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kopenbsd serial support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-01-19 14:29:02 +01:00
parent 5b512173a3
commit b5b6745c87
2 changed files with 58 additions and 0 deletions
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10
include/grub/i386/openbsd_bootarg.h
View file

@ -61,6 +61,7 @@
#define OPENBSD_BOOTARG_END -1
#define OPENBSD_BOOTARG_MMAP 0
#define OPENBSD_BOOTARG_CONSOLE 5
struct grub_openbsd_bootargs
{
@ -69,4 +70,13 @@ struct grub_openbsd_bootargs
grub_uint32_t ba_next;
} __attribute__ ((packed));
struct grub_openbsd_bootarg_console
{
grub_uint32_t device;
grub_uint32_t speed;
};
#define GRUB_OPENBSD_COM_MAJOR 8
#define GRUB_OPENBSD_VGA_MAJOR 12
#endif

48
loader/i386/bsd.c
View file

@ -126,6 +126,8 @@ static const struct grub_arg_option openbsd_opts[] =
{"single", 's', 0, N_("Boot into single mode."), 0, 0},
{"kdb", 'd', 0, N_("Enter in KDB on boot."), 0, 0},
{"root", 'r', 0, N_("Set root device."), "wdXY", ARG_TYPE_STRING},
{"serial", 'h', GRUB_ARG_OPTION_OPTIONAL,
N_("Use serial console."), N_("comUNIT[,SPEED]"), ARG_TYPE_STRING},
{0, 0, 0, 0, 0, 0}
};
@ -136,6 +138,7 @@ static const grub_uint32_t openbsd_flags[] =
};
#define OPENBSD_ROOT_ARG (ARRAY_SIZE (openbsd_flags) - 1)
#define OPENBSD_SERIAL_ARG (ARRAY_SIZE (openbsd_flags))
static const struct grub_arg_option netbsd_opts[] =
{
@ -1410,6 +1413,51 @@ grub_cmd_openbsd (grub_extcmd_t cmd, int argc, char *argv[])
else
bootdev = 0;
if (cmd->state[OPENBSD_SERIAL_ARG].set)
{
struct grub_openbsd_bootarg_console serial;
char *ptr;
unsigned port = 0;
unsigned speed = 9600;
grub_memset (&serial, 0, sizeof (serial));
if (cmd->state[OPENBSD_SERIAL_ARG].arg)
{
ptr = cmd->state[OPENBSD_SERIAL_ARG].arg;
if (grub_memcmp (ptr, "com", sizeof ("com") - 1) != 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"only com0-com3 are supported");
ptr += sizeof ("com") - 1;
port = grub_strtoul (ptr, &ptr, 0);
if (port >= 4)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"only com0-com3 are supported");
if (*ptr == ',')
{
ptr++;
speed = grub_strtoul (ptr, &ptr, 0);
if (grub_errno)
return grub_errno;
}
}
serial.device = (GRUB_OPENBSD_COM_MAJOR << 8) | port;
serial.speed = speed;
grub_bsd_add_meta (OPENBSD_BOOTARG_CONSOLE, &serial, sizeof (serial));
bootflags |= OPENBSD_RB_SERCONS;
}
else
{
struct grub_openbsd_bootarg_console serial;
grub_memset (&serial, 0, sizeof (serial));
serial.device = (GRUB_OPENBSD_VGA_MAJOR << 8);
grub_bsd_add_meta (OPENBSD_BOOTARG_CONSOLE, &serial, sizeof (serial));
bootflags &= ~OPENBSD_RB_SERCONS;
}
if (grub_bsd_load (argc, argv) == GRUB_ERR_NONE)
{
grub_loader_set (grub_openbsd_boot, grub_bsd_unload, 1);