_p(mem_buf), &s); return 8; } - if (n < 11) { - /* FP control registers (not implemented) */ + switch (n) { + case 8: /* fpcontrol */ + cpu_m68k_set_fpcr(env, ldl_p(mem_buf)); + return 4; + case 9: /* fpstatus */ + env->fpsr = ldl_p(mem_buf); + return 4; + case 10: /* fpiar, not implemented */ return 4; } return 0; @@ -133,7 +145,7 @@ static int m68k_fpu_gdb_set_reg(CPUM68KState *env, uint8_t *mem_buf, int n) } switch (n) { case 8: /* fpcontrol */ - env->fpcr = ldl_p(mem_buf); + cpu_m68k_set_fpcr(env, ldl_p(mem_buf)); return 4; case 9: /* fpstatus */ env->fpsr = ldl_p(mem_buf); |