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Get Cosmopolitan into releasable state

Browse source 
A new rollup tool now exists for flattening out the headers in a way
that works better for our purposes than cpp. A lot of the API clutter
has been removed. APIs that aren't a sure thing in terms of general
recommendation are now marked internal.

There's now a smoke test for the amalgamation archive and gigantic
header file. So we can now guarantee you can use this project on the
easiest difficulty setting without the gigantic repository.

A website is being created, which is currently a work in progress:
https://justine.storage.googleapis.com/cosmopolitan/index.html
This commit is contained in:
Justine Tunney 2020-11-25 08:19:00 -08:00
parent dba7552c1e
commit ea0b5d9d1c
775 changed files with 6864 additions and 3963 deletions
Download patch file Download diff file Expand all files Collapse all files

10
libc/nexgen32e/cachesize.h
View file

@ -3,13 +3,11 @@
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
enum CpuCacheType {
kCpuCacheTypeData = 1,
kCpuCacheTypeInstruction,
kCpuCacheTypeUnified,
};
#define kCpuCacheTypeData 1
#define kCpuCacheTypeInstruction 2
#define kCpuCacheTypeUnified 3
unsigned getcachesize(enum CpuCacheType, int);
unsigned getcachesize(int, int);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */

0
libc/nexgen32e/cpuid4.h → libc/nexgen32e/cpuid4.internal.h
View file

2
libc/nexgen32e/crc32z.c
View file

@ -17,7 +17,7 @@
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/safemacros.h"
#include "libc/bits/safemacros.internal.h"
#include "libc/nexgen32e/crc32.h"
#include "libc/nexgen32e/x86feature.h"

4
libc/nexgen32e/djbsort.c
View file

@ -26,10 +26,10 @@ void djbsort$avx2(int32_t *, long);
/**
* D.J. Bernstein's outrageously fast integer sorting algorithm.
*/
void djbsort(size_t n, int32_t a[n]) {
void djbsort(int32_t *a, size_t n) {
if (X86_HAVE(AVX2)) {
djbsort$avx2(a, n);
} else {
insertionsort(n, a);
insertionsort(a, n);
}
}

12
libc/nexgen32e/ffs.h Normal file
View file

@ -0,0 +1,12 @@
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_FFS_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_FFS_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
int ffs(int) pureconst;
int ffsl(long int) pureconst;
int ffsll(long long int) pureconst;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_FFS_H_ */

29
libc/nexgen32e/fpu.h
View file

@ -1,29 +0,0 @@
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_FPU_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_FPU_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
/**
* Saves FPU state.
* @see X86_HAVE(FXSR)
*/
#define FXSAVE(STATE) \
asm volatile("fxsave\t%0" \
: "=m"(STATE) \
: /* x87/sse */ \
: "memory")
/**
* Restores FPU state.
* @see X86_HAVE(FXSR)
*/
#define FXRSTOR(STATE) \
asm volatile("fxrstor\t%0" \
: /* x87/sse */ \
: "m"(STATE) \
: "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", \
"xmm7", "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", \
"xmm14", "xmm15", "st", "st(1)", "st(2)", "st(3)", "st(4)", \
"st(5)", "st(6)", "st(7)", "memory", "fpsr", "fpcr")
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_FPU_H_ */

17
libc/nexgen32e/gc.S
View file

@ -33,10 +33,9 @@
/ @param rax,rdx,xmm0,xmm1,st0,st1 is return value
/ @see test/libc/runtime/gc_test.c
/ <LIMBO>
CollectGarbage:
decq g_garbage(%rip)
mov g_garbage(%rip),%r8
mov g_garbage+16(%rip),%r9
__gc: decq __garbage(%rip)
mov __garbage(%rip),%r8
mov __garbage+16(%rip),%r9
js 9f
shl $5,%r8
lea (%r9,%r8),%r8
@ -59,12 +58,12 @@ CollectGarbage:
leave
ret
9: call abort
.endfn CollectGarbage,globl,hidden
.endfn __gc,globl,hidden
.source __FILE__
.bss
.align 8
g_garbage:
__garbage:
.quad 0 # garbage.i
.quad 0 # garbage.n
.quad 0 # garbage.p
@ -74,10 +73,10 @@ g_garbage:
.quad 0 # garbage.p[𝑖].arg
.quad 0 # garbage.p[𝑖].ret
.endr
.endobj g_garbage,globl,hidden
.endobj __garbage,globl,hidden
.previous
.init.start 100,_init_garbage
movb $INITIAL_CAPACITY,g_garbage+8(%rip)
movl $g_garbage+24,g_garbage+16(%rip)
movb $INITIAL_CAPACITY,__garbage+8(%rip)
movl $__garbage+24,__garbage+16(%rip)
.init.end 100,_init_garbage

4
libc/nexgen32e/gc.h → libc/nexgen32e/gc.internal.h
View file

@ -14,9 +14,9 @@ struct Garbages {
} * p;
};
hidden extern struct Garbages g_garbage;
hidden extern struct Garbages __garbage;
int64_t CollectGarbage(void) hidden;
int64_t __gc(void) hidden;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */

4
libc/nexgen32e/gclongjmp.S
View file

@ -33,8 +33,8 @@
gclongjmp:
.leafprologue
.profilable
.weak g_garbage
lea g_garbage(%rip),%r12
.weak __garbage
lea __garbage(%rip),%r12
test %r12,%r12
jnz .L.unwind.destructors
0: jmp longjmp

0
libc/nexgen32e/hascharacter.h → libc/nexgen32e/hascharacter.internal.h
View file

2
libc/nexgen32e/insertionsort.greg.c
View file

@ -24,7 +24,7 @@
* Sorts array of signed 32-bit integers.
* @see djbsort()
*/
textreal void insertionsort(size_t n, int32_t a[n]) {
textreal void insertionsort(int32_t *a, size_t n) {
int t;
unsigned i, j;
for (i = 1; i < n; ++i) {

48
libc/nexgen32e/lz4.h
View file

@ -1,7 +1,6 @@
#ifndef COSMOPOLITAN_LIBC_LZ4_H_
#define COSMOPOLITAN_LIBC_LZ4_H_
#include "libc/bits/bits.h"
#if 0
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § lz4 ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│─╝
@ -10,39 +9,36 @@
@see https://github.com/lz4/lz4/blob/master/doc/lz4_Frame_format.md
@see https://github.com/lz4/lz4/blob/master/doc/lz4_Block_format.md
@see http://ticki.github.io/blog/how-lz4-works/ */
#endif
#define LZ4_EOF 0
#define LZ4_VERSION 1
#define LZ4_MAGICNUMBER 0x184D2204
#define LZ4_SKIPPABLE0 0x184D2A50
#define LZ4_SKIPPABLEMASK 0xFFFFFFF0
#define LZ4_MAXHEADERSIZE (MAGICNUMBER_SIZE + 2 + 8 + 4 + 1)
#define LZ4_BLOCKMAXSIZE_64KB 4
#define LZ4_EOF 0
#define LZ4_VERSION 1
#define LZ4_MAGICNUMBER 0x184D2204
#define LZ4_SKIPPABLE0 0x184D2A50
#define LZ4_SKIPPABLEMASK 0xFFFFFFF0
#define LZ4_MAXHEADERSIZE (MAGICNUMBER_SIZE + 2 + 8 + 4 + 1)
#define LZ4_BLOCKMAXSIZE_64KB 4
#define LZ4_BLOCKMAXSIZE_256KB 5
#define LZ4_BLOCKMAXSIZE_1MB 6
#define LZ4_BLOCKMAXSIZE_4MB 7
#define LZ4_BLOCKMAXSIZE_1MB 6
#define LZ4_BLOCKMAXSIZE_4MB 7
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#if 0
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § lz4 » frames ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#endif
#define LZ4_MAGIC(FRAME) read32le(FRAME)
#define LZ4_FRAME_VERSION(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 6) & 0b11)
#define LZ4_FRAME_BLOCKINDEPENDENCE(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 5) & 1)
#define LZ4_FRAME_BLOCKCHECKSUMFLAG(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 4) & 1)
#define LZ4_MAGIC(FRAME) read32le(FRAME)
#define LZ4_FRAME_VERSION(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 6) & 0b11)
#define LZ4_FRAME_BLOCKINDEPENDENCE(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 5) & 1)
#define LZ4_FRAME_BLOCKCHECKSUMFLAG(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 4) & 1)
#define LZ4_FRAME_BLOCKCONTENTSIZEFLAG(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 3) & 1)
#define LZ4_FRAME_BLOCKCONTENTCHECKSUMFLAG(FRAME) \
((_LZ4_FRAME_FLG(FRAME) >> 2) & 1)
#define LZ4_FRAME_DICTIONARYIDFLAG(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 0) & 1)
#define LZ4_FRAME_BLOCKMAXSIZE(FRAME) ((_LZ4_FRAME_BD(FRAME) >> 4) & 0b111)
#define LZ4_FRAME_RESERVED1(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 1) & 1)
#define LZ4_FRAME_RESERVED2(FRAME) ((_LZ4_FRAME_BD(FRAME) >> 7) & 1)
#define LZ4_FRAME_RESERVED3(FRAME) ((_LZ4_FRAME_BD(FRAME) >> 0) & 0b1111)
#define LZ4_FRAME_BLOCKMAXSIZE(FRAME) ((_LZ4_FRAME_BD(FRAME) >> 4) & 0b111)
#define LZ4_FRAME_RESERVED1(FRAME) ((_LZ4_FRAME_FLG(FRAME) >> 1) & 1)
#define LZ4_FRAME_RESERVED2(FRAME) ((_LZ4_FRAME_BD(FRAME) >> 7) & 1)
#define LZ4_FRAME_RESERVED3(FRAME) ((_LZ4_FRAME_BD(FRAME) >> 0) & 0b1111)
#define LZ4_FRAME_BLOCKCONTENTSIZE(FRAME) \
(LZ4_FRAME_BLOCKCONTENTSIZEFLAG(FRAME) ? read64le((FRAME) + 4 + 1 + 1) : 0)
#define LZ4_FRAME_DICTIONARYID(FRAME) \
@ -57,17 +53,15 @@ COSMOPOLITAN_C_START_
(4 + 1 + 1 + 8 * LZ4_FRAME_BLOCKCONTENTSIZEFLAG(FRAME) + \
4 * LZ4_FRAME_DICTIONARYIDFLAG(FRAME) + 1)
#define _LZ4_FRAME_FLG(FRAME) (*((FRAME) + 4))
#define _LZ4_FRAME_BD(FRAME) (*((FRAME) + 5))
#define _LZ4_FRAME_BD(FRAME) (*((FRAME) + 5))
#if 0
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § lz4 » blocks ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#endif
#define LZ4_BLOCK_DATA(block) (block + sizeof(uint32_t))
#define LZ4_BLOCK_DATASIZE(block) (read32le(block) & 0x7fffffff)
#define LZ4_BLOCK_ISEOF(block) (read32le(block) == LZ4_EOF)
#define LZ4_BLOCK_DATA(block) (block + sizeof(uint32_t))
#define LZ4_BLOCK_DATASIZE(block) (read32le(block) & 0x7fffffff)
#define LZ4_BLOCK_ISEOF(block) (read32le(block) == LZ4_EOF)
#define LZ4_BLOCK_ISCOMPRESSED(block) ((read32le(block) & 0x80000000) == 0)
#define LZ4_BLOCK_SIZE(frame, block) \
(sizeof(uint32_t) + LZ4_BLOCK_DATASIZE(block) + \

19
libc/nexgen32e/macros.inc
View file

@ -1,22 +1,3 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 sw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/nexgen32e/x86feature.h"
#include "libc/macros.h"

2
libc/nexgen32e/memcpy.S
View file

@ -112,7 +112,7 @@ MemCpy: .leafprologue
.L1: mov (%rsi),%cl
mov %cl,(%rdi)
jmp .L0
.Lerms: cmp $4*1024*1024,%rdx
.Lerms: cmp $4*1024*1024,%rdx # TODO: getcachesize()
ja .Lnts
push %rdi
push %rsi

3
libc/nexgen32e/nexgen32e.h
View file

@ -4,8 +4,7 @@
COSMOPOLITAN_C_START_
void imapxlatab(void *);
void insertionsort(size_t n, int32_t[n]);
void *doublebytes(size_t, void *);
void insertionsort(int32_t *, size_t);
int64_t div10int64(int64_t) libcesque pureconst;
int64_t div100int64(int64_t) libcesque pureconst;

3
libc/nexgen32e/nt2sysv.S
View file

@ -28,7 +28,8 @@
/ @param %rax is function address
/ @param %rcx,%rdx,%r8,%r9
/ @return %rax,%xmm0
/ @note this is so much slower than sysv2nt()
/ @note slower than __sysv2nt
/ @see NT2SYSV() macro
__nt2sysv:
push %rbp
mov %rsp,%rbp

14
libc/nexgen32e/nt2sysv.h Normal file
View file

@ -0,0 +1,14 @@
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_NT2SYSV_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_NT2SYSV_H_
#include "libc/nexgen32e/trampoline.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
/**
* Creates function to thunk FUNCTION from MSX64 to System V ABI.
*
* This macro should be used when specifying callbacks in the WIN32 API.
*/
#define NT2SYSV(FUNCTION) TRAMPOLINE(FUNCTION, __nt2sysv)
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_NT2SYSV_H_ */

2
libc/nexgen32e/sgetc.S
View file

@ -18,7 +18,7 @@
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "ape/macros.h"
#include "libc/nexgen32e/uart.h"
#include "libc/nexgen32e/uart.internal.h"
#include "libc/notice.inc"
.real
.code16 # ∩ .code32 ∩ .code64

0
libc/nexgen32e/tinystrcmp.h → libc/nexgen32e/tinystrcmp.internal.h
View file

0
libc/nexgen32e/tinystrlen.h → libc/nexgen32e/tinystrlen.internal.h
View file

20
libc/nexgen32e/trampoline.h Normal file
View file

@ -0,0 +1,20 @@
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_TRAMPOLINE_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_TRAMPOLINE_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
#define TRAMPOLINE(FUNCTION, THUNK) \
({ \
typeof(FUNCTION) *Tramp; \
asm(".pushsection .text.trampoline\n" \
"183:\n\t" \
"mov\t%1,%%eax\n\t" \
"jmp\t" #THUNK "\n\t" \
".popsection\n\t" \
"mov\t$183b,%k0" \
: "=r"(Tramp) \
: "i"(FUNCTION)); \
Tramp; \
})
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_TRAMPOLINE_H_ */

0
libc/nexgen32e/uart.h → libc/nexgen32e/uart.internal.h
View file

2
libc/nexgen32e/vcls.S
View file

@ -18,7 +18,7 @@
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "ape/macros.h"
#include "libc/nexgen32e/vidya.h"
#include "libc/nexgen32e/vidya.internal.h"
#include "libc/notice.inc"
.real
.code16 # ∩ .code32 ∩ .code64

0
libc/nexgen32e/vendor.h → libc/nexgen32e/vendor.internal.h
View file

130
libc/nexgen32e/vidya.h
View file

@ -1,130 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=8 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╠──────────────────────────────────────────────────────────────────────────────╣
│░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░│
│░░░░░░░█▀█░█▀█░▀█▀░█░█░█▀█░█░░░█░░░█░█░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░│
│░░░░░░░█▀█░█░▄░░█░░█░█░█▀█░█░░░█░░░▀█▀░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░│
│░░░░░░░▀░▀░▀▀▀░░▀░░▀▀▀░▀░▀░▀▀▀░▀▀▀░░▀░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░│
│░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░│
│░░░░░░░█▀█░█▀█░█▀█░▀█▀░█▀█░█▀█░█░░░█▀▀░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░│
│░░░░░░░█▀▀░█ █░██▀░░█░░█▀█░█▀█░█░░░█▀▀░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░│
│░░░░░░░▀░░░▀▀▀░▀░▀░░▀░░▀░▀░▀▀▀░▀▀▀░▀▀▀░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░│
│░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░│
│░░░░░░░█▀▀░█░█░█▀▀░█▀█░█░█░▀█▀░█▀█░█▀█░█░░█▀▀░░░░░░░░░░░░░░░░░░░░░░░░▄▄░░░▐█░░│
│░░░░░░░█▀▀░▄▀▄░█▀▀░█░▄░█░█░░█░░█▀█░█▀█░█░░█▀▀░░░░░░░░░░░░▄▄▄░░░▄██▄░░█▀░░░█░▄░│
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╠──────────────────────────────────────────────────────▌▀▄─▐──▀▄─▐▄─▐▄▐▄─▐▄─▐▄─│
│ αcτµαlly pδrταblε εxεcµταblε § pc display helpers │
╚─────────────────────────────────────────────────────────────────────────────*/
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_VIDYA_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_VIDYA_H_
/**
* @fileoverview PC Display Helpers.
*
* These functions provide the baseline of PC graphics & teletype
* emulation support that doesn't require switching context or cpu mode.
*
* @see https://youtu.be/yHXx3orN35Y
* @see https://youtu.be/H1p1im_2uf4
* @see Google's SGABIOS which logs MDA/CGA displays to UART as ASCII
* @mode long,legacy,real
*/
#define VIDYA_ROWS 25
#define VIDYA_COLUMNS 80
#define VIDYA_SIZE (VIDYA_ROWS * VIDYA_COLUMNS * 2)
#define VIDYA_MODE_MDA 7
#define VIDYA_MODE_CGA 3
#define VIDYA_ADDR_MDA 0xb0000
#define VIDYA_ADDR_CGA 0xb8000
#define VIDYA_ATTR_NORMAL 0x07 /* cozy default for both mda and cga */
#define VIDYA_REWIND ~0x7fff /* derived from mode addr min. lzcnt */
#define VIDYA_SERVICE 0x10
#define VIDYA_SET_MODE 0x0003
#define VIDYA_SET_CURSOR 0x0100
#define VIDYA_SET_CURSOR_NONE 0x2000
#define VIDYA_SET_BLINKING 0x1003
#define VIDYA_SET_BLINKING_NONE 0x0000
#if !(__ASSEMBLER__ + __LINKER__ + 0)
enum VidyaMode {
kVidyaModeMda = VIDYA_MODE_MDA,
kVidyaModeCga = VIDYA_MODE_CGA
};
enum VidyaColor {
kVidyaColorBlack = 0x0,
kVidyaColorBlue = 0x1,
kVidyaColorGreen = 0x2,
kVidyaColorCyan = 0x3,
kVidyaColorRed = 0x4,
kVidyaColorMagenta = 0x5,
kVidyaColorBrown = 0x6,
kVidyaColorLightGray = 0x7,
kVidyaColorDarkGray = 0x8,
kVidyaColorLightBlue = 0x9,
kVidyaColorLightGreen = 0xa,
kVidyaColorLightCyan = 0xb,
kVidyaColorLightRed = 0xc,
kVidyaColorLightMagenta = 0xd,
kVidyaColorYellow = 0xe,
kVidyaColorWhite = 0xf
};
struct thatispacked VidyaCell {
unsigned glyph : 8; /* IBM Code Page 437 */
union VidyaAttr {
enum {
kVidyaAttrBlank = 0x00,
kVidyaAttrNormal = VIDYA_ATTR_NORMAL,
kVidyaAttrMdaFlipped = 0x70,
kVidyaAttrMdaFlippedFaded = 0x78,
kVidyaAttrMdaFlippedIntense = 0xf0,
kVidyaAttrMdaFlippedFadedIntense = 0xf8
} preset : 8;
struct VidyaTextDecoration { /* MDA Only */
unsigned underline : 1;
unsigned __ignore1 : 1;
unsigned bold : 1;
unsigned __ignore2 : 3;
unsigned intense : 1;
} decoration;
struct { /* CGA Only */
enum VidyaColor fg : 4;
enum VidyaColor bg : 4;
} color;
} attr;
};
typedef union VidyaAttr VidyaAttr;
typedef struct VidyaCell VidyaCell;
typedef struct VidyaCell VidyaPage[VIDYA_ROWS][VIDYA_COLUMNS];
__far VidyaPage *vinit(enum VidyaMode mode);
__far VidyaPage *vcls(__far VidyaCell *pos);
__far VidyaCell *vputc(__far VidyaCell *pos, int c);
__far VidyaCell *vputs(__far VidyaCell *pos, const char *str);
__far VidyaCell *vtput(__far VidyaCell *pos, const void *data, size_t size);
__far VidyaCell *vscroll(__far VidyaCell *pos, size_t bytes);
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_VIDYA_H_ */

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#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_VIDYA_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_VIDYA_H_
#define VIDYA_ROWS 25
#define VIDYA_COLUMNS 80
#define VIDYA_SIZE (VIDYA_ROWS * VIDYA_COLUMNS * 2)
#define VIDYA_MODE_MDA 7
#define VIDYA_MODE_CGA 3
#define VIDYA_ADDR_MDA 0xb0000
#define VIDYA_ADDR_CGA 0xb8000
#define VIDYA_ATTR_NORMAL 0x07 /* cozy default for both mda and cga */
#define VIDYA_REWIND ~0x7fff /* derived from mode addr min. lzcnt */
#define VIDYA_SERVICE 0x10
#define VIDYA_SET_MODE 0x0003
#define VIDYA_SET_CURSOR 0x0100
#define VIDYA_SET_CURSOR_NONE 0x2000
#define VIDYA_SET_BLINKING 0x1003
#define VIDYA_SET_BLINKING_NONE 0x0000
#if !(__ASSEMBLER__ + __LINKER__ + 0)
enum VidyaMode {
kVidyaModeMda = VIDYA_MODE_MDA,
kVidyaModeCga = VIDYA_MODE_CGA
};
enum VidyaColor {
kVidyaColorBlack = 0x0,
kVidyaColorBlue = 0x1,
kVidyaColorGreen = 0x2,
kVidyaColorCyan = 0x3,
kVidyaColorRed = 0x4,
kVidyaColorMagenta = 0x5,
kVidyaColorBrown = 0x6,
kVidyaColorLightGray = 0x7,
kVidyaColorDarkGray = 0x8,
kVidyaColorLightBlue = 0x9,
kVidyaColorLightGreen = 0xa,
kVidyaColorLightCyan = 0xb,
kVidyaColorLightRed = 0xc,
kVidyaColorLightMagenta = 0xd,
kVidyaColorYellow = 0xe,
kVidyaColorWhite = 0xf
};
struct thatispacked VidyaCell {
unsigned glyph : 8; /* IBM Code Page 437 */
union VidyaAttr {
enum {
kVidyaAttrBlank = 0x00,
kVidyaAttrNormal = VIDYA_ATTR_NORMAL,
kVidyaAttrMdaFlipped = 0x70,
kVidyaAttrMdaFlippedFaded = 0x78,
kVidyaAttrMdaFlippedIntense = 0xf0,
kVidyaAttrMdaFlippedFadedIntense = 0xf8
} preset : 8;
struct VidyaTextDecoration { /* MDA Only */
unsigned underline : 1;
unsigned __ignore1 : 1;
unsigned bold : 1;
unsigned __ignore2 : 3;
unsigned intense : 1;
} decoration;
struct { /* CGA Only */
enum VidyaColor fg : 4;
enum VidyaColor bg : 4;
} color;
} attr;
};
typedef union VidyaAttr VidyaAttr;
typedef struct VidyaCell VidyaCell;
typedef struct VidyaCell VidyaPage[VIDYA_ROWS][VIDYA_COLUMNS];
__far VidyaPage *vinit(enum VidyaMode mode);
__far VidyaPage *vcls(__far VidyaCell *pos);
__far VidyaCell *vputc(__far VidyaCell *pos, int c);
__far VidyaCell *vputs(__far VidyaCell *pos, const char *str);
__far VidyaCell *vtput(__far VidyaCell *pos, const void *data, size_t size);
__far VidyaCell *vscroll(__far VidyaCell *pos, size_t bytes);
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_VIDYA_H_ */