Commit 52ca8d6a authored by Fabrice Bellard's avatar Fabrice Bellard
Browse files

-no-fd-bootchk option (Lonnie Mendez) 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1976 c046a42c-6fe2-441c-8c8c-71466251a162
parent 5cbfcd00

hw/pc.c

+2 −4
Original line number Diff line number Diff line
@@ -193,6 +193,8 @@ static void cmos_init(int ram_size, int boot_device, BlockDriverState **hd_table 
    case 'a':

    case 'b':

        rtc_set_memory(s, 0x3d, 0x01); /* floppy boot */

        if (!fd_bootchk)

            rtc_set_memory(s, 0x38, 0x01); /* disable signature check */

        break;

    default:

    case 'c':
@@ -264,10 +266,6 @@ static void cmos_init(int ram_size, int boot_device, BlockDriverState **hd_table 
        }

    }

    rtc_set_memory(s, 0x39, val);



    /* Disable check of 0x55AA signature on the last two bytes of

       first sector of disk. XXX: make it the default ? */

    //    rtc_set_memory(s, 0x38, 1);

}



void ioport_set_a20(int enable)

qemu-doc.texi

+4 −0
Original line number Diff line number Diff line
@@ -228,6 +228,10 @@ Write to temporary files instead of disk image files. In this case, 
the raw disk image you use is not written back. You can however force

the write back by pressing @key{C-a s} (@pxref{disk_images}). 



@item -no-fd-bootchk

Disable boot signature checking for floppy disks in Bochs BIOS. It may

be needed to boot from old floppy disks.



@item -m megs

Set virtual RAM size to @var{megs} megabytes. Default is 128 MB.

vl.c

+15 −0
Original line number Diff line number Diff line
@@ -159,6 +159,7 @@ int vnc_display = -1; 
#define MAX_CPUS 1

#endif

int acpi_enabled = 1;

int fd_bootchk = 1;



/***********************************************************/

/* x86 ISA bus support */
@@ -4634,6 +4635,9 @@ void help(void) 
           "-cdrom file     use 'file' as IDE cdrom image (cdrom is ide1 master)\n"

           "-boot [a|c|d]   boot on floppy (a), hard disk (c) or CD-ROM (d)\n"

	   "-snapshot       write to temporary files instead of disk image files\n"

#ifdef TARGET_I386

           "-no-fd-bootchk  disable boot signature checking for floppy disks\n"

#endif

           "-m megs         set virtual RAM size to megs MB [default=%d]\n"

           "-smp n          set the number of CPUs to 'n' [default=1]\n"

           "-nographic      disable graphical output and redirect serial I/Os to console\n"
@@ -4765,6 +4769,9 @@ enum { 
    QEMU_OPTION_cdrom,

    QEMU_OPTION_boot,

    QEMU_OPTION_snapshot,

#ifdef TARGET_I386

    QEMU_OPTION_no_fd_bootchk,

#endif

    QEMU_OPTION_m,

    QEMU_OPTION_nographic,

#ifdef HAS_AUDIO
@@ -4828,6 +4835,9 @@ const QEMUOption qemu_options[] = { 
    { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },

    { "boot", HAS_ARG, QEMU_OPTION_boot },

    { "snapshot", 0, QEMU_OPTION_snapshot },

#ifdef TARGET_I386

    { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },

#endif

    { "m", HAS_ARG, QEMU_OPTION_m },

    { "nographic", 0, QEMU_OPTION_nographic },

    { "k", HAS_ARG, QEMU_OPTION_k },
@@ -5286,6 +5296,11 @@ int main(int argc, char **argv) 
            case QEMU_OPTION_fdb:

                fd_filename[1] = optarg;

                break;

#ifdef TARGET_I386

            case QEMU_OPTION_no_fd_bootchk:

                fd_bootchk = 0;

                break;

#endif

            case QEMU_OPTION_no_code_copy:

                code_copy_enabled = 0;

                break;

vl.h

+1 −0
Original line number Diff line number Diff line
@@ -889,6 +889,7 @@ void acpi_bios_init(void); 
/* pc.c */

extern QEMUMachine pc_machine;

extern QEMUMachine isapc_machine;

extern int fd_bootchk;



void ioport_set_a20(int enable);

int ioport_get_a20(void);