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https://github.com/torvalds/linux
synced 2024-07-22 19:21:07 +00:00
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Addinitrd has been superseded by initramfs ages ago.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
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@ -2041,15 +2041,6 @@ config STACKTRACE_SUPPORT
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source "init/Kconfig"
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config PROBE_INITRD_HEADER
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bool "Probe initrd header created by addinitrd"
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depends on BLK_DEV_INITRD
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help
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Probe initrd header at the last page of kernel image.
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Say Y here if you are using arch/mips/boot/addinitrd.c to
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add initrd or initramfs image to the kernel image.
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Otherwise, say N.
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source "kernel/Kconfig.freezer"
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menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
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@ -25,7 +25,7 @@ strip-flags = $(addprefix --remove-section=,$(drop-sections))
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VMLINUX = vmlinux
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all: vmlinux.ecoff vmlinux.srec addinitrd
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all: vmlinux.ecoff vmlinux.srec
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vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX)
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$(obj)/elf2ecoff $(VMLINUX) vmlinux.ecoff $(E2EFLAGS)
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@ -39,11 +39,7 @@ vmlinux.bin: $(VMLINUX)
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vmlinux.srec: $(VMLINUX)
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$(OBJCOPY) -S -O srec $(strip-flags) $(VMLINUX) $(obj)/vmlinux.srec
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$(obj)/addinitrd: $(obj)/addinitrd.c
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$(HOSTCC) -o $@ $^
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clean-files += addinitrd \
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elf2ecoff \
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clean-files += elf2ecoff \
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vmlinux.bin \
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vmlinux.ecoff \
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vmlinux.srec
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@ -1,131 +0,0 @@
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/*
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* addinitrd - program to add a initrd image to an ecoff kernel
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*
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* (C) 1999 Thomas Bogendoerfer
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* minor modifications, cleanup: Guido Guenther <agx@sigxcpu.org>
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* further cleanup: Maciej W. Rozycki
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <netinet/in.h>
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#include "ecoff.h"
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#define MIPS_PAGE_SIZE 4096
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#define MIPS_PAGE_MASK (MIPS_PAGE_SIZE-1)
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#define swab16(x) \
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((unsigned short)( \
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(((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \
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(((unsigned short)(x) & (unsigned short)0xff00U) >> 8) ))
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#define swab32(x) \
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((unsigned int)( \
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(((unsigned int)(x) & (unsigned int)0x000000ffUL) << 24) | \
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(((unsigned int)(x) & (unsigned int)0x0000ff00UL) << 8) | \
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(((unsigned int)(x) & (unsigned int)0x00ff0000UL) >> 8) | \
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(((unsigned int)(x) & (unsigned int)0xff000000UL) >> 24) ))
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#define SWAB(a) (swab ? swab32(a) : (a))
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void die(char *s)
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{
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perror(s);
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exit(1);
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}
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int main(int argc, char *argv[])
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{
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int fd_vmlinux, fd_initrd, fd_outfile;
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FILHDR efile;
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AOUTHDR eaout;
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SCNHDR esecs[3];
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struct stat st;
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char buf[1024];
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unsigned long loadaddr;
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unsigned long initrd_header[2];
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int i, cnt;
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int swab = 0;
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if (argc != 4) {
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printf("Usage: %s <vmlinux> <initrd> <outfile>\n", argv[0]);
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exit(1);
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}
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if ((fd_vmlinux = open (argv[1], O_RDONLY)) < 0)
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die("open vmlinux");
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if (read (fd_vmlinux, &efile, sizeof efile) != sizeof efile)
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die("read file header");
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if (read (fd_vmlinux, &eaout, sizeof eaout) != sizeof eaout)
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die("read aout header");
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if (read (fd_vmlinux, esecs, sizeof esecs) != sizeof esecs)
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die("read section headers");
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/*
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* check whether the file is good for us
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*/
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/* TBD */
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/*
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* check, if we have to swab words
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*/
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if (ntohs(0xaa55) == 0xaa55) {
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if (efile.f_magic == swab16(MIPSELMAGIC))
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swab = 1;
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} else {
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if (efile.f_magic == swab16(MIPSEBMAGIC))
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swab = 1;
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}
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/* make sure we have an empty data segment for the initrd */
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if (eaout.dsize || esecs[1].s_size) {
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fprintf(stderr, "Data segment not empty. Giving up!\n");
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exit(1);
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}
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if ((fd_initrd = open (argv[2], O_RDONLY)) < 0)
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die("open initrd");
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if (fstat (fd_initrd, &st) < 0)
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die("fstat initrd");
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loadaddr = ((SWAB(esecs[2].s_vaddr) + SWAB(esecs[2].s_size)
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+ MIPS_PAGE_SIZE-1) & ~MIPS_PAGE_MASK) - 8;
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if (loadaddr < (SWAB(esecs[2].s_vaddr) + SWAB(esecs[2].s_size)))
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loadaddr += MIPS_PAGE_SIZE;
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initrd_header[0] = SWAB(0x494E5244);
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initrd_header[1] = SWAB(st.st_size);
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eaout.dsize = esecs[1].s_size = initrd_header[1] = SWAB(st.st_size+8);
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eaout.data_start = esecs[1].s_vaddr = esecs[1].s_paddr = SWAB(loadaddr);
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if ((fd_outfile = open (argv[3], O_RDWR|O_CREAT|O_TRUNC, 0666)) < 0)
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die("open outfile");
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if (write (fd_outfile, &efile, sizeof efile) != sizeof efile)
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die("write file header");
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if (write (fd_outfile, &eaout, sizeof eaout) != sizeof eaout)
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die("write aout header");
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if (write (fd_outfile, esecs, sizeof esecs) != sizeof esecs)
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die("write section headers");
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/* skip padding */
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if(lseek(fd_vmlinux, SWAB(esecs[0].s_scnptr), SEEK_SET) == (off_t)-1)
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die("lseek vmlinux");
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if(lseek(fd_outfile, SWAB(esecs[0].s_scnptr), SEEK_SET) == (off_t)-1)
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die("lseek outfile");
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/* copy text segment */
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cnt = SWAB(eaout.tsize);
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while (cnt) {
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if ((i = read (fd_vmlinux, buf, sizeof buf)) <= 0)
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die("read vmlinux");
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if (write (fd_outfile, buf, i) != i)
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die("write vmlinux");
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cnt -= i;
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}
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if (write (fd_outfile, initrd_header, sizeof initrd_header) != sizeof initrd_header)
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die("write initrd header");
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while ((i = read (fd_initrd, buf, sizeof buf)) > 0)
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if (write (fd_outfile, buf, i) != i)
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die("write initrd");
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close(fd_vmlinux);
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close(fd_initrd);
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return 0;
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}
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@ -265,7 +265,6 @@ CONFIG_DEFAULT_DEADLINE=y
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# CONFIG_DEFAULT_CFQ is not set
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# CONFIG_DEFAULT_NOOP is not set
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CONFIG_DEFAULT_IOSCHED="deadline"
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CONFIG_PROBE_INITRD_HEADER=y
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# CONFIG_FREEZER is not set
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#
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@ -269,7 +269,6 @@ CONFIG_DEFAULT_CFQ=y
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# CONFIG_DEFAULT_NOOP is not set
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CONFIG_DEFAULT_IOSCHED="cfq"
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CONFIG_CLASSIC_RCU=y
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# CONFIG_PROBE_INITRD_HEADER is not set
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# CONFIG_FREEZER is not set
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#
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@ -284,7 +284,6 @@ CONFIG_DEFAULT_AS=y
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# CONFIG_DEFAULT_CFQ is not set
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# CONFIG_DEFAULT_NOOP is not set
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CONFIG_DEFAULT_IOSCHED="anticipatory"
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# CONFIG_PROBE_INITRD_HEADER is not set
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# CONFIG_FREEZER is not set
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#
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@ -166,26 +166,8 @@ static unsigned long __init init_initrd(void)
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* already set up initrd_start and initrd_end. In these cases
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* perfom sanity checks and use them if all looks good.
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*/
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if (!initrd_start || initrd_end <= initrd_start) {
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#ifdef CONFIG_PROBE_INITRD_HEADER
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u32 *initrd_header;
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/*
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* See if initrd has been added to the kernel image by
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* arch/mips/boot/addinitrd.c. In that case a header is
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* prepended to initrd and is made up by 8 bytes. The first
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* word is a magic number and the second one is the size of
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* initrd. Initrd start must be page aligned in any cases.
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*/
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initrd_header = __va(PAGE_ALIGN(__pa_symbol(&_end) + 8)) - 8;
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if (initrd_header[0] != 0x494E5244)
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goto disable;
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initrd_start = (unsigned long)(initrd_header + 2);
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initrd_end = initrd_start + initrd_header[1];
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#else
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if (!initrd_start || initrd_end <= initrd_start)
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goto disable;
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#endif
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}
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if (initrd_start & ~PAGE_MASK) {
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pr_err("initrd start must be page aligned\n");
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