diff options
Diffstat (limited to 'util/vgabios/helper_exec.c')
| -rw-r--r-- | util/vgabios/helper_exec.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/util/vgabios/helper_exec.c b/util/vgabios/helper_exec.c deleted file mode 100644 index 4d6aae5a7c4a..000000000000 --- a/util/vgabios/helper_exec.c +++ /dev/null @@ -1,269 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/helper_exec.c,v 1.16 2001/04/30 14:34:57 tsi Exp $ */ -/* - * XFree86 int10 module - * execute BIOS int 10h calls in x86 real mode environment - * Copyright 1999 Egbert Eich - * - * Part of this is based on code taken from DOSEMU - * (C) Copyright 1992, ..., 1999 the "DOSEMU-Development-Team" - */ - -/* - * To debug port accesses define PRINT_PORT. - * Note! You also have to comment out ioperm() - * in xf86EnableIO(). Otherwise we won't trap - * on PIO. - */ -#include <sys/io.h> -#include <sys/time.h> -#include <stdio.h> -#include <stdtypes.h> -#include <x86emu/x86emu.h> -#include "helper_exec.h" -#include "testbios.h" - -/* general software interrupt handler */ -u32 getIntVect(int num) -{ - return MEM_RW(num << 2) + (MEM_RW((num << 2) + 2) << 4); -} - -void pushw(u16 val) -{ - X86_ESP -= 2; - MEM_WW(((u32) X86_SS << 4) + X86_SP, val); -} - -int run_bios_int(int num) -{ - u32 eflags; - - eflags = X86_EFLAGS; - pushw(eflags); - pushw(X86_CS); - pushw(X86_IP); - X86_CS = MEM_RW((num << 2) + 2); - X86_IP = MEM_RW(num << 2); - - printf("%s: INT %x CS:IP = %x:%x\n", __FUNCTION__, - num, MEM_RW((num << 2) + 2), MEM_RW(num << 2)); - - return 1; -} - -#if 0 - -int port_rep_inb(u16 port, u32 base, int d_f, u32 count) -{ - register int inc = d_f ? -1 : 1; - u32 dst = base; - while (count--) { - MEM_WB(dst, x_inb(port)); - dst += inc; - } - return dst - base; -} - -int port_rep_inw(u16 port, u32 base, int d_f, u32 count) -{ - register int inc = d_f ? -2 : 2; - u32 dst = base; - while (count--) { - MEM_WW(dst, x_inw(port)); - dst += inc; - } - return dst - base; -} - -int port_rep_inl(u16 port, u32 base, int d_f, u32 count) -{ - register int inc = d_f ? -4 : 4; - u32 dst = base; - while (count--) { - MEM_WL(dst, x_inl(port)); - dst += inc; - } - return dst - base; -} - -int port_rep_outb(u16 port, u32 base, int d_f, u32 count) -{ - register int inc = d_f ? -1 : 1; - u32 dst = base; - while (count--) { - x_outb(port, MEM_RB(dst)); - dst += inc; - } - return dst - base; -} - -int port_rep_outw(u16 port, u32 base, int d_f, u32 count) -{ - register int inc = d_f ? -2 : 2; - u32 dst = base; - while (count--) { - x_outw(port, MEM_RW(dst)); - dst += inc; - } - return dst - base; -} - -int port_rep_outl(u16 port, u32 base, int d_f, u32 count) -{ - register int inc = d_f ? -4 : 4; - u32 dst = base; - while (count--) { - x_outl(port, MEM_RL(dst)); - dst += inc; - } - return dst - base; -} - -#endif - -u8 x_inb(u16 port) -{ - u8 val; - - val = inb(port); - - printf("inb(0x%04x) = 0x%02x\n", port, val); - - return val; -} - -u16 x_inw(u16 port) -{ - u16 val; - - val = inw(port); - - printf("inw(0x%04x) = 0x%04x\n", port, val); - return val; -} - -u32 x_inl(u16 port) -{ - u32 val; - - val = inl(port); - - printf("inl(0x%04x) = 0x%08x\n", port, val); - return val; -} - -void x_outb(u16 port, u8 val) -{ - printf("outb(0x%02x, 0x%04x)\n", - val, port); - outb(val, port); -} - -void x_outw(u16 port, u16 val) -{ - printf("outw(0x%04x, 0x%04x)\n", val, port); - outw(val, port); -} - -void x_outl(u16 port, u32 val) -{ - printf("outl(0x%08x, 0x%04x)\n", val, port); - outl(val, port); -} - -#if 0 -u8 Mem_rb(int addr) -{ - return (*current->mem->rb) (current, addr); -} - -u16 Mem_rw(int addr) -{ - return (*current->mem->rw) (current, addr); -} - -u32 Mem_rl(int addr) -{ - return (*current->mem->rl) (current, addr); -} - -void Mem_wb(int addr, u8 val) -{ - (*current->mem->wb) (current, addr, val); -} - -void Mem_ww(int addr, u16 val) -{ - (*current->mem->ww) (current, addr, val); -} - -void Mem_wl(int addr, u32 val) -{ - (*current->mem->wl) (current, addr, val); -} -#endif - -void getsecs(unsigned long *sec, unsigned long *usec) -{ - struct timeval tv; - gettimeofday(&tv, 0); - *sec = tv.tv_sec; - *usec = tv.tv_usec; -} - -#define TAG(Cfg1Addr) (Cfg1Addr & 0xffff00) -#define OFFSET(Cfg1Addr) (Cfg1Addr & 0xff) - -u8 bios_checksum(u8 * start, int size) -{ - u8 sum = 0; - - while (size-- > 0) - sum += *start++; - return sum; -} - -/* - * Lock/Unlock legacy VGA. Some Bioses try to be very clever and make - * an attempt to detect a legacy ISA card. If they find one they might - * act very strange: for example they might configure the card as a - * monochrome card. This might cause some drivers to choke. - * To avoid this we attempt legacy VGA by writing to all know VGA - * disable registers before we call the BIOS initialization and - * restore the original values afterwards. In beween we hold our - * breath. To get to a (possibly exising) ISA card need to disable - * our current PCI card. - */ -/* - * This is just for booting: we just want to catch pure - * legacy vga therefore we don't worry about mmio etc. - * This stuff should really go into vgaHW.c. However then - * the driver would have to load the vga-module prior to - * doing int10. - */ -/*void -LockLegacyVGA(int screenIndex,legacyVGAPtr vga) -{ - xf86SetCurrentAccess(FALSE, xf86Screens[screenIndex]); - vga->save_msr = inb(0x3CC); - vga->save_vse = inb(0x3C3); - vga->save_46e8 = inb(0x46e8); - vga->save_pos102 = inb(0x102); - outb(0x3C2, ~(u8)0x03 & vga->save_msr); - outb(0x3C3, ~(u8)0x01 & vga->save_vse); - outb(0x46e8, ~(u8)0x08 & vga->save_46e8); - outb(0x102, ~(u8)0x01 & vga->save_pos102); - xf86SetCurrentAccess(TRUE, xf86Screens[screenIndex]); -} - -void -UnlockLegacyVGA(int screenIndex, legacyVGAPtr vga) -{ - xf86SetCurrentAccess(FALSE, xf86Screens[screenIndex]); - outb(0x102, vga->save_pos102); - outb(0x46e8, vga->save_46e8); - outb(0x3C3, vga->save_vse); - outb(0x3C2, vga->save_msr); - xf86SetCurrentAccess(TRUE, xf86Screens[screenIndex]); -} -*/ |