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authorRalf Baechle <ralf@linux-mips.org>2009-12-17 01:57:07 +0000
committerRalf Baechle <ralf@linux-mips.org>2009-12-17 01:57:07 +0000
commit32028f1f7bce32e72183129dc55fc23656e7081c (patch)
tree1ff4b992a66bc3b2dcc097fabc15ae2ce1507057 /arch
parent0e8cccc40665a2943f2bf93b9036579e85a716f4 (diff)
downloadlwn-32028f1f7bce32e72183129dc55fc23656e7081c.tar.gz
lwn-32028f1f7bce32e72183129dc55fc23656e7081c.zip
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Addinitrd has been superseded by initramfs ages ago.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>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/Kconfig9
-rw-r--r--arch/mips/boot/Makefile8
-rw-r--r--arch/mips/boot/addinitrd.c131
-rw-r--r--arch/mips/configs/ar7_defconfig1
-rw-r--r--arch/mips/configs/cavium-octeon_defconfig1
-rw-r--r--arch/mips/configs/rbtx49xx_defconfig1
-rw-r--r--arch/mips/kernel/setup.c20
7 files changed, 3 insertions, 168 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 20b223ba654d..a16b6dfe3bc3 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -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)"
diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile
index 2a209d74f0b4..094bc84765a3 100644
--- a/arch/mips/boot/Makefile
+++ b/arch/mips/boot/Makefile
@@ -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
diff --git a/arch/mips/boot/addinitrd.c b/arch/mips/boot/addinitrd.c
deleted file mode 100644
index b5b3febc10cc..000000000000
--- a/arch/mips/boot/addinitrd.c
+++ /dev/null
@@ -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;
-}
diff --git a/arch/mips/configs/ar7_defconfig b/arch/mips/configs/ar7_defconfig
index 35648302f7cc..2cb304a226ad 100644
--- a/arch/mips/configs/ar7_defconfig
+++ b/arch/mips/configs/ar7_defconfig
@@ -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
#
diff --git a/arch/mips/configs/cavium-octeon_defconfig b/arch/mips/configs/cavium-octeon_defconfig
index 7afaa28a3768..1819a4c907ba 100644
--- a/arch/mips/configs/cavium-octeon_defconfig
+++ b/arch/mips/configs/cavium-octeon_defconfig
@@ -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
#
diff --git a/arch/mips/configs/rbtx49xx_defconfig b/arch/mips/configs/rbtx49xx_defconfig
index 6c6a19aebe1f..4f3b970006fc 100644
--- a/arch/mips/configs/rbtx49xx_defconfig
+++ b/arch/mips/configs/rbtx49xx_defconfig
@@ -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
#
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index fd138c9b33ef..bd55f71055ba 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -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)
- goto disable;
- initrd_start = (unsigned long)(initrd_header + 2);
- initrd_end = initrd_start + initrd_header[1];
-#else
+ if (!initrd_start || initrd_end <= initrd_start)
goto disable;
-#endif
- }
if (initrd_start & ~PAGE_MASK) {
pr_err("initrd start must be page aligned\n");