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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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18
src/cpu/cpu.c
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@@ -13,10 +13,10 @@
* Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
*
* Copyright 2008-2018 Sarah Walker.
* Copyright 2008-2020 Sarah Walker.
* Copyright 2016-2018 leilei.
* Copyright 2016-2018 Miran Grca.
* Copyright 2018 Fred N. van Kempen.
* Copyright 2016-2020 Miran Grca.
* Copyright 2018-2021 Fred N. van Kempen.
*/
#include <math.h>
#include <stdarg.h>
@@ -58,13 +58,13 @@ enum {
CPUID_PAE = (1 << 6),
CPUID_MCE = (1 << 7),
CPUID_CMPXCHG8B = (1 << 8),
CPUID_AMDSEP = (1 << 10),
CPUID_SEP = (1 << 11),
CPUID_MTRR = (1 << 12),
CPUID_AMDSEP = (1 << 10),
CPUID_SEP = (1 << 11),
CPUID_MTRR = (1 << 12),
CPUID_MCA = (1 << 14),
CPUID_CMOV = (1 << 15),
CPUID_MMX = (1 << 23),
CPUID_FXSR = (1 << 24)
CPUID_FXSR = (1 << 24)
};
/*Addition flags returned by CPUID function 0x80000001*/
@@ -372,6 +372,8 @@ cpu_set(void)
CPUID = cpu_s->cpuid_model;
is8086 = (cpu_s->cpu_type > CPU_8088);
is_nec = (cpu->type == CPU_NEC);
is186 = (cpu->type == CPU_186);
is286 = (cpu_s->cpu_type >= CPU_286);
is386 = (cpu_s->cpu_type >= CPU_386SX);
israpidcad = (cpu_s->cpu_type == CPU_RAPIDCAD);
@@ -529,6 +531,8 @@ cpu_set(void)
switch (cpu_s->cpu_type) {
case CPU_8088:
case CPU_8086:
case CPU_NEC:
case CPU_186:
break;
case CPU_286: