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-rw-r--r--util/vgabios/testbios.c249
1 files changed, 120 insertions, 129 deletions
diff --git a/util/vgabios/testbios.c b/util/vgabios/testbios.c
index 8c9783f07e..f760b08d88 100644
--- a/util/vgabios/testbios.c
+++ b/util/vgabios/testbios.c
@@ -1,3 +1,18 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc
+ *
+ * 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.
+ */
+
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@@ -7,75 +22,28 @@
#include <getopt.h>
#include <string.h>
#include <stdarg.h>
-
#include <stdtypes.h>
#define die(x) { perror(x); exit(1); }
#define warn(x) { perror(x); }
#include <x86emu/x86emu.h>
#include <console/console.h>
-#include "helper_exec.h"
+#include <arch/byteorder.h>
+#include "device.h"
+
#include "testbios.h"
#include "pci-userspace.h"
int X86EMU_set_debug(int debug);
-unsigned short get_device(char *arg_val);
+
+biosemu_device_t bios_device;
extern int teststart, testend;
-_ptr p;
-ptr current = 0;
-unsigned char biosmem[1024 * 1024];
+#define BIOSMEM_SIZE (1024 * 1024)
+unsigned char biosmem[BIOSMEM_SIZE];
int verbose = 0;
-
-/* Interrupt multiplexer */
-
-static void do_int(int num)
-{
- int ret = 0;
-
- printf("int%x vector at %x\n", num, getIntVect(num));
-
- /* This is a pInt leftover */
- current->num = num;
-
- switch (num) {
-#ifndef _PC
- case 0x10:
- case 0x42:
- case 0x6D:
-
- if (getIntVect(num) == 0xFF065) {
- ret = int42_handler();
- }
- break;
-#endif
- case 0x15:
- ret = int15_handler();
- break;
- case 0x16:
- ret = int16_handler();
- break;
- case 0x1A:
- ret = int1A_handler();
- break;
- case 0xe6:
- ret = intE6_handler();
- break;
- default:
- break;
- }
-
- if (!ret)
- ret = run_bios_int(num);
-
- if (!ret) {
- printf("\nint%x: not implemented\n", num);
- //x86emu_dump_xregs();
- }
-}
-
static unsigned char *mapitin(char *file, off_t where, size_t size)
{
void *z;
@@ -90,14 +58,57 @@ static unsigned char *mapitin(char *file, off_t where, size_t size)
close(fd);
return z;
+}
+
+static unsigned short get_device(char *arg_val)
+{
+ unsigned short devfn=0;
+ long bus=0,dev=0,fn=0,need_pack=0;
+ char *tok;
+
+ tok = strsep(&arg_val,":");
+ if (arg_val != NULL) {
+ bus = strtol(tok,0,16);
+ need_pack = 1;
+ }
+ else {
+ arg_val = tok;
+ }
+
+ tok = strsep(&arg_val,".");
+ if (arg_val != NULL) {
+ dev = strtol(tok,0,16);
+ fn = strtol(arg_val,0,16);
+ need_pack = 1;
+ }
+ else {
+ if (need_pack ==1 && (strlen(tok))) {
+ dev = strtol(tok,0,16);
+ }
+ }
+ if ( need_pack == 1) {
+ devfn = bus<<8 | (dev<<3) | fn;
+ }
+ else {
+ devfn = strtol(tok, 0, 0);
+ }
+
+ return devfn;
}
-X86EMU_pioFuncs myfuncs = {
- x_inb, x_inw, x_inl,
- x_outb, x_outw, x_outl
-};
+int printk(int msg_level, const char *fmt, ...)
+{
+ va_list args;
+ int i;
+ printf ("<%d> ", msg_level);
+ va_start(args, fmt);
+ i = vprintf(fmt, args);
+ va_end(args);
+
+ return i;
+}
static void usage(char *name)
{
@@ -106,11 +117,24 @@ static void usage(char *name)
name);
}
+/* main entry into YABEL biosemu, arguments are:
+ * *biosmem = pointer to virtual memory
+ * biosmem_size = size of the virtual memory
+ * *dev = pointer to the device to be initialised
+ * rom_addr = address of the OptionROM to be executed, if this is = 0, YABEL
+ * will look for an ExpansionROM BAR and use the code from there.
+ */
+u32
+biosemu(u8 *biosmem, u32 biosmem_size, struct device * dev, unsigned long
+ rom_addr);
+
+
int main(int argc, char **argv)
{
+ int ret;
char *absegname = 0;
void *abseg = 0;
- int i, c, trace = 0;
+ int c, trace = 0;
unsigned char *cp;
char *filename;
ssize_t size = 0;
@@ -118,12 +142,14 @@ int main(int argc, char **argv)
int have_size = 0, have_base = 0, have_ip = 0, have_cs = 0;
int have_devfn = 0;
int parse_rom = 0;
- char *fsegname = 0;
- unsigned char *fsegptr;
+ //char *fsegname = 0;
+ //unsigned char *fsegptr;
unsigned short initialip = 0, initialcs = 0, devfn = 0;
- X86EMU_intrFuncs intFuncs[256];
+ //X86EMU_intrFuncs intFuncs[256];
int debugflag = 0;
+ struct device *dev;
+ //const char *optstring = "vh?b:i:c:s:tpd:";
const char *optstring = "vh?b:i:c:s:tpd:";
while (1) {
int option_index = 0;
@@ -132,7 +158,7 @@ int main(int argc, char **argv)
{"help", 0, 0, 'h'},
{"trace", 0, 0, 't'},
{"base", 1, 0, 'b'},
- {"fseg", 1, 0, 'f'},
+ //{"fseg", 1, 0, 'f'},
{"instructionpointer", 1, 0, 'i'},
{"codesegment", 1, 0, 'c'},
{"absegment", 1, 0, 'a'},
@@ -156,10 +182,10 @@ int main(int argc, char **argv)
case 't':
trace = 1;
break;
- case 'b':
- base = strtol(optarg, 0, 0);
- have_base = 1;
- break;
+ //case 'b':
+ // base = strtol(optarg, 0, 0);
+ // have_base = 1;
+ // break;
case 'i':
initialip = strtol(optarg, 0, 0);
have_ip = 1;
@@ -175,9 +201,9 @@ int main(int argc, char **argv)
case 'p':
parse_rom = 1;
break;
- case 'f':
- fsegname = optarg;
- break;
+ // case 'f':
+ // fsegname = optarg;
+ // break;
case 'a':
absegname = optarg;
break;
@@ -220,10 +246,10 @@ int main(int argc, char **argv)
printf("No base specified. defaulting to 0xc0000\n");
base = 0xc0000;
}
- if (!have_cs) {
- printf("No initial code segment specified. defaulting to 0xc000\n");
- initialcs = 0xc000;
- }
+ //if (!have_cs) {
+ // printf("No initial code segment specified. defaulting to 0xc000\n");
+ // initialcs = 0xc000;
+ //}
if (!have_ip) {
printf
("No initial instruction pointer specified. defaulting to 0x0003\n");
@@ -234,7 +260,7 @@ int main(int argc, char **argv)
printf("Parsing rom images not implemented.\n");
//printf("Point 1 int%x vector at %x\n", 0x42, getIntVect(0x42));
-
+#if 0
if (initialip == 0x0003) {
if ((devfn == 0) || (have_devfn == 0)) {
printf("WARNING! It appears you are trying to run an option ROM.\n");
@@ -250,6 +276,7 @@ int main(int argc, char **argv)
}
}
}
+#endif
if (absegname) {
abseg = mapitin(absegname, (off_t) 0xa0000, 0x20000);
@@ -257,10 +284,6 @@ int main(int argc, char **argv)
die(absegname);
}
- current = &p;
- X86EMU_setMemBase(biosmem, sizeof(biosmem));
- M.abseg = (unsigned long)abseg;
- X86EMU_setupPioFuncs(&myfuncs);
ioperm(0, 0x400, 1);
if (iopl(3) < 0) {
@@ -275,17 +298,20 @@ int main(int argc, char **argv)
* basically this means initializing PCI and
* intXX handlers.
*/
- pciInit();
+ pci_initialize();
+#if 0
for (i = 0; i < 256; i++)
intFuncs[i] = do_int;
X86EMU_setupIntrFuncs(intFuncs);
+#endif
cp = mapitin(filename, (off_t) 0, size);
if (devfn) {
printf("Loading ax with BusDevFn = %x\n",devfn);
}
+#if 0
current->ax = devfn ? devfn : 0xff;
current->dx = 0x80;
// current->ip = 0;
@@ -322,68 +348,33 @@ int main(int argc, char **argv)
pushw(X86_SP + 2);
X86_ES = 0x0000;
+#endif
if (trace) {
printf("Switching to single step mode.\n");
//X86EMU_trace_on();
}
if (debugflag) {
+ printf("Enable Debug = %x.\n",debugflag);
//X86EMU_set_debug(debugflag);
}
+#if 0
X86EMU_exec();
- /* Cleaning up */
- pciExit();
-
- return 0;
-}
+#endif
-unsigned short get_device(char *arg_val)
-{
- unsigned short devfn=0;
- long bus=0,dev=0,fn=0,need_pack=0;
- char *tok;
+ ret = biosemu(biosmem, BIOSMEM_SIZE, dev, base);
- tok = strsep(&arg_val,":");
- if (arg_val != NULL) {
- bus = strtol(tok,0,16);
- need_pack = 1;
- }
- else {
- arg_val = tok;
- }
-
- tok = strsep(&arg_val,".");
- if (arg_val != NULL) {
- dev = strtol(tok,0,16);
- fn = strtol(arg_val,0,16);
- need_pack = 1;
- }
- else {
- if (need_pack ==1 && (strlen(tok))) {
- dev = strtol(tok,0,16);
- }
- }
-
- if ( need_pack == 1) {
- devfn = bus<<8 | (dev<<3) | fn;
- }
- else {
- devfn = strtol(tok, 0, 0);
- }
+#if 0
+ current = &p;
+ X86EMU_setMemBase(biosmem, sizeof(biosmem));
+ M.abseg = (unsigned long)abseg;
+ X86EMU_setupPioFuncs(&myfuncs);
+#endif
+ /* Cleaning up */
+ pci_exit();
- return devfn;
+ return 0;
}
-int printk(int msg_level, const char *fmt, ...)
-{
- va_list args;
- int i;
-
- printf ("<%d> ", msg_level);
- va_start(args, fmt);
- i = vprintf(fmt, args);
- va_end(args);
- return i;
-}
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