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Diffstat (limited to 'results/classifier/118/review/2499')
| -rw-r--r-- | results/classifier/118/review/2499 | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/results/classifier/118/review/2499 b/results/classifier/118/review/2499 new file mode 100644 index 000000000..e988cd349 --- /dev/null +++ b/results/classifier/118/review/2499 @@ -0,0 +1,90 @@ +TCG: 0.846 +architecture: 0.742 +semantic: 0.735 +graphic: 0.664 +device: 0.625 +performance: 0.607 +socket: 0.554 +vnc: 0.546 +PID: 0.522 +peripherals: 0.510 +ppc: 0.508 +network: 0.485 +hypervisor: 0.456 +files: 0.441 +register: 0.419 +risc-v: 0.416 +kernel: 0.414 +virtual: 0.410 +x86: 0.408 +user-level: 0.378 +assembly: 0.322 +VMM: 0.305 +permissions: 0.264 +i386: 0.259 +debug: 0.218 +mistranslation: 0.198 +arm: 0.192 +boot: 0.138 +KVM: 0.120 +-------------------- +assembly: 0.575 +TCG: 0.164 +debug: 0.097 +performance: 0.084 +files: 0.081 +virtual: 0.060 +user-level: 0.053 +kernel: 0.028 +semantic: 0.025 +register: 0.024 +VMM: 0.018 +device: 0.012 +architecture: 0.011 +hypervisor: 0.007 +peripherals: 0.005 +PID: 0.005 +KVM: 0.004 +risc-v: 0.004 +boot: 0.003 +x86: 0.003 +permissions: 0.002 +graphic: 0.001 +arm: 0.001 +network: 0.001 +ppc: 0.001 +socket: 0.001 +vnc: 0.001 +mistranslation: 0.001 +i386: 0.001 + +m68k: fpu: fsave/frestore should be enabled for 68020/68030 +Description of problem: +valid 68020/68030 code can use `fsave`/`frestore` instructions to save/restore the state of an external 68881/68882 but currently QEMU only allows these instructions on 68040 and everyone else gets an f-line exception. + +I guess something like this to allow frestore/fsave. m68k programmers reference manual says they are 68881/68882/68040 and there don's seem to be any differences. + +``` diff +diff --git a/target/m68k/translate.c b/target/m68k/translate.c +index d5d2322329..92dc9d8563 100644 +--- a/target/m68k/translate.c ++++ b/target/m68k/translate.c +@@ -5455,7 +5455,7 @@ DISAS_INSN(frestore) + gen_exception(s, s->base.pc_next, EXCP_PRIVILEGE); + return; + } +- if (m68k_feature(s->env, M68K_FEATURE_M68040)) { ++ if (m68k_feature(s->env, M68K_FEATURE_FPU)) { + SRC_EA(env, addr, OS_LONG, 0, NULL); + /* FIXME: check the state frame */ + } else { +@@ -5472,7 +5472,7 @@ DISAS_INSN(fsave) + return; + } + +- if (m68k_feature(s->env, M68K_FEATURE_M68040)) { ++ if (m68k_feature(s->env, M68K_FEATURE_FPU)) { + /* always write IDLE */ + TCGv idle = tcg_constant_i32(0x41000000); + DEST_EA(env, insn, OS_LONG, idle, NULL); +``` |