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Diffstat (limited to 'xc/programs/Xserver/hw/xfree86/int10/helper_exec.c')
-rw-r--r--xc/programs/Xserver/hw/xfree86/int10/helper_exec.c146
1 files changed, 109 insertions, 37 deletions
diff --git a/xc/programs/Xserver/hw/xfree86/int10/helper_exec.c b/xc/programs/Xserver/hw/xfree86/int10/helper_exec.c
index e4570f20c..0897da3f3 100644
--- a/xc/programs/Xserver/hw/xfree86/int10/helper_exec.c
+++ b/xc/programs/Xserver/hw/xfree86/int10/helper_exec.c
@@ -1,4 +1,4 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/helper_exec.c,v 1.16 2001/04/30 14:34:57 tsi Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/helper_exec.c,v 1.22 2002/10/03 21:32:20 tsi Exp $ */
/*
* XFree86 int10 module
* execute BIOS int 10h calls in x86 real mode environment
@@ -14,11 +14,11 @@
* in xf86EnableIO(). Otherwise we won't trap
* on PIO.
*/
+
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86_ansic.h"
#include "compiler.h"
-#include "xf86Pci.h"
#define _INT10_PRIVATE
#include "int10Defines.h"
#include "xf86int10.h"
@@ -27,6 +27,9 @@
static int pciCfg1in(CARD16 addr, CARD32 *val);
static int pciCfg1out(CARD16 addr, CARD32 val);
#endif
+#if defined (_PC)
+static void SetResetBIOSVars(xf86Int10InfoPtr pInt, Bool set);
+#endif
#define REG pInt
@@ -52,7 +55,10 @@ setup_int(xf86Int10InfoPtr pInt)
X86_FS = 0;
X86_GS = 0;
X86_EFLAGS = X86_IF_MASK | X86_IOPL_MASK;
-
+#if defined (_PC)
+ if (pInt->flags & SET_BIOS_SCRATCH)
+ SetResetBIOSVars(pInt, TRUE);
+#endif
return xf86BlockSIGIO();
}
@@ -66,9 +72,13 @@ finish_int(xf86Int10InfoPtr pInt, int sig)
pInt->dx = (CARD32) X86_EDX;
pInt->si = (CARD32) X86_ESI;
pInt->di = (CARD32) X86_EDI;
- pInt->es = (CARD32) X86_ES;
+ pInt->es = (CARD16) X86_ES;
pInt->bp = (CARD32) X86_EBP;
- pInt->flags = (CARD16) X86_FLAGS;
+ pInt->flags = (CARD32) X86_FLAGS;
+#if defined (_PC)
+ if (pInt->flags & RESTORE_BIOS_SCRATCH)
+ SetResetBIOSVars(pInt, FALSE);
+#endif
}
/* general software interrupt handler */
@@ -92,8 +102,13 @@ run_bios_int(int num, xf86Int10InfoPtr pInt)
#ifndef _PC
/* check if bios vector is initialized */
if (MEM_RW(pInt, (num << 2) + 2) == (SYS_BIOS >> 4)) { /* SYS_BIOS_SEG ?*/
- ErrorF("Card BIOS on non-PC like platform not loaded\n");
- return 0;
+ xf86DrvMsgVerb(pInt->scrnIndex, X_NOT_IMPLEMENTED, 2,
+ "Ignoring int 0x%02x call\n", num);
+ if (xf86GetVerbosity() > 3) {
+ dump_registers(pInt);
+ stack_trace(pInt);
+ }
+ return 1;
}
#endif
#ifdef PRINT_INT
@@ -293,7 +308,7 @@ x_inb(CARD16 port)
}
#endif /* __NOT_YET__ */
} else {
- val = inb(port);
+ val = inb(Int10Current->ioBase + port);
#ifdef PRINT_PORT
ErrorF(" inb(%#x) = %2.2x\n", port, val);
#endif
@@ -315,7 +330,7 @@ x_inw(CARD16 port)
(void)getsecs(&sec, &usec);
val = (CARD16)(usec / 3);
} else {
- val = inw(port);
+ val = inw(Int10Current->ioBase + port);
}
#ifdef PRINT_PORT
ErrorF(" inw(%#x) = %4.4x\n", port, val);
@@ -352,7 +367,7 @@ x_outb(CARD16 port, CARD8 val)
#ifdef PRINT_PORT
ErrorF(" outb(%#x, %2.2x)\n", port, val);
#endif
- outb(port, val);
+ outb(Int10Current->ioBase + port, val);
}
}
@@ -363,7 +378,7 @@ x_outw(CARD16 port, CARD16 val)
ErrorF(" outw(%#x, %4.4x)\n", port, val);
#endif
- outw(port, val);
+ outw(Int10Current->ioBase + port, val);
}
CARD32
@@ -374,7 +389,7 @@ x_inl(CARD16 port)
#if !defined(_PC) && !defined(_PC_PCI)
if (!pciCfg1in(port, &val))
#endif
- val = inl(port);
+ val = inl(Int10Current->ioBase + port);
#ifdef PRINT_PORT
ErrorF(" inl(%#x) = %8.8x\n", port, val);
@@ -392,41 +407,41 @@ x_outl(CARD16 port, CARD32 val)
#if !defined(_PC) && !defined(_PC_PCI)
if (!pciCfg1out(port, val))
#endif
- outl(port, val);
+ outl(Int10Current->ioBase + port, val);
}
CARD8
-Mem_rb(int addr)
+Mem_rb(CARD32 addr)
{
return (*Int10Current->mem->rb)(Int10Current, addr);
}
CARD16
-Mem_rw(int addr)
+Mem_rw(CARD32 addr)
{
return (*Int10Current->mem->rw)(Int10Current, addr);
}
CARD32
-Mem_rl(int addr)
+Mem_rl(CARD32 addr)
{
return (*Int10Current->mem->rl)(Int10Current, addr);
}
void
-Mem_wb(int addr, CARD8 val)
+Mem_wb(CARD32 addr, CARD8 val)
{
(*Int10Current->mem->wb)(Int10Current, addr, val);
}
void
-Mem_ww(int addr, CARD16 val)
+Mem_ww(CARD32 addr, CARD16 val)
{
(*Int10Current->mem->ww)(Int10Current, addr, val);
}
void
-Mem_wl(int addr, CARD32 val)
+Mem_wl(CARD32 addr, CARD32 val)
{
(*Int10Current->mem->wl)(Int10Current, addr, val);
}
@@ -495,27 +510,84 @@ bios_checksum(CARD8 *start, int size)
* doing int10.
*/
void
-LockLegacyVGA(int screenIndex,legacyVGAPtr vga)
+LockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga)
+{
+ xf86SetCurrentAccess(FALSE, xf86Screens[pInt->scrnIndex]);
+ vga->save_msr = inb(pInt->ioBase + 0x03CC);
+ vga->save_vse = inb(pInt->ioBase + 0x03C3);
+#ifndef __ia64__
+ vga->save_46e8 = inb(pInt->ioBase + 0x46E8);
+#endif
+ vga->save_pos102 = inb(pInt->ioBase + 0x0102);
+ outb(pInt->ioBase + 0x03C2, ~(CARD8)0x03 & vga->save_msr);
+ outb(pInt->ioBase + 0x03C3, ~(CARD8)0x01 & vga->save_vse);
+#ifndef __ia64__
+ outb(pInt->ioBase + 0x46E8, ~(CARD8)0x08 & vga->save_46e8);
+#endif
+ outb(pInt->ioBase + 0x0102, ~(CARD8)0x01 & vga->save_pos102);
+ xf86SetCurrentAccess(TRUE, xf86Screens[pInt->scrnIndex]);
+}
+
+void
+UnlockLegacyVGA(xf86Int10InfoPtr pInt, 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, ~(CARD8)0x03 & vga->save_msr);
- outb(0x3C3, ~(CARD8)0x01 & vga->save_vse);
- outb(0x46e8, ~(CARD8)0x08 & vga->save_46e8);
- outb(0x102, ~(CARD8)0x01 & vga->save_pos102);
- xf86SetCurrentAccess(TRUE, xf86Screens[screenIndex]);
+ xf86SetCurrentAccess(FALSE, xf86Screens[pInt->scrnIndex]);
+ outb(pInt->ioBase + 0x0102, vga->save_pos102);
+#ifndef __ia64__
+ outb(pInt->ioBase + 0x46E8, vga->save_46e8);
+#endif
+ outb(pInt->ioBase + 0x03C3, vga->save_vse);
+ outb(pInt->ioBase + 0x03C2, vga->save_msr);
+ xf86SetCurrentAccess(TRUE, xf86Screens[pInt->scrnIndex]);
+}
+
+#if defined (_PC)
+static void
+SetResetBIOSVars(xf86Int10InfoPtr pInt, Bool set)
+{
+ int pagesize = getpagesize();
+ unsigned char* base = xf86MapVidMem(pInt->scrnIndex,
+ VIDMEM_MMIO, 0, pagesize);
+ int i;
+
+ if (set) {
+ for (i = BIOS_SCRATCH_OFF; i < BIOS_SCRATCH_END; i++)
+ MEM_WW(pInt, i, *(base + i));
+ } else {
+ for (i = BIOS_SCRATCH_OFF; i < BIOS_SCRATCH_END; i++)
+ *(base + i) = MEM_RW(pInt, i);
+ }
+
+ xf86UnMapVidMem(pInt->scrnIndex,base,pagesize);
}
void
-UnlockLegacyVGA(int screenIndex, legacyVGAPtr vga)
+xf86Int10SaveRestoreBIOSVars(xf86Int10InfoPtr pInt, Bool save)
{
- 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]);
+ int pagesize = getpagesize();
+ unsigned char* base;
+ int i;
+
+ if (!xf86IsEntityPrimary(pInt->entityIndex)
+ || (!save && !pInt->BIOSScratch))
+ return;
+
+ base = xf86MapVidMem(pInt->scrnIndex, VIDMEM_MMIO, 0, pagesize);
+ base += BIOS_SCRATCH_OFF;
+ if (save) {
+ if ((pInt->BIOSScratch
+ = xnfalloc(BIOS_SCRATCH_LEN)))
+ for (i = 0; i < BIOS_SCRATCH_LEN; i++)
+ *(((char*)pInt->BIOSScratch + i)) = *(base + i);
+ } else {
+ if (pInt->BIOSScratch) {
+ for (i = 0; i < BIOS_SCRATCH_LEN; i++)
+ *(base + i) = *(pInt->BIOSScratch + i);
+ xfree(pInt->BIOSScratch);
+ pInt->BIOSScratch = NULL;
+ }
+ }
+
+ xf86UnMapVidMem(pInt->scrnIndex,base - BIOS_SCRATCH_OFF ,pagesize);
}
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 03:26:10 +0000