| Andrew Geissler | d583833 | 2022-05-27 11:33:10 -0500 | [diff] [blame^] | 1 | From 0f6af48b2fbc71ec8abe862d3e9eb6da7b03538b Mon Sep 17 00:00:00 2001 |
| 2 | From: Denys Dmytriyenko <denys@ti.com> |
| 3 | Date: Wed, 8 Aug 2018 14:38:00 -0400 |
| 4 | Subject: [PATCH] devmem2: support different page sizes at run-time |
| 5 | |
| 6 | Signed-off-by: Denys Dmytriyenko <denys@ti.com> |
| 7 | --- |
| 8 | devmem2.c | 4 ++-- |
| 9 | 1 file changed, 2 insertions(+), 2 deletions(-) |
| 10 | |
| 11 | diff --git a/devmem2.c b/devmem2.c |
| 12 | index 68131b2..76af2d6 100644 |
| 13 | --- a/devmem2.c |
| 14 | +++ b/devmem2.c |
| 15 | @@ -53,8 +53,6 @@ |
| 16 | #define FATAL do { fprintf(stderr, "Error at line %d, file %s (%d) [%s]\n", \ |
| 17 | __LINE__, __FILE__, errno, strerror(errno)); exit(1); } while(0) |
| 18 | |
| 19 | -#define MAP_SIZE 4096UL |
| 20 | -#define MAP_MASK (MAP_SIZE - 1) |
| 21 | |
| 22 | static inline void *fixup_addr(void *addr, size_t size); |
| 23 | |
| 24 | @@ -66,6 +64,8 @@ int main(int argc, char **argv) { |
| 25 | int access_type = 'w'; |
| 26 | char fmt_str[128]; |
| 27 | size_t data_size; |
| 28 | + unsigned long MAP_SIZE = sysconf(_SC_PAGE_SIZE); |
| 29 | + unsigned long MAP_MASK = (MAP_SIZE - 1); |
| 30 | |
| 31 | if(argc < 2) { |
| 32 | fprintf(stderr, "\nUsage:\t%s { address } [ type [ data ] ]\n" |
| 33 | -- |
| 34 | 2.7.4 |
| 35 | |