Commit ed0ec1aa authored by Jan Kiszka's avatar Jan Kiszka Committed by Anthony Liguori
Browse files

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: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 8490fc78

hw/pc.c

+0 −27
Original line number Diff line number Diff line
@@ -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);