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pc: Drop practically unused BOCHS BIOS debug ports

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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);