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Use std::span for CPU register-state

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Following the trend of #33: `std::span` provides some useful utility
functions like `size_bytes()` and `as_bytes()` and serves as a better
non-owning "chunk of data"-type over just passing around an
`std::array&`.
This commit is contained in:
Wunkolo
2023-06-16 07:24:34 -07:00
parent c6f5d19983
commit fde93381a5
5 changed files with 38 additions and 32 deletions
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18
include/cpu_dynarmic.hpp
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@@ -1,5 +1,7 @@
#pragma once
#include <span>
#include "dynarmic/interface/A32/a32.h"
#include "dynarmic/interface/A32/config.h"
#include "dynarmic/interface/exclusive_monitor.h"
@@ -132,17 +134,13 @@ public:
return jit->Regs()[index];
}
std::array<u32, 16>& regs() {
return jit->Regs();
}
std::span<u32, 16> regs() { return jit->Regs(); }
// Get reference to array of FPRs. This array consists of the FPRs as single precision values
// Hence why its base type is u32
// Note: Dynarmic keeps 64 VFP registers as VFPv3 extends the VFP register set to 64 registers.
// However the 3DS ARM11 is an ARMv6k processor with VFPv2, so only the first 32 registers are actually used
std::array<u32, 64>& fprs() {
return jit->ExtRegs();
}
// Get reference to array of FPRs. This array consists of the FPRs as single precision values
// Hence why its base type is u32
// Note: Dynarmic keeps 64 VFP registers as VFPv3 extends the VFP register set to 64 registers.
// However the 3DS ARM11 is an ARMv6k processor with VFPv2, so only the first 32 registers are actually used
std::span<u32, 64> fprs() { return jit->ExtRegs(); }
void setCPSR(u32 value) {
jit->SetCpsr(value);