mirror of
https://github.com/jart/cosmopolitan.git
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fa20edc44d
- Remove most __ASSEMBLER__ __LINKER__ ifdefs - Rename libc/intrin/bits.h to libc/serialize.h - Block pthread cancelation in fchmodat() polyfill - Remove `clang-format off` statements in third_party
61 lines
3 KiB
C
61 lines
3 KiB
C
#ifndef COSMOPOLITAN_LIBC_RUNTIME_MMAN_H_
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#define COSMOPOLITAN_LIBC_RUNTIME_MMAN_H_
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#include "libc/runtime/e820.internal.h"
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/* Values for mman::pc_video_type. */
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#define PC_VIDEO_TEXT 0
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#define PC_VIDEO_BGR565 1
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#define PC_VIDEO_BGR555 2
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#define PC_VIDEO_BGRX8888 3
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#define PC_VIDEO_RGBX8888 4
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct mman {
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int64_t pdp; /* 0x0500 */
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int32_t pdpi; /* 0x0508 */
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int32_t e820n; /* 0x050c */
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uint64_t frp; /* 0x0510 — free list of reclaimed,
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previously used pages */
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struct SmapEntry e820[256]; /* 0x0518 */
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struct SmapEntry e820_end[0]; /* 0x1d18 */
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char pc_drive_base_table[11]; /* 0x1d18 */
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unsigned char pc_drive_type; /* 0x1d23 */
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unsigned char pc_drive_last_sector; /* 0x1d24 */
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unsigned short pc_drive_last_cylinder; /* 0x1d26 */
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unsigned char pc_drives_attached; /* 0x1d28 */
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unsigned char pc_drive_last_head; /* 0x1d29 */
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unsigned char pc_drive; /* 0x1d2a */
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char bad_idt[2]; /* 0x1d2b — IDTR value for an invalid
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IDT; really 6 bytes which
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overlap w/ fields below */
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unsigned char pc_drive_next_sector; /* 0x1d2d */
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unsigned short pc_drive_next_cylinder; /* 0x1d2e */
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unsigned char pc_drive_next_head; /* 0x1d30 */
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unsigned char pc_video_type; /* 0x1d31 */
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unsigned short pc_video_stride; /* 0x1d32 — line width, including any
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invisible "pixels" — in
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bytes (NOTE) */
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unsigned short pc_video_width; /* 0x1d34 — width in chars. (text)
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or pixels (graphics) */
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unsigned short pc_video_height; /* 0x1d36 — height in chars. (text)
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or pixels (graphics) */
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uint64_t pc_video_framebuffer; /* 0x1d38 — physical address of
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video frame buffer */
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uint64_t pc_video_framebuffer_size; /* 0x1d40 */
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struct { /* 0x1d48 — starting cursor pos. */
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unsigned short y, x;
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} pc_video_curs_info;
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unsigned short pc_video_char_height; /* 0x1d4c — character height (useful
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for setting cursor shape
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in text mode) */
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uint64_t pc_acpi_rsdp; /* 0x1d50 — pointer to ACPI RSDP;
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NULL means to search for
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it in legacy BIOS areas */
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};
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_RUNTIME_MMAN_H_ */
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