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2008-08-06 Bean <bean123ch@gmail.com>

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* fs/i386/pc/pxe.c (curr_file): new variable.
	(grub_pxefs_open): Simply the handling of pxe file system. Don't
	require the dummy internal file system anymore.
	(grub_pxefs_read): Removed.
	(grub_pxefs_close): Likewise.
	(grub_pxefs_fs_int): Likewise.
	(grub_pxefs_read_int): Renamed to grub_pxefs_read. Reinitialize tftp
	connection when we switch file.
	(grub_pxefs_close_int): Renamed to grub_pxefs_close.
This commit is contained in:
bean 2008-08-06 04:05:12 +00:00
parent a55d42e0e0
commit 9f0234cb9a
2 changed files with 22 additions and 36 deletions
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14
ChangeLog
View file

@ -1,3 +1,15 @@
2008-08-06 Bean <bean123ch@gmail.com>
* fs/i386/pc/pxe.c (curr_file): new variable.
(grub_pxefs_open): Simply the handling of pxe file system. Don't
require the dummy internal file system anymore.
(grub_pxefs_read): Removed.
(grub_pxefs_close): Likewise.
(grub_pxefs_fs_int): Likewise.
(grub_pxefs_read_int): Renamed to grub_pxefs_read. Reinitialize tftp
connection when we switch file.
(grub_pxefs_close_int): Renamed to grub_pxefs_close.
2008-08-06 Robert Millan <rmh@aybabtu.com>
* conf/i386-coreboot.rmk (pkglib_MODULES): Add `reboot.mod' and
@ -63,7 +75,7 @@
* commands/i386/pc/pxecmd.c: New file.
* disk/i386/pc/pxe.c: Likewise.
* fs/i386/pc/pxe.c: Likewise.
* include/grub/i386/pc/pxe.h: Likewise.

44
fs/i386/pc/pxe.c
View file

@ -39,6 +39,8 @@ grub_uint32_t grub_pxe_server_ip;
grub_uint32_t grub_pxe_gateway_ip;
int grub_pxe_blksize = GRUB_PXE_MIN_BLKSIZE;
static grub_file_t curr_file = 0;
struct grub_pxe_data
{
grub_uint32_t packet_number;
@ -153,12 +155,9 @@ grub_pxefs_open (struct grub_file *file, const char *name)
return grub_errno;
}
file_int->data = data;
file_int->offset = 0;
file_int->device = 0;
file_int->size = file->size;
file_int->read_hook = 0;
file_int->fs = &grub_pxefs_fs_int;
file->data = data;
grub_memcpy (file_int, file, sizeof (struct grub_file));
curr_file = file_int;
bufio = grub_bufio_open (file_int, grub_pxe_blksize);
if (! bufio)
@ -168,32 +167,13 @@ grub_pxefs_open (struct grub_file *file, const char *name)
return grub_errno;
}
file->data = bufio;
grub_memcpy (file, bufio, sizeof (struct grub_file));
return GRUB_ERR_NONE;
}
static grub_ssize_t
grub_pxefs_read (grub_file_t file, char *buf, grub_size_t len)
{
grub_file_t bufio;
bufio = file->data;
bufio->offset = file->offset;
return bufio->fs->read (bufio, buf, len);
}
static grub_ssize_t
grub_pxefs_close (grub_file_t file)
{
grub_file_close ((grub_file_t) file->data);
return grub_errno;
}
static grub_ssize_t
grub_pxefs_read_int (grub_file_t file, char *buf, grub_size_t len)
{
struct grub_pxenv_tftp_read c;
struct grub_pxe_data *data;
@ -206,7 +186,7 @@ grub_pxefs_read_int (grub_file_t file, char *buf, grub_size_t len)
return grub_error (GRUB_ERR_BAD_FS,
"read access must be aligned to packet size");
if (data->packet_number > pn)
if ((curr_file != file) || (data->packet_number > pn))
{
struct grub_pxenv_tftp_open o;
@ -221,6 +201,7 @@ grub_pxefs_read_int (grub_file_t file, char *buf, grub_size_t len)
if (o.status)
return grub_error (GRUB_ERR_BAD_FS, "open fails");
data->packet_number = 0;
curr_file = file;
}
c.buffer = SEGOFS (GRUB_MEMORY_MACHINE_SCRATCH_ADDR);
@ -242,7 +223,7 @@ grub_pxefs_read_int (grub_file_t file, char *buf, grub_size_t len)
}
static grub_err_t
grub_pxefs_close_int (grub_file_t file)
grub_pxefs_close (grub_file_t file)
{
struct grub_pxenv_tftp_close c;
@ -271,13 +252,6 @@ static struct grub_fs grub_pxefs_fs =
.next = 0
};
static struct grub_fs grub_pxefs_fs_int =
{
.name = "pxefs",
.read = grub_pxefs_read_int,
.close = grub_pxefs_close_int,
};
static void
grub_pxe_detect (void)
{