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[metal] Minor fixes to libc/runtime/*.internal.h comments

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tkchia 2022-10-14 13:22:53 +00:00
parent 28bd57c6d0
commit 15276ad002
2 changed files with 11 additions and 11 deletions
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2
libc/runtime/mman.internal.h
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@ -40,7 +40,7 @@ struct mman {
COSMOPOLITAN_C_END_ COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */ #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
/* Values for mman::pc_video_type. TODO: implement graphics modes. */ /* Values for mman::pc_video_type. */
#define PC_VIDEO_TEXT 0 #define PC_VIDEO_TEXT 0
#define PC_VIDEO_BGR565 1 #define PC_VIDEO_BGR565 1
#define PC_VIDEO_BGR555 2 #define PC_VIDEO_BGR555 2

20
libc/runtime/pc.internal.h
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@ -145,15 +145,15 @@
│ (If this maps 2MB/1GB page and CR4.PGE) Global┐││││││││ │ (If this maps 2MB/1GB page and CR4.PGE) Global┐││││││││
│ (If IsPage 2MB/1GB, see Intel V3A § 11.12) PAT │││││││││ │ (If IsPage 2MB/1GB, see Intel V3A § 11.12) PAT │││││││││
│ │ │││││││││ │ │ │││││││││
│ ┌────────────────────────────────────┤ │││││││││ │ ┌─────────────────────────────────────┤ │││││││││
│ Must Be 0┐│ Next Page Table Address (!IsPage) │ │││││││││ │ Must Be 0┐│ Next Page Table Address (!IsPage) │ │││││││││
│ │├────────────────────────────────────┤ │││││││││ │ │├─────────────────────────────────────┤ │││││││││
│ ││ Physical Address 4KB │ │││││││││ │ ││ Physical Address 4KB │ │││││││││
│┌───┐┌─────┐│├───────────────────────────┐ │ign│││││││││ │┌──┐┌─────┐│├────────────────────────────┐ │ign│││││││││
││PKE││ ign │││ Physical Address 2MB │ │┌┴┐│││││││││ ││PK││ ign │││ Physical Address 2MB │ │┌┴┐│││││││││
││ ││ ││├──────────────────┐ │ ││ ││││││││││ ││ ││ ││├───────────────────┐ │ ││ ││││││││││
││ ││ │││ Phys. Addr. 1GB │ │ ││ ││││││││││ ││ ││ │││ Phys. Addr. 1GB │ │ ││ ││││││││││
││ ││ │││ │ │ ││ ││││││││││ ││ ││ │││ │ │ ││ ││││││││││
6666555555555544444444443333333333222222222211111111110000000000 6666555555555544444444443333333333222222222211111111110000000000
3210987654321098765432109876543210987654321098765432109876543210*/ 3210987654321098765432109876543210987654321098765432109876543210*/
#define PAGE_V /* */ 0b000000000001 #define PAGE_V /* */ 0b000000000001
@ -163,7 +163,7 @@
#define PAGE_2MB /* */ 0b000110000000 #define PAGE_2MB /* */ 0b000110000000
#define PAGE_1GB /* */ 0b000110000000 #define PAGE_1GB /* */ 0b000110000000
#define PAGE_IGN1 /* */ 0b111000000000 #define PAGE_IGN1 /* */ 0b111000000000
#define PAGE_RSRV /* blinkenlights reservation */ 0b001000000000 #define PAGE_RSRV /* blinkenlights/libc reservation */ 0b001000000000
#define PAGE_GROD /* blinkenlights MAP_GROWSDOWN */ 0b010000000000 #define PAGE_GROD /* blinkenlights MAP_GROWSDOWN */ 0b010000000000
#define PAGE_TA 0x00007ffffffff000 #define PAGE_TA 0x00007ffffffff000
#define PAGE_PA2 0x00007fffffe00000 #define PAGE_PA2 0x00007fffffe00000