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https://github.com/pound-emu/ballistic.git
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Ronald Caesar
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
//! Holds the state of the ARM guest CPU.
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#ifndef BALLISTIC_BAL_CPU_H
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#define BALLISTIC_BAL_CPU_H
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#include "bal_attributes.h"
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif // __cplusplus
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BAL_ALIGNED(64) typedef struct
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{
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uint64_t x[32];
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uint64_t pc;
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// ARM's Carry flag is inverted compared to x86's Carry during subtraction operations.
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// Compiler's must handle this.
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uint8_t flag_c; // ARM C -> x86 CF
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uint8_t flag_z; // ARM Z -> x86 ZF
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uint8_t flag_n; // ARM N -> x86 SF
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uint8_t flag_v; // ARM V -> x86 OF
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uint32_t _pad_flags;
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/// Tracks executed guest instructions.
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///
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/// This only increments if the engine flag [`BAL_ENGINE_FLAG_INSTRUCTION_COUNTING`] is set.
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uint64_t instruction_count;
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char pad[40];
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} bal_cpu_t;
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/// The function signature of a JIT-compiled basic block.
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typedef void (*bal_jit_block_t)(bal_cpu_t *cpu);
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // BALLISTIC_BAL_CPU_H
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/*** end of file ***/
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