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| author | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2018-04-14 15:46:20 +0200 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2018-05-29 09:35:14 +0200 |
| commit | 351527b712f74749c23fdaf47be227903f0c2592 (patch) | |
| tree | f1c380b9c6cd9a08f51f9cd730cda7a51ffadcc0 /target/microblaze | |
| parent | 2023e9a3bcb514a5fd41644c63825109c286e4ef (diff) | |
| download | qemu-351527b712f74749c23fdaf47be227903f0c2592.zip qemu-351527b712f74749c23fdaf47be227903f0c2592.tar.gz qemu-351527b712f74749c23fdaf47be227903f0c2592.tar.bz2 | |
target-microblaze: dec_msr: Reuse more code when reg-decoding
Reuse more code when decoding register numbers.
No functional changes.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Diffstat (limited to 'target/microblaze')
| -rw-r--r-- | target/microblaze/translate.c | 38 |
1 files changed, 9 insertions, 29 deletions
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index e322c82..6a270fb 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -531,11 +531,9 @@ static void dec_msr(DisasContext *dc) case 1: msr_write(dc, cpu_R[dc->ra]); break; - case 0x3: - tcg_gen_mov_i32(cpu_SR[SR_EAR], cpu_R[dc->ra]); - break; - case 0x5: - tcg_gen_mov_i32(cpu_SR[SR_ESR], cpu_R[dc->ra]); + case SR_EAR: + case SR_ESR: + tcg_gen_mov_i32(cpu_SR[sr], cpu_R[dc->ra]); break; case 0x7: tcg_gen_andi_i32(cpu_SR[SR_FSR], cpu_R[dc->ra], 31); @@ -562,17 +560,11 @@ static void dec_msr(DisasContext *dc) case 1: msr_read(dc, cpu_R[dc->rd]); break; - case 0x3: - tcg_gen_mov_i32(cpu_R[dc->rd], cpu_SR[SR_EAR]); - break; - case 0x5: - tcg_gen_mov_i32(cpu_R[dc->rd], cpu_SR[SR_ESR]); - break; - case 0x7: - tcg_gen_mov_i32(cpu_R[dc->rd], cpu_SR[SR_FSR]); - break; - case 0xb: - tcg_gen_mov_i32(cpu_R[dc->rd], cpu_SR[SR_BTR]); + case SR_EAR: + case SR_ESR: + case SR_FSR: + case SR_BTR: + tcg_gen_mov_i32(cpu_R[dc->rd], cpu_SR[sr]); break; case 0x800: tcg_gen_ld_i32(cpu_R[dc->rd], @@ -582,19 +574,7 @@ static void dec_msr(DisasContext *dc) tcg_gen_ld_i32(cpu_R[dc->rd], cpu_env, offsetof(CPUMBState, shr)); break; - case 0x2000: - case 0x2001: - case 0x2002: - case 0x2003: - case 0x2004: - case 0x2005: - case 0x2006: - case 0x2007: - case 0x2008: - case 0x2009: - case 0x200a: - case 0x200b: - case 0x200c: + case 0x2000 ... 0x200c: rn = sr & 0xf; tcg_gen_ld_i32(cpu_R[dc->rd], cpu_env, offsetof(CPUMBState, pvr.regs[rn])); |