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Rewrite CPU table backwards compatibility system, and fix a crash in the speed clamping code

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This commit is contained in:
RichardG867
2020-11-18 19:56:22 -03:00
parent e8c83a6c09
commit 149322a06a
4 changed files with 986 additions and 358 deletions
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24
src/cpu/cpu.h
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@@ -161,13 +161,13 @@ typedef struct {
typedef struct {
const char *family;
const int old_offset;
const int new_offset;
const int rspeed;
const double multi;
} cpu_legacy_table_t;
typedef struct {
const char *machine;
const cpu_legacy_table_t *tables[5];
const cpu_legacy_table_t **tables;
} cpu_legacy_machine_t;
@@ -370,8 +370,8 @@ COMPILE_TIME_ASSERT(sizeof(cpu_state_t) <= 128)
/* Global variables. */
extern cpu_family_t cpu_families[];
extern cpu_legacy_machine_t cpu_legacy_table[];
extern const cpu_family_t cpu_families[];
extern const cpu_legacy_machine_t cpu_legacy_table[];
extern cpu_family_t *cpu_f;
extern CPU *cpu_s;
@@ -574,13 +574,13 @@ extern int sysexit(uint32_t fetchdat);
extern int syscall(uint32_t fetchdat);
extern int sysret(uint32_t fetchdat);
extern cpu_family_t *cpu_get_family(char *internal_name);
extern uint8_t cpu_is_eligible(cpu_family_t *cpu_family, int cpu, int machine);
extern uint8_t cpu_family_is_eligible(cpu_family_t *cpu_family, int machine);
extern int fpu_get_type(cpu_family_t *cpu_family, int cpu, const char *internal_name);
extern const char *fpu_get_internal_name(cpu_family_t *cpu_family, int cpu, int type);
extern const char *fpu_get_name_from_index(cpu_family_t *cpu_family, int cpu, int c);
extern int fpu_get_type_from_index(cpu_family_t *cpu_family, int cpu, int c);
extern cpu_family_t *cpu_get_family(const char *internal_name);
extern uint8_t cpu_is_eligible(const cpu_family_t *cpu_family, int cpu, int machine);
extern uint8_t cpu_family_is_eligible(const cpu_family_t *cpu_family, int machine);
extern int fpu_get_type(const cpu_family_t *cpu_family, int cpu, const char *internal_name);
extern const char *fpu_get_internal_name(const cpu_family_t *cpu_family, int cpu, int type);
extern const char *fpu_get_name_from_index(const cpu_family_t *cpu_family, int cpu, int c);
extern int fpu_get_type_from_index(const cpu_family_t *cpu_family, int cpu, int c);
void cyrix_load_seg_descriptor(uint32_t addr, x86seg *seg);
void cyrix_write_seg_descriptor(uint32_t addr, x86seg *seg);