diff options
Diffstat (limited to 'core/busybox/busybox-devmem.patch')
| -rw-r--r-- | core/busybox/busybox-devmem.patch | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/core/busybox/busybox-devmem.patch b/core/busybox/busybox-devmem.patch deleted file mode 100644 index 3932119a..00000000 --- a/core/busybox/busybox-devmem.patch +++ /dev/null @@ -1,128 +0,0 @@ -diff -Nrup include/applets.h include/applets.h ---- include/applets.h 2008-04-26 18:22:37.000000000 +0000 -+++ include/applets.h 2008-04-26 18:19:53.000000000 +0000 -@@ -121,6 +121,7 @@ USE_DEALLOCVT(APPLET(deallocvt, _BB_DIR_ - USE_DELGROUP(APPLET_ODDNAME(delgroup, deluser, _BB_DIR_BIN, _BB_SUID_NEVER, delgroup)) - USE_DELUSER(APPLET(deluser, _BB_DIR_BIN, _BB_SUID_NEVER)) - USE_DEVFSD(APPLET(devfsd, _BB_DIR_SBIN, _BB_SUID_NEVER)) -+USE_DEVMEM(APPLET(devmem, _BB_DIR_SBIN, _BB_SUID_NEVER)) - USE_DF(APPLET(df, _BB_DIR_BIN, _BB_SUID_NEVER)) - USE_APP_DHCPRELAY(APPLET(dhcprelay, _BB_DIR_USR_SBIN, _BB_SUID_NEVER)) - USE_DIFF(APPLET(diff, _BB_DIR_USR_BIN, _BB_SUID_NEVER)) -diff -Nrup include/usage.h include/usage.h ---- include/usage.h 2007-12-21 22:00:31.000000000 +0000 -+++ include/usage.h 2008-04-26 18:21:59.000000000 +0000 -@@ -630,6 +630,16 @@ - "\n and processing synthetic REGISTER events," \ - "\n do not poll for events") - -+#define devmem_trivial_usage \ -+ "{ address } [ type [ data ] ]" -+ -+#define devmem_full_usage \ -+ "Read/Write from physical addresses" \ -+ "\n\nUsage: devmem { address } [ type [ data ] ]" \ -+ "\n address : memory address to act upon" \ -+ "\n type : access operation type : [b]yte, [h]alfword, [w]ord" \ -+ "\n data : data to be written" -+ - /* -k is accepted but ignored for !HUMAN_READABLE, - * but we won't mention this (unimportant) */ - #if ENABLE_FEATURE_HUMAN_READABLE || ENABLE_FEATURE_DF_INODE -diff -Nrup miscutils/Config.in miscutils/Config.in ---- miscutils/Config.in 2007-12-21 22:00:31.000000000 +0000 -+++ miscutils/Config.in 2008-04-26 17:54:51.000000000 +0000 -@@ -120,6 +120,13 @@ config FEATURE_DEVFS - /dev/loop0. If your /dev directory has normal names instead of - devfs names, you don't want this. - -+config DEVMEM -+ bool "devmem" -+ default y -+ help -+ devmem is a small program that reads and writes from physical -+ memory using /dev/mem. -+ - config EJECT - bool "eject" - default n -diff -Nrup miscutils/Kbuild miscutils/Kbuild ---- miscutils/Kbuild 2007-12-21 22:00:31.000000000 +0000 -+++ miscutils/Kbuild 2008-04-26 17:56:36.000000000 +0000 -@@ -12,6 +12,7 @@ lib-$(CONFIG_CROND) += crond.o - lib-$(CONFIG_CRONTAB) += crontab.o - lib-$(CONFIG_DC) += dc.o - lib-$(CONFIG_DEVFSD) += devfsd.o -+lib-$(CONFIG_DEVMEM) += devmem.o - lib-$(CONFIG_EJECT) += eject.o - lib-$(CONFIG_HDPARM) += hdparm.o - lib-$(CONFIG_LAST) += last.o -diff -Nrup miscutils/devmem.c miscutils/devmem.c ---- miscutils/devmem.c 1970-01-01 00:00:00.000000000 +0000 -+++ miscutils/devmem.c 2008-04-26 18:18:30.000000000 +0000 -@@ -0,0 +1,65 @@ -+/* -+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. -+ * Copyright (C) 2000, Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) -+ * Copyright (C) 2008, BusyBox Team. -solar 4/26/08 -+ */ -+ -+#include "libbb.h" -+ -+#define DEVMEM_MAP_SIZE 4096UL -+#define DEVMEM_MAP_MASK (DEVMEM_MAP_SIZE - 1) -+ -+int devmem_main(int argc, char **argv) { -+ void *map_base, *virt_addr; -+ unsigned long read_result, writeval; -+ off_t target; -+ int fd, access_type = 'w'; -+ -+ if (argc < 2) -+ bb_show_usage(); -+ -+ target = bb_strtoul(argv[1], 0, 0); -+ -+ if (argc > 2) -+ access_type = tolower(argv[2][0]); -+ -+ fd = xopen("/dev/mem", O_RDWR | O_SYNC); -+ -+ if ((map_base = mmap(0, DEVMEM_MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, target & ~DEVMEM_MAP_MASK)) == MAP_FAILED) -+ bb_perror_msg_and_die("mmap"); -+ -+ printf("Memory mapped at address %p.\n", map_base); -+ -+ virt_addr = map_base + (target & DEVMEM_MAP_MASK); -+ if (access_type == 'b') -+ read_result = *((unsigned char *) virt_addr); -+ else if (access_type == 'h') -+ read_result = *((unsigned short *) virt_addr); -+ else if (access_type == 'w') -+ read_result = *((unsigned long *) virt_addr); -+ else { -+ fprintf(stderr, "Illegal data type '%c'\n", access_type); -+ exit(EXIT_FAILURE); -+ } -+ printf("Value at address 0x%X (%p): 0x%X\n", target, virt_addr, read_result); -+ -+ if (argc > 3) { -+ writeval = bb_strtoul(argv[3], 0, 0); -+ if (access_type == 'b') { -+ *((unsigned char *) virt_addr) = writeval; -+ read_result = *((unsigned char *) virt_addr); -+ } else if (access_type == 'h') { -+ *((unsigned short *) virt_addr) = writeval; -+ read_result = *((unsigned short *) virt_addr); -+ } else if (access_type == 'w') { -+ *((unsigned long *) virt_addr) = writeval; -+ read_result = *((unsigned long *) virt_addr); -+ } -+ printf("Written 0x%X; readback 0x%X\n", writeval, read_result); -+ } -+ -+ if (munmap(map_base, DEVMEM_MAP_SIZE) == -1) -+ bb_perror_msg_and_die("munmap"); -+ close(fd); -+ fflush_stdout_and_exit(EXIT_SUCCESS); -+} |