diff options
| author | ptitSeb <sebastien.chev@gmail.com> | 2024-02-21 12:27:26 +0100 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2024-02-21 12:27:53 +0100 |
| commit | 0d43b16fd5b6e9dbd3b6683843d8b3c1df4f7c8b (patch) | |
| tree | 81c0d88144bc07e6d60fc4fc7c8d2879b039919f /src/dynarec | |
| parent | b179bd24154f890fe28e44c94dd667ea99ccbf45 (diff) | |
| download | box64-0d43b16fd5b6e9dbd3b6683843d8b3c1df4f7c8b.tar.gz box64-0d43b16fd5b6e9dbd3b6683843d8b3c1df4f7c8b.zip | |
[ARM64] Used Hardware counter for RDTSC emulation ([ARM64_DYNAREC] too)
Diffstat (limited to 'src/dynarec')
| -rw-r--r-- | src/dynarec/arm64/arm64_emitter.h | 2 | ||||
| -rw-r--r-- | src/dynarec/arm64/dynarec_arm64_0f.c | 7 |
2 files changed, 5 insertions, 4 deletions
diff --git a/src/dynarec/arm64/arm64_emitter.h b/src/dynarec/arm64/arm64_emitter.h index 2f3d2396..d44fa5d9 100644 --- a/src/dynarec/arm64/arm64_emitter.h +++ b/src/dynarec/arm64/arm64_emitter.h @@ -767,6 +767,8 @@ // mrs x0, fpsr : 1101010100 1 1 1 011 0100 0100 001 00000 o0=1(op0=3), op1=0b011(3) CRn=0b0100(4) CRm=0b0100(4) op2=1 #define MRS_fpsr(Rt) EMIT(MRS_gen(1, 1, 3, 4, 4, 1, Rt)) #define MSR_fpsr(Rt) EMIT(MRS_gen(0, 1, 3, 4, 4, 1, Rt)) +// mrs x0, cntvct_el0 op0=0b11 op1=0b011 CRn=0b1110 CRm=0b0000 op2=0b010 +#define MRS_cntvct_el0(Rt) EMIT(MRS_gen(1, 1, 0b011, 0b1110, 0b0000, 0b010, Rt)) // NEON Saturation Bit #define FPSR_QC 27 // NEON Input Denormal Cumulative diff --git a/src/dynarec/arm64/dynarec_arm64_0f.c b/src/dynarec/arm64/dynarec_arm64_0f.c index 79596c8a..57c3e400 100644 --- a/src/dynarec/arm64/dynarec_arm64_0f.c +++ b/src/dynarec/arm64/dynarec_arm64_0f.c @@ -482,10 +482,9 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin case 0x31: INST_NAME("RDTSC"); NOTEST(x1); - MESSAGE(LOG_DUMP, "Need Optimization\n"); - CALL(ReadTSC, x3); // will return the u64 in x3 - LSRx(xRDX, x3, 32); - MOVw_REG(xRAX, x3); // wipe upper part + MRS_cntvct_el0(x1); + LSRx(xRDX, x1, 32); + MOVw_REG(xRAX, x1); // wipe upper part break; case 0x38: |