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Implement missing Pentium MSRs

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Includes obscure behavior, like undocumented "high" MSRs
This commit is contained in:
Alexander Babikov
2024-02-03 21:39:40 +05:00
parent 8143ccdc9b
commit 1b9bf568f2
2 changed files with 304 additions and 18 deletions
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23
src/cpu/cpu.h
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@@ -249,9 +249,25 @@ typedef struct {
uint64_t amd_l2aar; /* 0xc0000089 - K6-III and later */
/* Pentium/Pentium MMX MSRs */
uint32_t tr1; /* 0x00000002 - also on WinChip C6/2 */
uint32_t tr12; /* 0x0000000e - also on WinChip C6/2 */
uint32_t cesr; /* 0x00000011 - also on WinChip C6/2 */
uint64_t mcar; /* 0x00000000 - also on K5 and (R/W) K6 */
uint64_t mctr; /* 0x00000001 - also on K5 and (R/W) K6 */
uint32_t tr1; /* 0x00000002 - also on WinChip C6/2 */
uint32_t tr2; /* 0x00000004 - reserved on PMMX */
uint32_t tr3; /* 0x00000005 */
uint32_t tr4; /* 0x00000006 */
uint32_t tr5; /* 0x00000007 */
uint32_t tr6; /* 0x00000008 */
uint32_t tr7; /* 0x00000009 */
uint32_t tr9; /* 0x0000000b */
uint32_t tr10; /* 0x0000000c */
uint32_t tr11; /* 0x0000000d */
uint32_t tr12; /* 0x0000000e - also on WinChip C6/2 and K6 */
uint32_t cesr; /* 0x00000011 - also on WinChip C6/2 and Cx6x86MX */
uint64_t pmc[2]; /* 0x00000012, 0x00000013 - also on WinChip C6/2 and Cx6x86MX */
uint32_t fp_last_xcpt; /* 0x8000001b - undocumented */
uint32_t probe_ctl; /* 0x8000001d - undocumented */
uint32_t ecx8000001e; /* 0x8000001e - undocumented */
uint32_t ecx8000001f; /* 0x8000001f - undocumented */
/* Pentium Pro/II MSRs */
uint64_t apic_base; /* 0x0000001b */
@@ -559,7 +575,6 @@ extern double bus_timing;
extern double isa_timing;
extern double pci_timing;
extern double agp_timing;
extern uint64_t pmc[2];
extern uint16_t temp_seg_data[4];
extern uint16_t cs_msr;
extern uint32_t esp_msr;