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authorarpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>2003-02-09 20:18:23 +0000
committerarpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>2003-02-09 20:18:23 +0000
commit7ff83a71810233276517bc497e93ac15267bc830 (patch)
tree23e697fbbe48eae893b8c28c383199bc6ca000ad /linux
parentc98692a0bf56e79781ae7ca2a1e358f518838dac (diff)
downloadmpv-7ff83a71810233276517bc497e93ac15267bc830.tar.bz2
mpv-7ff83a71810233276517bc497e93ac15267bc830.tar.xz
linux->osdep
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9381 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'linux')
-rw-r--r--linux/.cvsignore1
-rw-r--r--linux/Makefile46
-rw-r--r--linux/getch2.c256
-rw-r--r--linux/getch2.h20
-rw-r--r--linux/keycodes.h36
-rw-r--r--linux/lrmi.c912
-rw-r--r--linux/lrmi.h86
-rw-r--r--linux/scandir.c134
-rw-r--r--linux/shmem.c107
-rw-r--r--linux/shmem.h4
-rw-r--r--linux/strsep.c42
-rw-r--r--linux/timer-lx.c67
-rw-r--r--linux/timer.h17
-rw-r--r--linux/vbelib.c730
-rw-r--r--linux/vbelib.h227
-rw-r--r--linux/vsscanf.c20
16 files changed, 0 insertions, 2705 deletions
diff --git a/linux/.cvsignore b/linux/.cvsignore
deleted file mode 100644
index 4671378aef..0000000000
--- a/linux/.cvsignore
+++ /dev/null
@@ -1 +0,0 @@
-.depend
diff --git a/linux/Makefile b/linux/Makefile
deleted file mode 100644
index f42b913d07..0000000000
--- a/linux/Makefile
+++ /dev/null
@@ -1,46 +0,0 @@
-
-include ../config.mak
-
-LIBNAME = libosdep.a
-
-SRCS=getch2.c timer-lx.c shmem.c strsep.c vsscanf.c scandir.c # timer.c
-OBJS=$(SRCS:.c=.o)
-
-ifeq ($(TARGET_ARCH_X86),yes)
-ifeq ($(TARGET_OS),Linux)
-SRCS += lrmi.c vbelib.c
-endif
-endif
-
-CFLAGS = $(OPTFLAGS) -I. -I.. $(EXTRA_INC)
-# -I/usr/X11R6/include/
-
-.SUFFIXES: .c .o
-
-# .PHONY: all clean
-
-.c.o:
- $(CC) -c $(CFLAGS) -o $@ $<
-
-$(LIBNAME): $(OBJS)
- $(AR) r $(LIBNAME) $(OBJS)
-
-all: $(LIBNAME)
-
-clean:
- rm -f *.o *.a *~
-
-distclean:
- rm -f Makefile.bak *.o *.a *~ .depend
-
-dep: depend
-
-depend:
- $(CC) -MM $(CFLAGS) $(SRCS) 1>.depend
-
-#
-# include dependency files if they exist
-#
-ifneq ($(wildcard .depend),)
-include .depend
-endif
diff --git a/linux/getch2.c b/linux/getch2.c
deleted file mode 100644
index dec9b91a0f..0000000000
--- a/linux/getch2.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/* GyS-TermIO v2.0 (for GySmail v3) (C) 1999 A'rpi/ESP-team */
-
-#include "../config.h"
-
-//#define USE_TERMCAP
-#ifndef __OS2__
-#define USE_IOCTL
-#endif
-
-#define MAX_KEYS 64
-#define BUF_LEN 256
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#ifdef USE_IOCTL
-#include <sys/ioctl.h>
-#endif
-
-#ifdef HAVE_TERMIOS
-#ifdef HAVE_TERMIOS_H
-#include <termios.h>
-#endif
-#ifdef HAVE_SYS_TERMIOS_H
-#include <sys/termios.h>
-#endif
-#endif
-
-#include <unistd.h>
-
-#include "keycodes.h"
-
-#ifdef HAVE_TERMIOS
-static struct termios tio_orig;
-#endif
-static int getch2_len=0;
-static char getch2_buf[BUF_LEN];
-
-int screen_width=80;
-int screen_height=24;
-
-typedef struct {
- int len;
- int code;
- char chars[8];
-} keycode_st;
-static keycode_st getch2_keys[MAX_KEYS];
-static int getch2_key_db=0;
-
-#ifdef USE_TERMCAP
-
-#if 0
-#include <termcap.h>
-#else
- extern int tgetent (char *BUFFER, char *TERMTYPE);
- extern int tgetnum (char *NAME);
- extern int tgetflag (char *NAME);
- extern char *tgetstr (char *NAME, char **AREA);
-#endif
-
-static char term_buffer[4096];
-static char term_buffer2[4096];
-static char *term_p=term_buffer2;
-
-static void termcap_add(char *id,int code){
-char *p=tgetstr(id,&term_p);
- if(!p) return;
- if(getch2_key_db>=MAX_KEYS) return;
- getch2_keys[getch2_key_db].len=strlen(p);
- strncpy(getch2_keys[getch2_key_db].chars,p,8);
- getch2_keys[getch2_key_db].code=code;
- ++getch2_key_db;
-/* printf("%s=%s\n",id,p); */
-}
-
-static int success=0;
-
-int load_termcap(char *termtype){
- if(!termtype) termtype=getenv("TERM");
- if(!termtype) termtype="unknown";
- success=tgetent(term_buffer, termtype);
- if(success<0){ printf("Could not access the 'termcap' data base.\n"); return 0; }
- if(success==0){ printf("Terminal type `%s' is not defined.\n", termtype);return 0;}
-
- screen_width=tgetnum("co");
- screen_height=tgetnum("li");
- if(screen_width<1 || screen_width>255) screen_width=80;
- if(screen_height<1 || screen_height>255) screen_height=24;
-
- termcap_add("kP",KEY_PGUP);
- termcap_add("kN",KEY_PGDWN);
- termcap_add("kh",KEY_HOME);
- termcap_add("kH",KEY_END);
- termcap_add("kI",KEY_INS);
- termcap_add("kD",KEY_DEL);
- termcap_add("kb",KEY_BS);
- termcap_add("kl",KEY_LEFT);
- termcap_add("kd",KEY_DOWN);
- termcap_add("ku",KEY_UP);
- termcap_add("kr",KEY_RIGHT);
- termcap_add("k0",KEY_F+0);
- termcap_add("k1",KEY_F+1);
- termcap_add("k2",KEY_F+2);
- termcap_add("k3",KEY_F+3);
- termcap_add("k4",KEY_F+4);
- termcap_add("k5",KEY_F+5);
- termcap_add("k6",KEY_F+6);
- termcap_add("k7",KEY_F+7);
- termcap_add("k8",KEY_F+8);
- termcap_add("k9",KEY_F+9);
- termcap_add("k;",KEY_F+10);
- return getch2_key_db;
-}
-
-#endif
-
-void get_screen_size(){
-#ifdef USE_IOCTL
- struct winsize ws;
- if (ioctl(0, TIOCGWINSZ, &ws) < 0 || !ws.ws_row || !ws.ws_col) return;
-/* printf("Using IOCTL\n"); */
- screen_width=ws.ws_col;
- screen_height=ws.ws_row;
-#endif
-}
-
-int getch2(int time){
- int len=0;
- int code=0;
- int i=0;
-
- while(!getch2_len || (getch2_len==1 && getch2_buf[0]==27)){
- fd_set rfds;
- struct timeval tv;
- int retval;
- /* Watch stdin (fd 0) to see when it has input. */
- FD_ZERO(&rfds); FD_SET(0,&rfds);
- /* Wait up to 'time' microseconds. */
- tv.tv_sec=time/1000; tv.tv_usec = (time%1000)*1000;
- retval=select(1, &rfds, NULL, NULL, &tv);
- if(retval<=0) return -1;
- /* Data is available now. */
- retval=read(0,&getch2_buf[getch2_len],BUF_LEN-getch2_len);
- if(retval<1) return -1;
- getch2_len+=retval;
- }
-
- /* First find in the TERMCAP database: */
- for(i=0;i<getch2_key_db;i++){
- if((len=getch2_keys[i].len)<=getch2_len)
- if(memcmp(getch2_keys[i].chars,getch2_buf,len)==0){
- code=getch2_keys[i].code; goto found;
- }
- }
- len=1;code=getch2_buf[0];
- /* Check the well-known codes... */
- if(code!=27){
- if(code=='A'-64){ code=KEY_HOME; goto found;}
- if(code=='E'-64){ code=KEY_END; goto found;}
- if(code=='D'-64){ code=KEY_DEL; goto found;}
- if(code=='H'-64){ code=KEY_BS; goto found;}
- if(code=='U'-64){ code=KEY_PGUP; goto found;}
- if(code=='V'-64){ code=KEY_PGDWN; goto found;}
- if(code==8 || code==127){ code=KEY_BS; goto found;}
- if(code==10 || code==13){
- if(getch2_len>1){
- int c=getch2_buf[1];
- if(c==10 || c==13) if(c!=code) len=2;
- }
- code=KEY_ENTER;
- goto found;
- }
- } else if(getch2_len>1){
- int c=getch2_buf[1];
- if(c==27){ code=KEY_ESC; len=2; goto found;}
- if(c>='0' && c<='9'){ code=c-'0'+KEY_F; len=2; goto found;}
- if(getch2_len>=4 && c=='[' && getch2_buf[2]=='['){
- int c=getch2_buf[3];
- if(c>='A' && c<'A'+12){ code=KEY_F+1+c-'A';len=4;goto found;}
- }
- if(c=='[' || c=='O') if(getch2_len>=3){
- int c=getch2_buf[2];
- static short int ctable[]={ KEY_UP,KEY_DOWN,KEY_RIGHT,KEY_LEFT,0,
- KEY_END,KEY_PGDWN,KEY_HOME,KEY_PGUP,0,0,KEY_INS,0,0,0,
- KEY_F+1,KEY_F+2,KEY_F+3,KEY_F+4};
- if(c>='A' && c<='S')
- if(ctable[c-'A']){ code=ctable[c-'A']; len=3; goto found;}
- }
- if(getch2_len>=4 && c=='[' && getch2_buf[3]=='~'){
- int c=getch2_buf[2];
- int ctable[8]={KEY_HOME,KEY_INS,KEY_DEL,KEY_END,KEY_PGUP,KEY_PGDWN,KEY_HOME,KEY_END};
- if(c>='1' && c<='8'){ code=ctable[c-'1']; len=4; goto found;}
- }
- if(getch2_len>=5 && c=='[' && getch2_buf[4]=='~'){
- int i=getch2_buf[2]-'0';
- int j=getch2_buf[3]-'0';
- if(i>=0 && i<=9 && j>=0 && j<=9){
- static short int ftable[20]={
- 11,12,13,14,15, 17,18,19,20,21,
- 23,24,25,26,28, 29,31,32,33,34 };
- int a=i*10+j;
- for(i=0;i<20;i++) if(ftable[i]==a){ code=KEY_F+1+i;len=5;goto found;}
- }
- }
- }
-found:
- if((getch2_len-=len)>0){
- int i;
- for(i=0;i<getch2_len;i++) getch2_buf[i]=getch2_buf[len+i];
- }
- return code;
-}
-
-static int getch2_status=0;
-
-void getch2_enable(){
-#ifdef HAVE_TERMIOS
-struct termios tio_new;
-#if defined(__NetBSD__) || defined(__svr4__) || defined(__CYGWIN__) || defined(__OS2__) || defined(__GNU__)
- tcgetattr(0,&tio_orig);
-#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__bsdi__) || defined(__APPLE__)
- ioctl(0,TIOCGETA,&tio_orig);
-#else
- ioctl(0,TCGETS,&tio_orig);
-#endif
- tio_new=tio_orig;
- tio_new.c_lflag &= ~(ICANON|ECHO); /* Clear ICANON and ECHO. */
- tio_new.c_cc[VMIN] = 1;
- tio_new.c_cc[VTIME] = 0;
-#if defined(__NetBSD__) || defined(__svr4__) || defined(__CYGWIN__) || defined(__OS2__) || defined(__GNU__)
- tcsetattr(0,TCSANOW,&tio_new);
-#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__bsdi__) || defined(__APPLE__)
- ioctl(0,TIOCSETA,&tio_new);
-#else
- ioctl(0,TCSETS,&tio_new);
-#endif
-#endif
- getch2_status=1;
-}
-
-void getch2_disable(){
- if(!getch2_status) return; // already disabled / never enabled
-#ifdef HAVE_TERMIOS
-#if defined(__NetBSD__) || defined(__svr4__) || defined(__CYGWIN__) || defined(__OS2__) || defined(__GNU__)
- tcsetattr(0,TCSANOW,&tio_orig);
-#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__bsdi__) || defined(__APPLE__)
- ioctl(0,TIOCSETA,&tio_orig);
-#else
- ioctl(0,TCSETS,&tio_orig);
-#endif
-#endif
- getch2_status=0;
-}
-
diff --git a/linux/getch2.h b/linux/getch2.h
deleted file mode 100644
index 016de5ae9e..0000000000
--- a/linux/getch2.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* GyS-TermIO v2.0 (for GySmail v3) (C) 1999 A'rpi/ESP-team */
-/* a very small replacement of ncurses library */
-
-/* Screen size. Initialized by load_termcap() and get_screen_size() */
-extern int screen_width;
-extern int screen_height;
-
-/* Get screen-size using IOCTL call. */
-extern void get_screen_size();
-
-/* Load key definitions from the TERMCAP database. 'termtype' can be NULL */
-extern int load_termcap(char *termtype);
-
-/* Enable and disable STDIN line-buffering */
-extern void getch2_enable();
-extern void getch2_disable();
-
-/* Read a character or a special key code (see keycodes.h) */
-extern int getch2(int halfdelay_time);
-
diff --git a/linux/keycodes.h b/linux/keycodes.h
deleted file mode 100644
index e0b963535c..0000000000
--- a/linux/keycodes.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* KEY code definitions for GyS-TermIO v2.0 (C) 1999 A'rpi/ESP-team */
-
-#define KEY_ENTER 13
-#define KEY_TAB 9
-
-#define KEY_BASE 0x100
-
-/* Function keys */
-#define KEY_F (KEY_BASE+64)
-
-/* Control keys */
-#define KEY_CTRL (KEY_BASE)
-#define KEY_BACKSPACE (KEY_CTRL+0)
-#define KEY_DELETE (KEY_CTRL+1)
-#define KEY_INSERT (KEY_CTRL+2)
-#define KEY_HOME (KEY_CTRL+3)
-#define KEY_END (KEY_CTRL+4)
-#define KEY_PAGE_UP (KEY_CTRL+5)
-#define KEY_PAGE_DOWN (KEY_CTRL+6)
-#define KEY_ESC (KEY_CTRL+7)
-
-/* Control keys short name */
-#define KEY_BS KEY_BACKSPACE
-#define KEY_DEL KEY_DELETE
-#define KEY_INS KEY_INSERT
-#define KEY_PGUP KEY_PAGE_UP
-#define KEY_PGDOWN KEY_PAGE_DOWN
-#define KEY_PGDWN KEY_PAGE_DOWN
-
-/* Cursor movement */
-#define KEY_CRSR (KEY_BASE+16)
-#define KEY_RIGHT (KEY_CRSR+0)
-#define KEY_LEFT (KEY_CRSR+1)
-#define KEY_DOWN (KEY_CRSR+2)
-#define KEY_UP (KEY_CRSR+3)
-
diff --git a/linux/lrmi.c b/linux/lrmi.c
deleted file mode 100644
index ce77a6767a..0000000000
--- a/linux/lrmi.c
+++ /dev/null
@@ -1,912 +0,0 @@
-/*
-Linux Real Mode Interface - A library of DPMI-like functions for Linux.
-
-Copyright (C) 1998 by Josh Vanderhoof
-
-You are free to distribute and modify this file, as long as you
-do not remove this copyright notice and clearly label modified
-versions as being modified.
-
-This software has NO WARRANTY. Use it at your own risk.
-Original location: http://cvs.debian.org/lrmi/
-*/
-
-#include <stdio.h>
-#include <string.h>
-#include <sys/io.h>
-#include <asm/vm86.h>
-
-#ifdef USE_LIBC_VM86
-#include <sys/vm86.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "lrmi.h"
-
-#define REAL_MEM_BASE ((void *)0x10000)
-#define REAL_MEM_SIZE 0x10000
-#define REAL_MEM_BLOCKS 0x100
-
-struct mem_block
- {
- unsigned int size : 20;
- unsigned int free : 1;
- };
-
-static struct
- {
- int ready;
- int count;
- struct mem_block blocks[REAL_MEM_BLOCKS];
- } mem_info = { 0 };
-
-static int
-real_mem_init(void)
- {
- void *m;
- int fd_zero;
-
- if (mem_info.ready)
- return 1;
-
- fd_zero = open("/dev/zero", O_RDONLY);
- if (fd_zero == -1)
- {
- perror("open /dev/zero");
- return 0;
- }
-
- m = mmap((void *)REAL_MEM_BASE, REAL_MEM_SIZE,
- PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_FIXED | MAP_PRIVATE, fd_zero, 0);
-
- if (m == (void *)-1)
- {
- perror("mmap /dev/zero");
- close(fd_zero);
- return 0;
- }
-
- mem_info.ready = 1;
- mem_info.count = 1;
- mem_info.blocks[0].size = REAL_MEM_SIZE;
- mem_info.blocks[0].free = 1;
-
- return 1;
- }
-
-
-static void
-insert_block(int i)
- {
- memmove(
- mem_info.blocks + i + 1,
- mem_info.blocks + i,
- (mem_info.count - i) * sizeof(struct mem_block));
-
- mem_info.count++;
- }
-
-static void
-delete_block(int i)
- {
- mem_info.count--;
-
- memmove(
- mem_info.blocks + i,
- mem_info.blocks + i + 1,
- (mem_info.count - i) * sizeof(struct mem_block));
- }
-
-void *
-LRMI_alloc_real(int size)
- {
- int i;
- char *r = (char *)REAL_MEM_BASE;
-
- if (!mem_info.ready)
- return NULL;
-
- if (mem_info.count == REAL_MEM_BLOCKS)
- return NULL;
-
- size = (size + 15) & ~15;
-
- for (i = 0; i < mem_info.count; i++)
- {
- if (mem_info.blocks[i].free && size < mem_info.blocks[i].size)
- {
- insert_block(i);
-
- mem_info.blocks[i].size = size;
- mem_info.blocks[i].free = 0;
- mem_info.blocks[i + 1].size -= size;
-
- return (void *)r;
- }
-
- r += mem_info.blocks[i].size;
- }
-
- return NULL;
- }
-
-
-void
-LRMI_free_real(void *m)
- {
- int i;
- char *r = (char *)REAL_MEM_BASE;
-
- if (!mem_info.ready)
- return;
-
- i = 0;
- while (m != (void *)r)
- {
- r += mem_info.blocks[i].size;
- i++;
- if (i == mem_info.count)
- return;
- }
-
- mem_info.blocks[i].free = 1;
-
- if (i + 1 < mem_info.count && mem_info.blocks[i + 1].free)
- {
- mem_info.blocks[i].size += mem_info.blocks[i + 1].size;
- delete_block(i + 1);
- }
-
- if (i - 1 >= 0 && mem_info.blocks[i - 1].free)
- {
- mem_info.blocks[i - 1].size += mem_info.blocks[i].size;
- delete_block(i);
- }
- }
-
-
-#define DEFAULT_VM86_FLAGS (IF_MASK | IOPL_MASK)
-#define DEFAULT_STACK_SIZE 0x1000
-#define RETURN_TO_32_INT 255
-
-static struct
- {
- int ready;
- unsigned short ret_seg, ret_off;
- unsigned short stack_seg, stack_off;
- struct vm86_struct vm;
- } context = { 0 };
-
-
-static inline void
-set_bit(unsigned int bit, void *array)
- {
- unsigned char *a = array;
-
- a[bit / 8] |= (1 << (bit % 8));
- }
-
-
-static inline unsigned int
-get_int_seg(int i)
- {
- return *(unsigned short *)(i * 4 + 2);
- }
-
-
-static inline unsigned int
-get_int_off(int i)
- {
- return *(unsigned short *)(i * 4);
- }
-
-
-static inline void
-pushw(unsigned short i)
- {
- struct vm86_regs *r = &context.vm.regs;
- r->esp -= 2;
- *(unsigned short *)(((unsigned int)r->ss << 4) + r->esp) = i;
- }
-
-
-int
-LRMI_init(void)
- {
- void *m;
- int fd_mem;
-
- if (context.ready)
- return 1;
-
- if (!real_mem_init())
- return 0;
-
- /*
- Map the Interrupt Vectors (0x0 - 0x400) + BIOS data (0x400 - 0x502)
- and the ROM (0xa0000 - 0x100000)
- */
- fd_mem = open("/dev/mem", O_RDWR);
-
- if (fd_mem == -1)
- {
- perror("open /dev/mem");
- return 0;
- }
-
- m = mmap((void *)0, 0x502,
- PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_FIXED | MAP_PRIVATE, fd_mem, 0);
-
- if (m == (void *)-1)
- {
- perror("mmap /dev/mem");
- return 0;
- }
-
- m = mmap((void *)0xa0000, 0x100000 - 0xa0000,
- PROT_READ | PROT_WRITE,
- MAP_FIXED | MAP_SHARED, fd_mem, 0xa0000);
-
- if (m == (void *)-1)
- {
- perror("mmap /dev/mem");
- return 0;
- }
-
-
- /*
- Allocate a stack
- */
- m = LRMI_alloc_real(DEFAULT_STACK_SIZE);
-
- context.stack_seg = (unsigned int)m >> 4;
- context.stack_off = DEFAULT_STACK_SIZE;
-
- /*
- Allocate the return to 32 bit routine
- */
- m = LRMI_alloc_real(2);
-
- context.ret_seg = (unsigned int)m >> 4;
- context.ret_off = (unsigned int)m & 0xf;
-
- ((unsigned char *)m)[0] = 0xcd; /* int opcode */
- ((unsigned char *)m)[1] = RETURN_TO_32_INT;
-
- memset(&context.vm, 0, sizeof(context.vm));
-
- /*
- Enable kernel emulation of all ints except RETURN_TO_32_INT
- */
- memset(&context.vm.int_revectored, 0, sizeof(context.vm.int_revectored));
- set_bit(RETURN_TO_32_INT, &context.vm.int_revectored);
-
- context.ready = 1;
-
- return 1;
- }
-
-
-static void
-set_regs(struct LRMI_regs *r)
- {
- context.vm.regs.edi = r->edi;
- context.vm.regs.esi = r->esi;
- context.vm.regs.ebp = r->ebp;
- context.vm.regs.ebx = r->ebx;
- context.vm.regs.edx = r->edx;
- context.vm.regs.ecx = r->ecx;
- context.vm.regs.eax = r->eax;
- context.vm.regs.eflags = DEFAULT_VM86_FLAGS;
- context.vm.regs.es = r->es;
- context.vm.regs.ds = r->ds;
- context.vm.regs.fs = r->fs;
- context.vm.regs.gs = r->gs;
- }
-
-
-static void
-get_regs(struct LRMI_regs *r)
- {
- r->edi = context.vm.regs.edi;
- r->esi = context.vm.regs.esi;
- r->ebp = context.vm.regs.ebp;
- r->ebx = context.vm.regs.ebx;
- r->edx = context.vm.regs.edx;
- r->ecx = context.vm.regs.ecx;
- r->eax = context.vm.regs.eax;
- r->flags = context.vm.regs.eflags;
- r->es = context.vm.regs.es;
- r->ds = context.vm.regs.ds;
- r->fs = context.vm.regs.fs;
- r->gs = context.vm.regs.gs;
- }
-
-#define DIRECTION_FLAG (1 << 10)
-
-static void
-em_ins(int size)
- {
- unsigned int edx, edi;
-
- edx = context.vm.regs.edx & 0xffff;
- edi = context.vm.regs.edi & 0xffff;
- edi += (unsigned int)context.vm.regs.ds << 4;
-
- if (context.vm.regs.eflags & DIRECTION_FLAG)
- {
- if (size == 4)
- asm volatile ("std; insl; cld"
- : "=D" (edi) : "d" (edx), "0" (edi));
- else if (size == 2)
- asm volatile ("std; insw; cld"
- : "=D" (edi) : "d" (edx), "0" (edi));
- else
- asm volatile ("std; insb; cld"
- : "=D" (edi) : "d" (edx), "0" (edi));
- }
- else
- {
- if (size == 4)
- asm volatile ("cld; insl"
- : "=D" (edi) : "d" (edx), "0" (edi));
- else if (size == 2)
- asm volatile ("cld; insw"
- : "=D" (edi) : "d" (edx), "0" (edi));
- else
- asm volatile ("cld; insb"
- : "=D" (edi) : "d" (edx), "0" (edi));
- }
-
- edi -= (unsigned int)context.vm.regs.ds << 4;
-
- context.vm.regs.edi &= 0xffff0000;
- context.vm.regs.edi |= edi & 0xffff;
- }
-
-static void
-em_rep_ins(int size)
- {
- unsigned int ecx, edx, edi;
-
- ecx = context.vm.regs.ecx & 0xffff;
- edx = context.vm.regs.edx & 0xffff;
- edi = context.vm.regs.edi & 0xffff;
- edi += (unsigned int)context.vm.regs.ds << 4;
-
- if (context.vm.regs.eflags & DIRECTION_FLAG)
- {
- if (size == 4)
- asm volatile ("std; rep; insl; cld"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- else if (size == 2)
- asm volatile ("std; rep; insw; cld"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- else
- asm volatile ("std; rep; insb; cld"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- }
- else
- {
- if (size == 4)
- asm volatile ("cld; rep; insl"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- else if (size == 2)
- asm volatile ("cld; rep; insw"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- else
- asm volatile ("cld; rep; insb"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- }
-
- edi -= (unsigned int)context.vm.regs.ds << 4;
-
- context.vm.regs.edi &= 0xffff0000;
- context.vm.regs.edi |= edi & 0xffff;
-
- context.vm.regs.ecx &= 0xffff0000;
- context.vm.regs.ecx |= ecx & 0xffff;
- }
-
-static void
-em_outs(int size)
- {
- unsigned int edx, esi;
-
- edx = context.vm.regs.edx & 0xffff;
- esi = context.vm.regs.esi & 0xffff;
- esi += (unsigned int)context.vm.regs.ds << 4;
-
- if (context.vm.regs.eflags & DIRECTION_FLAG)
- {
- if (size == 4)
- asm volatile ("std; outsl; cld"
- : "=S" (esi) : "d" (edx), "0" (esi));
- else if (size == 2)
- asm volatile ("std; outsw; cld"
- : "=S" (esi) : "d" (edx), "0" (esi));
- else
- asm volatile ("std; outsb; cld"
- : "=S" (esi) : "d" (edx), "0" (esi));
- }
- else
- {
- if (size == 4)
- asm volatile ("cld; outsl"
- : "=S" (esi) : "d" (edx), "0" (esi));
- else if (size == 2)
- asm volatile ("cld; outsw"
- : "=S" (esi) : "d" (edx), "0" (esi));
- else
- asm volatile ("cld; outsb"
- : "=S" (esi) : "d" (edx), "0" (esi));
- }
-
- esi -= (unsigned int)context.vm.regs.ds << 4;
-
- context.vm.regs.esi &= 0xffff0000;
- context.vm.regs.esi |= esi & 0xffff;
- }
-
-static void
-em_rep_outs(int size)
- {
- unsigned int ecx, edx, esi;
-
- ecx = context.vm.regs.ecx & 0xffff;
- edx = context.vm.regs.edx & 0xffff;
- esi = context.vm.regs.esi & 0xffff;
- esi += (unsigned int)context.vm.regs.ds << 4;
-
- if (context.vm.regs.eflags & DIRECTION_FLAG)
- {
- if (size == 4)
- asm volatile ("std; rep; outsl; cld"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- else if (size == 2)
- asm volatile ("std; rep; outsw; cld"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- else
- asm volatile ("std; rep; outsb; cld"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- }
- else
- {
- if (size == 4)
- asm volatile ("cld; rep; outsl"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- else if (size == 2)
- asm volatile ("cld; rep; outsw"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- else
- asm volatile ("cld; rep; outsb"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- }
-
- esi -= (unsigned int)context.vm.regs.ds << 4;
-
- context.vm.regs.esi &= 0xffff0000;
- context.vm.regs.esi |= esi & 0xffff;
-
- context.vm.regs.ecx &= 0xffff0000;
- context.vm.regs.ecx |= ecx & 0xffff;
- }
-
-static void
-em_inbl(unsigned char literal)
- {
- context.vm.regs.eax = inb(literal) & 0xff;
- }
-
-static void
-em_inb(void)
- {
- asm volatile ("inb (%w1), %b0"
- : "=a" (context.vm.regs.eax)
- : "d" (context.vm.regs.edx), "0" (context.vm.regs.eax));
- }
-
-static void
-em_inw(void)
- {
- asm volatile ("inw (%w1), %w0"
- : "=a" (context.vm.regs.eax)
- : "d" (context.vm.regs.edx), "0" (context.vm.regs.eax));
- }
-
-static void
-em_inl(void)
- {
- asm volatile ("inl (%w1), %0"
- : "=a" (context.vm.regs.eax)
- : "d" (context.vm.regs.edx));
- }
-
-static void
-em_outbl(unsigned char literal)
- {
- outb(context.vm.regs.eax & 0xff, literal);
- }
-
-static void
-em_outb(void)
- {
- asm volatile ("outb %b0, (%w1)"
- : : "a" (context.vm.regs.eax),
- "d" (context.vm.regs.edx));
- }
-
-static void
-em_outw(void)
- {
- asm volatile ("outw %w0, (%w1)"
- : : "a" (context.vm.regs.eax),
- "d" (context.vm.regs.edx));
- }
-
-static void
-em_outl(void)
- {
- asm volatile ("outl %0, (%w1)"
- : : "a" (context.vm.regs.eax),
- "d" (context.vm.regs.edx));
- }
-
-static int
-emulate(void)
- {
- unsigned char *insn;
- struct
- {
- unsigned int size : 1;
- unsigned int rep : 1;
- } prefix = { 0, 0 };
- int i = 0;
-
- insn = (unsigned char *)((unsigned int)context.vm.regs.cs << 4);
- insn += context.vm.regs.eip;
-
- while (1)
- {
- if (insn[i] == 0x66)
- {
- prefix.size = 1 - prefix.size;
- i++;
- }
- else if (insn[i] == 0xf3)
- {
- prefix.rep = 1;
- i++;
- }
- else if (insn[i] == 0xf0 || insn[i] == 0xf2
- || insn[i] == 0x26 || insn[i] == 0x2e
- || insn[i] == 0x36 || insn[i] == 0x3e
- || insn[i] == 0x64 || insn[i] == 0x65
- || insn[i] == 0x67)
- {
- /* these prefixes are just ignored */
- i++;
- }
- else if (insn[i] == 0x6c)
- {
- if (prefix.rep)
- em_rep_ins(1);
- else
- em_ins(1);
- i++;
- break;
- }
- else if (insn[i] == 0x6d)
- {
- if (prefix.rep)
- {
- if (prefix.size)
- em_rep_ins(4);
- else
- em_rep_ins(2);
- }
- else
- {
- if (prefix.size)
- em_ins(4);
- else
- em_ins(2);
- }
- i++;
- break;
- }
- else if (insn[i] == 0x6e)
- {
- if (prefix.rep)
- em_rep_outs(1);
- else
- em_outs(1);
- i++;
- break;
- }
- else if (insn[i] == 0x6f)
- {
- if (prefix.rep)
- {
- if (prefix.size)
- em_rep_outs(4);
- else
- em_rep_outs(2);
- }
- else
- {
- if (prefix.size)
- em_outs(4);
- else
- em_outs(2);
- }
- i++;
- break;
- }
- else if (insn[i] == 0xe4)
- {
- em_inbl(insn[i + 1]);
- i += 2;
- break;
- }
- else if (insn[i] == 0xe6)
- {
- em_outbl(insn[i + 1]);
- i += 2;
- break;
- }
- else if (insn[i] == 0xec)
- {
- em_inb();
- i++;
- break;
- }
- else if (insn[i] == 0xed)
- {
- if (prefix.size)
- em_inl();
- else
- em_inw();
- i++;
- break;
- }
- else if (insn[i] == 0xee)
- {
- em_outb();
- i++;
- break;
- }
- else if (insn[i] == 0xef)
- {
- if (prefix.size)
- em_outl();
- else
- em_outw();
-
- i++;
- break;
- }
- else
- return 0;
- }
-
- context.vm.regs.eip += i;
- return 1;
- }
-
-
-/*
- I don't know how to make sure I get the right vm86() from libc.
- The one I want is syscall # 113 (vm86old() in libc 5, vm86() in glibc)
- which should be declared as "int vm86(struct vm86_struct *);" in
- <sys/vm86.h>.
-
- This just does syscall 113 with inline asm, which should work
- for both libc's (I hope).
-*/
-#if !defined(USE_LIBC_VM86)
-static int
-lrmi_vm86(struct vm86_struct *vm)
- {
- int r;
-#ifdef __PIC__
- asm volatile (
- "pushl %%ebx\n\t"
- "movl %2, %%ebx\n\t"
- "int $0x80\n\t"
- "popl %%ebx"
- : "=a" (r)
- : "0" (113), "r" (vm));