diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/Kconfig | 9 | ||||
| -rw-r--r-- | arch/mips/boot/Makefile | 8 | ||||
| -rw-r--r-- | arch/mips/boot/addinitrd.c | 131 | ||||
| -rw-r--r-- | arch/mips/configs/ar7_defconfig | 1 | ||||
| -rw-r--r-- | arch/mips/configs/cavium-octeon_defconfig | 1 | ||||
| -rw-r--r-- | arch/mips/configs/rbtx49xx_defconfig | 1 | ||||
| -rw-r--r-- | arch/mips/kernel/setup.c | 20 |
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"); |
