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pc: Drop practically unused BOCHS BIOS debug ports 

We have debugcon these days to listen on those ports that receive debug
messages. Also drop the others that have no effect anymore.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2012-09-11 16:38:25 +02:00 committed by Anthony Liguori
parent 8490fc78e7
commit ed0ec1aa85
1 changed files with 0 additions and 27 deletions
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27
hw/pc.c
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@ -53,9 +53,6 @@
#include "bitmap.h"
#include "vga-pci.h"
/* output Bochs bios info messages */
//#define DEBUG_BIOS
/* debug PC/ISA interrupts */
//#define DEBUG_IRQ
@ -534,17 +531,6 @@ static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
static int shutdown_index = 0;
switch(addr) {
/* Bochs BIOS messages */
case 0x400:
case 0x401:
/* used to be panic, now unused */
break;
case 0x402:
case 0x403:
#ifdef DEBUG_BIOS
fprintf(stderr, "%c", val);
#endif
break;
case 0x8900:
/* same as Bochs power off */
if (val == shutdown_str[shutdown_index]) {
@ -558,16 +544,9 @@ static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
}
break;
/* LGPL'ed VGA BIOS messages */
case 0x501:
case 0x502:
exit((val << 1) | 1);
case 0x500:
case 0x503:
#ifdef DEBUG_BIOS
fprintf(stderr, "%c", val);
#endif
break;
}
}
@ -596,17 +575,11 @@ static void *bochs_bios_init(void)
uint64_t *numa_fw_cfg;
int i, j;
register_ioport_write(0x400, 1, 2, bochs_bios_write, NULL);
register_ioport_write(0x401, 1, 2, bochs_bios_write, NULL);
register_ioport_write(0x402, 1, 1, bochs_bios_write, NULL);
register_ioport_write(0x403, 1, 1, bochs_bios_write, NULL);
register_ioport_write(0x8900, 1, 1, bochs_bios_write, NULL);
register_ioport_write(0x501, 1, 1, bochs_bios_write, NULL);
register_ioport_write(0x501, 1, 2, bochs_bios_write, NULL);
register_ioport_write(0x502, 1, 2, bochs_bios_write, NULL);
register_ioport_write(0x500, 1, 1, bochs_bios_write, NULL);
register_ioport_write(0x503, 1, 1, bochs_bios_write, NULL);
fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);