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Work towards zipos / open(argv[0]) on metal (#667)

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tkchia 2022-11-06 15:29:47 +08:00 • committed by GitHub
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17 changed files with 257 additions and 46 deletions
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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 IsPage 2MB/1GB, see Intel V3A § 11.12) PAT │││││││││
│ │ │││││││││
│ ┌────────────────────────────────────┤ │││││││││
│ Must Be 0┐│ Next Page Table Address (!IsPage) │ │││││││││
│ │├────────────────────────────────────┤ │││││││││
│ ││ Physical Address 4KB │ │││││││││
│┌───┐┌─────┐│├───────────────────────────┐ │ign│││││││││
││PKE││ ign │││ Physical Address 2MB │ │┌┴┐│││││││││
││ ││ ││├──────────────────┐ │ ││ ││││││││││
││ ││ │││ Phys. Addr. 1GB │ │ ││ ││││││││││
││ ││ │││ │ │ ││ ││││││││││
│ ┌─────────────────────────────────────┤ │││││││││
│ Must Be 0┐│ Next Page Table Address (!IsPage) │ │││││││││
│ │├─────────────────────────────────────┤ │││││││││
│ ││ Physical Address 4KB │ │││││││││
│┌──┐┌─────┐│├────────────────────────────┐ │ign│││││││││
││PK││ ign │││ Physical Address 2MB │ │┌┴┐│││││││││
││ ││ ││├───────────────────┐ │ ││ ││││││││││
││ ││ │││ Phys. Addr. 1GB │ │ ││ ││││││││││
││ ││ │││ │ │ ││ ││││││││││
6666555555555544444444443333333333222222222211111111110000000000
3210987654321098765432109876543210987654321098765432109876543210*/
#define PAGE_V /* */ 0b000000000001
@ -163,7 +163,7 @@
#define PAGE_2MB /* */ 0b000110000000
#define PAGE_1GB /* */ 0b000110000000
#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_TA 0x00007ffffffff000
#define PAGE_PA2 0x00007fffffe00000