mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 20:48:49 +08:00
MIPS: Remove addinitrd and CONFIG_PROBE_INITRD_HEADER
Addinitrd has been superseded by initramfs ages ago. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
parent
0e8cccc406
commit
32028f1f7b
@ -2041,15 +2041,6 @@ config STACKTRACE_SUPPORT
|
||||
|
||||
source "init/Kconfig"
|
||||
|
||||
config PROBE_INITRD_HEADER
|
||||
bool "Probe initrd header created by addinitrd"
|
||||
depends on BLK_DEV_INITRD
|
||||
help
|
||||
Probe initrd header at the last page of kernel image.
|
||||
Say Y here if you are using arch/mips/boot/addinitrd.c to
|
||||
add initrd or initramfs image to the kernel image.
|
||||
Otherwise, say N.
|
||||
|
||||
source "kernel/Kconfig.freezer"
|
||||
|
||||
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
|
||||
|
||||
@ -25,7 +25,7 @@ strip-flags = $(addprefix --remove-section=,$(drop-sections))
|
||||
|
||||
VMLINUX = vmlinux
|
||||
|
||||
all: vmlinux.ecoff vmlinux.srec addinitrd
|
||||
all: vmlinux.ecoff vmlinux.srec
|
||||
|
||||
vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX)
|
||||
$(obj)/elf2ecoff $(VMLINUX) vmlinux.ecoff $(E2EFLAGS)
|
||||
@ -39,11 +39,7 @@ vmlinux.bin: $(VMLINUX)
|
||||
vmlinux.srec: $(VMLINUX)
|
||||
$(OBJCOPY) -S -O srec $(strip-flags) $(VMLINUX) $(obj)/vmlinux.srec
|
||||
|
||||
$(obj)/addinitrd: $(obj)/addinitrd.c
|
||||
$(HOSTCC) -o $@ $^
|
||||
|
||||
clean-files += addinitrd \
|
||||
elf2ecoff \
|
||||
clean-files += elf2ecoff \
|
||||
vmlinux.bin \
|
||||
vmlinux.ecoff \
|
||||
vmlinux.srec
|
||||
|
||||
@ -1,131 +0,0 @@
|
||||
/*
|
||||
* addinitrd - program to add a initrd image to an ecoff kernel
|
||||
*
|
||||
* (C) 1999 Thomas Bogendoerfer
|
||||
* minor modifications, cleanup: Guido Guenther <agx@sigxcpu.org>
|
||||
* further cleanup: Maciej W. Rozycki
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <netinet/in.h>
|
||||
|
||||
#include "ecoff.h"
|
||||
|
||||
#define MIPS_PAGE_SIZE 4096
|
||||
#define MIPS_PAGE_MASK (MIPS_PAGE_SIZE-1)
|
||||
|
||||
#define swab16(x) \
|
||||
((unsigned short)( \
|
||||
(((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \
|
||||
(((unsigned short)(x) & (unsigned short)0xff00U) >> 8) ))
|
||||
|
||||
#define swab32(x) \
|
||||
((unsigned int)( \
|
||||
(((unsigned int)(x) & (unsigned int)0x000000ffUL) << 24) | \
|
||||
(((unsigned int)(x) & (unsigned int)0x0000ff00UL) << 8) | \
|
||||
(((unsigned int)(x) & (unsigned int)0x00ff0000UL) >> 8) | \
|
||||
(((unsigned int)(x) & (unsigned int)0xff000000UL) >> 24) ))
|
||||
|
||||
#define SWAB(a) (swab ? swab32(a) : (a))
|
||||
|
||||
void die(char *s)
|
||||
{
|
||||
perror(s);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
int fd_vmlinux, fd_initrd, fd_outfile;
|
||||
FILHDR efile;
|
||||
AOUTHDR eaout;
|
||||
SCNHDR esecs[3];
|
||||
struct stat st;
|
||||
char buf[1024];
|
||||
unsigned long loadaddr;
|
||||
unsigned long initrd_header[2];
|
||||
int i, cnt;
|
||||
int swab = 0;
|
||||
|
||||
if (argc != 4) {
|
||||
printf("Usage: %s <vmlinux> <initrd> <outfile>\n", argv[0]);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if ((fd_vmlinux = open (argv[1], O_RDONLY)) < 0)
|
||||
die("open vmlinux");
|
||||
if (read (fd_vmlinux, &efile, sizeof efile) != sizeof efile)
|
||||
die("read file header");
|
||||
if (read (fd_vmlinux, &eaout, sizeof eaout) != sizeof eaout)
|
||||
die("read aout header");
|
||||
if (read (fd_vmlinux, esecs, sizeof esecs) != sizeof esecs)
|
||||
die("read section headers");
|
||||
/*
|
||||
* check whether the file is good for us
|
||||
*/
|
||||
/* TBD */
|
||||
|
||||
/*
|
||||
* check, if we have to swab words
|
||||
*/
|
||||
if (ntohs(0xaa55) == 0xaa55) {
|
||||
if (efile.f_magic == swab16(MIPSELMAGIC))
|
||||
swab = 1;
|
||||
} else {
|
||||
if (efile.f_magic == swab16(MIPSEBMAGIC))
|
||||
swab = 1;
|
||||
}
|
||||
|
||||
/* make sure we have an empty data segment for the initrd */
|
||||
if (eaout.dsize || esecs[1].s_size) {
|
||||
fprintf(stderr, "Data segment not empty. Giving up!\n");
|
||||
exit(1);
|
||||
}
|
||||
if ((fd_initrd = open (argv[2], O_RDONLY)) < 0)
|
||||
die("open initrd");
|
||||
if (fstat (fd_initrd, &st) < 0)
|
||||
die("fstat initrd");
|
||||
loadaddr = ((SWAB(esecs[2].s_vaddr) + SWAB(esecs[2].s_size)
|
||||
+ MIPS_PAGE_SIZE-1) & ~MIPS_PAGE_MASK) - 8;
|
||||
if (loadaddr < (SWAB(esecs[2].s_vaddr) + SWAB(esecs[2].s_size)))
|
||||
loadaddr += MIPS_PAGE_SIZE;
|
||||
initrd_header[0] = SWAB(0x494E5244);
|
||||
initrd_header[1] = SWAB(st.st_size);
|
||||
eaout.dsize = esecs[1].s_size = initrd_header[1] = SWAB(st.st_size+8);
|
||||
eaout.data_start = esecs[1].s_vaddr = esecs[1].s_paddr = SWAB(loadaddr);
|
||||
|
||||
if ((fd_outfile = open (argv[3], O_RDWR|O_CREAT|O_TRUNC, 0666)) < 0)
|
||||
die("open outfile");
|
||||
if (write (fd_outfile, &efile, sizeof efile) != sizeof efile)
|
||||
die("write file header");
|
||||
if (write (fd_outfile, &eaout, sizeof eaout) != sizeof eaout)
|
||||
die("write aout header");
|
||||
if (write (fd_outfile, esecs, sizeof esecs) != sizeof esecs)
|
||||
die("write section headers");
|
||||
/* skip padding */
|
||||
if(lseek(fd_vmlinux, SWAB(esecs[0].s_scnptr), SEEK_SET) == (off_t)-1)
|
||||
die("lseek vmlinux");
|
||||
if(lseek(fd_outfile, SWAB(esecs[0].s_scnptr), SEEK_SET) == (off_t)-1)
|
||||
die("lseek outfile");
|
||||
/* copy text segment */
|
||||
cnt = SWAB(eaout.tsize);
|
||||
while (cnt) {
|
||||
if ((i = read (fd_vmlinux, buf, sizeof buf)) <= 0)
|
||||
die("read vmlinux");
|
||||
if (write (fd_outfile, buf, i) != i)
|
||||
die("write vmlinux");
|
||||
cnt -= i;
|
||||
}
|
||||
if (write (fd_outfile, initrd_header, sizeof initrd_header) != sizeof initrd_header)
|
||||
die("write initrd header");
|
||||
while ((i = read (fd_initrd, buf, sizeof buf)) > 0)
|
||||
if (write (fd_outfile, buf, i) != i)
|
||||
die("write initrd");
|
||||
close(fd_vmlinux);
|
||||
close(fd_initrd);
|
||||
return 0;
|
||||
}
|
||||
@ -265,7 +265,6 @@ CONFIG_DEFAULT_DEADLINE=y
|
||||
# CONFIG_DEFAULT_CFQ is not set
|
||||
# CONFIG_DEFAULT_NOOP is not set
|
||||
CONFIG_DEFAULT_IOSCHED="deadline"
|
||||
CONFIG_PROBE_INITRD_HEADER=y
|
||||
# CONFIG_FREEZER is not set
|
||||
|
||||
#
|
||||
|
||||
@ -269,7 +269,6 @@ CONFIG_DEFAULT_CFQ=y
|
||||
# CONFIG_DEFAULT_NOOP is not set
|
||||
CONFIG_DEFAULT_IOSCHED="cfq"
|
||||
CONFIG_CLASSIC_RCU=y
|
||||
# CONFIG_PROBE_INITRD_HEADER is not set
|
||||
# CONFIG_FREEZER is not set
|
||||
|
||||
#
|
||||
|
||||
@ -284,7 +284,6 @@ CONFIG_DEFAULT_AS=y
|
||||
# CONFIG_DEFAULT_CFQ is not set
|
||||
# CONFIG_DEFAULT_NOOP is not set
|
||||
CONFIG_DEFAULT_IOSCHED="anticipatory"
|
||||
# CONFIG_PROBE_INITRD_HEADER is not set
|
||||
# CONFIG_FREEZER is not set
|
||||
|
||||
#
|
||||
|
||||
@ -166,26 +166,8 @@ static unsigned long __init init_initrd(void)
|
||||
* already set up initrd_start and initrd_end. In these cases
|
||||
* perfom sanity checks and use them if all looks good.
|
||||
*/
|
||||
if (!initrd_start || initrd_end <= initrd_start) {
|
||||
#ifdef CONFIG_PROBE_INITRD_HEADER
|
||||
u32 *initrd_header;
|
||||
|
||||
/*
|
||||
* See if initrd has been added to the kernel image by
|
||||
* arch/mips/boot/addinitrd.c. In that case a header is
|
||||
* prepended to initrd and is made up by 8 bytes. The first
|
||||
* word is a magic number and the second one is the size of
|
||||
* initrd. Initrd start must be page aligned in any cases.
|
||||
*/
|
||||
initrd_header = __va(PAGE_ALIGN(__pa_symbol(&_end) + 8)) - 8;
|
||||
if (initrd_header[0] != 0x494E5244)
|
||||
if (!initrd_start || initrd_end <= initrd_start)
|
||||
goto disable;
|
||||
initrd_start = (unsigned long)(initrd_header + 2);
|
||||
initrd_end = initrd_start + initrd_header[1];
|
||||
#else
|
||||
goto disable;
|
||||
#endif
|
||||
}
|
||||
|
||||
if (initrd_start & ~PAGE_MASK) {
|
||||
pr_err("initrd start must be page aligned\n");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user