diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | kernel/assert.h | 1 | ||||
| -rw-r--r-- | kernel/main.c | 3 |
3 files changed, 5 insertions, 1 deletions
@@ -16,7 +16,7 @@ OBJ = ${CSRC:.c=.o} ${FSRC:.asm=.o} all: providence.img boot/boot.o: boot/bios.inc boot/page.inc boot/segdesc.inc -kernel/main.o: kernel/util.h +kernel/main.o: kernel/assert.h kernel/util.h providence.img: ${OBJ} ${CC} ${LDFLAGS} $^ ${LDLIBS} -o $@ diff --git a/kernel/assert.h b/kernel/assert.h new file mode 100644 index 0000000..2519b7f --- /dev/null +++ b/kernel/assert.h @@ -0,0 +1 @@ +#define STATIC_ASSERT(COND,MSG) typedef char static_assert_##MSG[(COND)?1:-1] diff --git a/kernel/main.c b/kernel/main.c index 8c120e9..0633254 100644 --- a/kernel/main.c +++ b/kernel/main.c @@ -1,4 +1,5 @@ #include <stdint.h> +#include "assert.h" #include "util.h" #define VGA_WIDTH 80 @@ -11,6 +12,8 @@ struct e820_entry { uint32_t ext_attr; }; +STATIC_ASSERT(sizeof(struct e820_entry) == 24, e820_entry); + static uint64_t * memsetu64(uint64_t *const dst, const uint64_t c, const uint64_t n) { |