Promote devmem.

1 files changed, 0 insertions, 62 deletions

diff --git a/toys/pending/devmem.c b/toys/pending/devmem.c
deleted file mode 100644
index d5b7bdb4..00000000
--- a/toys/pending/devmem.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* devmem.c - Access physical addresses
- *
- * Copyright 2019 The Android Open Source Project
-
-USE_DEVMEM(NEWTOY(devmem, "<1>3", TOYFLAG_USR|TOYFLAG_BIN))
-
-config DEVMEM
-  bool "devmem"
-  default n
-  help
-    usage: devmem ADDR [WIDTH [DATA]]
-
-    Read/write physical address via /dev/mem.
-
-    WIDTH is 1, 2, 4, or 8 bytes (default 4).
-*/
-
-#define FOR_devmem
-#include "toys.h"
-
-void devmem_main(void)
-{
-  int writing = toys.optc == 3, page_size = getpagesize(), bytes = 4, fd;
-  unsigned long long addr = atolx(toys.optargs[0]), data = 0, map_off, map_len;
-  void *map, *p;
-
-  // WIDTH?
-  if (toys.optc>1) {
-    int i;
-
-    if (strlen(toys.optargs[1])!=1 || (i=stridx("1248", *toys.optargs[1]))==-1)
-      error_exit("bad width: %s", toys.optargs[1]);
-    bytes = 1<<i;
-  }
-
-  // DATA? Report out of range values as errors rather than truncating.
-  if (writing) data = atolx_range(toys.optargs[2], 0, (1ULL<<(8*bytes))-1);
-
-  // Map in just enough.
-  fd = xopen("/dev/mem", (writing ? O_RDWR : O_RDONLY) | O_SYNC);
-  map_off = addr & ~(page_size - 1);
-  map_len = (addr+bytes-map_off);
-  map = xmmap(NULL, map_len, writing ? PROT_WRITE : PROT_READ, MAP_SHARED, fd,
-      map_off);
-  p = map + (addr & (page_size - 1));
-  close(fd);
-
-  if (writing) {
-    if (bytes == 1) *(char *)p = data;
-    else if (bytes == 2) *(short *)p = data;
-    else if (bytes == 4) *(int *)p = data;
-    else if (bytes == 8) *(long long *)p = data;
-  } else {
-    if (bytes == 1) data = *(char *)p;
-    else if (bytes == 2) data = *(short *)p;
-    else if (bytes == 4) data = *(int *)p;
-    else if (bytes == 8) data = *(long long *)p;
-    printf("%#0*llx\n", bytes*2, data);
-  }
-
-  munmap(map, map_len);
-}