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Initial proddings at NEC V20/V30

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This commit is contained in:
Jasmine Iwanek
2022-01-31 13:39:06 -05:00
parent b764f828b3
commit a349823c7d
4 changed files with 83 additions and 12 deletions
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11
src/cpu/cpu.h
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@@ -14,9 +14,9 @@
* leilei,
* Miran Grca, <mgrca8@gmail.com>
*
* Copyright 2008-2018 Sarah Walker.
* Copyright 2008-2020 Sarah Walker.
* Copyright 2016-2018 leilei.
* Copyright 2016,2018 Miran Grca.
* Copyright 2016-2020 Miran Grca.
*/
#ifndef EMU_CPU_H
# define EMU_CPU_H
@@ -38,6 +38,8 @@ enum {
CPU_V20, /* NEC 808x class CPUs - future proofing */
CPU_V30,
#endif
CPU_188, /* 18x class CPUs */
CPU_186,
CPU_286, /* 286 class CPUs */
CPU_386SX, /* 386 class CPUs */
CPU_IBM386SLC,
@@ -114,6 +116,7 @@ enum {
#define MANU_CYRIX 2
#define MANU_IDT 3
#define MANU_NEC 4
#define MANU_IBM 5
#define CPU_SUPPORTS_DYNAREC 1
#define CPU_REQUIRES_DYNAREC 2
@@ -489,10 +492,11 @@ extern double fpu_multi;
extern int cpu_cyrix_alignment; /*Cyrix 5x86/6x86 only has data misalignment
penalties when crossing 8-byte boundaries*/
extern int is8086, is286, is386, is486;
extern int is8086, is186, is286, is386, is486;
extern int is_am486, is_am486dxl, is_pentium, is_k5, is_k6, is_p6, is_cxsmm;
extern int hascache;
extern int isibm486;
extern int is_nec;
extern int is_rapidcad;
extern int hasfpu;
#define CPU_FEATURE_RDTSC (1 << 0)
@@ -502,6 +506,7 @@ extern int hasfpu;
#define CPU_FEATURE_VME (1 << 4)
#define CPU_FEATURE_CX8 (1 << 5)
#define CPU_FEATURE_3DNOW (1 << 6)
#define CPU_FEATURE_SYSCALL (1 << 7)
extern uint32_t cpu_features;