/*
* This isn't nice, but there are a lot of incompatibilities in the U-Boot and scitech include
* files that this is the only really workable solution.
- * Might be cleaned out later.
+ * Might be cleaned out later.
*/
#ifdef DEBUG
#define EMULATOR_BIOS_OFFSET 0xC0000
#define EMULATOR_STRAP_OFFSET 0x30000
#define EMULATOR_STACK_OFFSET 0x20000
-#define EMULATOR_LOGO_OFFSET 0x40000 // If you change this, change the strap code, too
+#define EMULATOR_LOGO_OFFSET 0x40000 /* If you change this, change the strap code, too */
#define VIDEO_BASE (void *)0xFD0B8000
extern char *getenv(char *);
char c = 0;
buffer[0] = 0;
- if (getenv("x86_runthru")) return; //FIXME:
+ if (getenv("x86_runthru")) return; /*FIXME: */
while (c != 0x0D && c != 0x0A)
{
while (!tstc());
int dolog(int port)
{
- if (log_init && log_do)
+ if (log_init && log_do)
{
if (log_low && port > 0x400) return 0;
return 1;
log_init = 1;
log_do = (getenv("x86_logio") != (char *)0);
log_low = (getenv("x86_loglow") != (char *)0);
- if (log_do)
+ if (log_do)
{
if (log_low && port > 0x400) return 0;
return 1;
return 0;
}
-// Converts an emulator address to a physical address.
-// Handles all special cases (bios date, model etc), and might need work
+/* Converts an emulator address to a physical address. */
+/* Handles all special cases (bios date, model etc), and might need work */
u32 memaddr(u32 addr)
{
-// if (addr >= 0xF0000 && addr < 0xFFFFF) printf("WARNING: Segment F access (0x%x)\n", addr);
-// printf("MemAddr=%p\n", addr);
+/* if (addr >= 0xF0000 && addr < 0xFFFFF) printf("WARNING: Segment F access (0x%x)\n", addr); */
+/* printf("MemAddr=%p\n", addr); */
if (addr >= 0xA0000 && addr < 0xC0000)
return 0xFD000000 + addr;
else if (addr >= 0xFFFF5 && addr < 0xFFFFE)
return (u32)&submodel;
else if (addr >= 0x80000000)
{
- //printf("Warning: High memory access at 0x%x\n", addr);
+ /*printf("Warning: High memory access at 0x%x\n", addr); */
return addr;
}
else
write_long_little((ULONG *)memaddr(addr), val);
}
-X86EMU_memFuncs _A1_mem =
+X86EMU_memFuncs _A1_mem =
{
A1_rdb,
A1_rdw,
u8 A1_inb(int port)
{
u8 a;
- //if (port == 0x3BA) return 0;
+ /*if (port == 0x3BA) return 0; */
a = in_byte(port);
LOGIO(port, "inb: %Xh -> %d (%Xh)\n", port, a, a);
return a;
out_long(port, val);
}
-X86EMU_pioFuncs _A1_pio =
+X86EMU_pioFuncs _A1_pio =
{
A1_inb,
A1_inw,
x86emu_optab[i] -= delta;
x86emu_optab2[i] -= delta;
}
-
+
_A1_mem.rdb = A1_rdb;
_A1_mem.rdw = A1_rdw;
_A1_mem.rdl = A1_rdl;
_A1_pio.outb = A1_outb;
_A1_pio.outw = A1_outw;
_A1_pio.outl = A1_outl;
-
+
tables_relocate(delta);
}
unsigned char more_strap[] = {
- 0xb4, 0x0, 0xb0, 0x2, 0xcd, 0x10,
+ 0xb4, 0x0, 0xb0, 0x2, 0xcd, 0x10,
};
-#define MORE_STRAP_BYTES 6 // Additional bytes of strap code
+#define MORE_STRAP_BYTES 6 /* Additional bytes of strap code */
unsigned char *done_msg="VGA Initialized\0";
PRINTF("Attempting to run emulator on %02x:%02x:%02x\n",
PCI_BUS(gr_dev), PCI_DEV(gr_dev), PCI_FUNC(gr_dev));
- // Enable compatibility hole for emulator access to frame buffer
+ /* Enable compatibility hole for emulator access to frame buffer */
PRINTF("Enabling compatibility hole\n");
enable_compatibility_hole();
- // Allocate memory
- // FIXME: We shouldn't use this much memory really.
+ /* Allocate memory */
+ /* FIXME: We shouldn't use this much memory really. */
memset(&M, 0, sizeof(X86EMU_sysEnv));
M.mem_base = malloc(EMULATOR_MEM_SIZE);
M.mem_size = EMULATOR_MEM_SIZE;
{
easteregg_active = 1;
}
-
+
if (easteregg_active)
{
- // Yay!
+ /* Yay! */
setenv("x86_mode", "1");
setenv("vga_fg_color", "11");
setenv("vga_bg_color", "1");
}
}
- /*
+ /*
* Poke the strap routine. This might need a bit of extending
- * if there is a mode switch involved, i.e. we want to int10
+ * if there is a mode switch involved, i.e. we want to int10
* afterwards to set a different graphics mode, or alternatively
* there might be a different start address requirement if the
* ROM doesn't have an x86 image in its first image.
PRINTF("Poking strap...\n");
- // FAR CALL c000:0003
+ /* FAR CALL c000:0003 */
*strap++ = 0x9A; *strap++ = 0x03; *strap++ = 0x00;
- *strap++ = 0x00; *strap++ = 0xC0;
+ *strap++ = 0x00; *strap++ = 0xC0;
#if 1
- // insert additional strap code
+ /* insert additional strap code */
for (i=0; i < MORE_STRAP_BYTES; i++)
{
*strap++ = more_strap[i];
}
#endif
- // HALT
- *strap++ = 0xF4;
+ /* HALT */
+ *strap++ = 0xF4;
PRINTF("Setting up logo data\n");
logo = (unsigned char *)M.mem_base + EMULATOR_LOGO_OFFSET;
* must contain the devfn, encoded as (dev<<3)|fn
*/
- // Execution starts here
- M.x86.R_CS = SEG(EMULATOR_STRAP_OFFSET);
- M.x86.R_IP = OFF(EMULATOR_STRAP_OFFSET);
+ /* Execution starts here */
+ M.x86.R_CS = SEG(EMULATOR_STRAP_OFFSET);
+ M.x86.R_IP = OFF(EMULATOR_STRAP_OFFSET);
- // Stack at top of ram
+ /* Stack at top of ram */
M.x86.R_SS = SEG(EMULATOR_STACK_OFFSET);
M.x86.R_SP = OFF(EMULATOR_STACK_OFFSET);
- // Input parameters
+ /* Input parameters */
M.x86.R_AH = PCI_BUS(gr_dev);
M.x86.R_AL = (PCI_DEV(gr_dev)<<3) | PCI_FUNC(gr_dev);
- // Set the I/O and memory access functions
+ /* Set the I/O and memory access functions */
X86EMU_setupMemFuncs(&_A1_mem);
X86EMU_setupPioFuncs(&_A1_pio);
- // Enable timer 2
- cfg = in_byte(0x61); // Get Misc control
- cfg |= 0x01; // Enable timer 2
- out_byte(0x61, cfg); // output again
+ /* Enable timer 2 */
+ cfg = in_byte(0x61); /* Get Misc control */
+ cfg |= 0x01; /* Enable timer 2 */
+ out_byte(0x61, cfg); /* output again */
- // Set up the timers
+ /* Set up the timers */
out_byte(0x43, 0x54);
out_byte(0x41, 0x18);
out_byte(0x42, 0x31);
out_byte(0x42, 0x13);
- // Init the "BIOS".
+ /* Init the "BIOS". */
bios_init();
- // Video Card Reset
+ /* Video Card Reset */
out_byte(0x3D8, 0);
out_byte(0x3B8, 1);
(void)in_byte(0x3BA);
}
#endif
- // Ready set go...
+ /* Ready set go... */
PRINTF("Running emulator\n");
X86EMU_exec();
PRINTF("Done running emulator\n");
if (pal_reset && strcmp(pal_reset, "on") == 0)
{
PRINTF("Palette reset\n");
- //(void)in_byte(0x3da);
- //out_byte(0x3c0, 0);
+ /*(void)in_byte(0x3da); */
+ /*out_byte(0x3c0, 0); */
out_byte(0x3C8, 0);
out_byte(0x3C9, 0);
if (getenv("x86_do_inout")) do_inout();
#endif
-//FIXME: dcache_disable();
+/*FIXME: dcache_disable(); */
return 1;
}
-// Clean up the x86 mess
+/* Clean up the x86 mess */
void shutdown_bios(void)
{
-// disable_compatibility_hole();
- // Free the memory associated
+/* disable_compatibility_hole(); */
+ /* Free the memory associated */
free(M.mem_base);
}
int base = 0;
int res = 0;
- if (*buffer == '$')
+ if (*buffer == '$')
{
base = 16;
buffer++;
case 'b':
res *= base;
res += 11;
- break;
+ break;
case 'C':
case 'c':
res *= base;
res += 12;
- break;
+ break;
case 'D':
case 'd':
res *= base;
res += 13;
- break;
+ break;
case 'E':
case 'e':
res *= base;
res += 14;
- break;
+ break;
case 'F':
case 'f':
res *= base;
res += 15;
- break;
+ break;
default:
return res;
}
projects / people / ms / u-boot.git / blobdiff