| From 0f6af48b2fbc71ec8abe862d3e9eb6da7b03538b Mon Sep 17 00:00:00 2001 |
| From: Denys Dmytriyenko <denys@ti.com> |
| Date: Wed, 8 Aug 2018 14:38:00 -0400 |
| Subject: [PATCH] devmem2: support different page sizes at run-time |
| |
| Signed-off-by: Denys Dmytriyenko <denys@ti.com> |
| --- |
| devmem2.c | 4 ++-- |
| 1 file changed, 2 insertions(+), 2 deletions(-) |
| |
| diff --git a/devmem2.c b/devmem2.c |
| index 68131b2..76af2d6 100644 |
| --- a/devmem2.c |
| +++ b/devmem2.c |
| @@ -53,8 +53,6 @@ |
| #define FATAL do { fprintf(stderr, "Error at line %d, file %s (%d) [%s]\n", \ |
| __LINE__, __FILE__, errno, strerror(errno)); exit(1); } while(0) |
| |
| -#define MAP_SIZE 4096UL |
| -#define MAP_MASK (MAP_SIZE - 1) |
| |
| static inline void *fixup_addr(void *addr, size_t size); |
| |
| @@ -66,6 +64,8 @@ int main(int argc, char **argv) { |
| int access_type = 'w'; |
| char fmt_str[128]; |
| size_t data_size; |
| + unsigned long MAP_SIZE = sysconf(_SC_PAGE_SIZE); |
| + unsigned long MAP_MASK = (MAP_SIZE - 1); |
| |
| if(argc < 2) { |
| fprintf(stderr, "\nUsage:\t%s { address } [ type [ data ] ]\n" |
| -- |
| 2.7.4 |
| |