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Added a status field to memory regions to differentiate allocated and reserved regions

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max 🍓
2022-12-29 19:21:59 +00:00
parent 02b3be636b
commit 7f51b0755b
2 changed files with 3 additions and 1 deletions
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2
sandbox/memblock/main.c
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@@ -18,7 +18,7 @@ int main(int argc, const char **argv)
if (system_memory == MAP_FAILED) { if (system_memory == MAP_FAILED) {
perror("mmap"); perror("mmap");
fprintf(stderr, "cannot allocate simulated system RAM buffer"); fprintf(stderr, "cannot allocate simulated system RAM buffer\n");
return -1; return -1;
} }

2
sandbox/memblock/memblock.h
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@@ -36,6 +36,8 @@ typedef enum memblock_region_status {
} memblock_region_status_t; } memblock_region_status_t;
typedef struct memblock_region { typedef struct memblock_region {
/* the status of the memory region (free, reserved, allocated, etc) */
memblock_region_status_t status;
/* the address of the first byte that makes up the region */ /* the address of the first byte that makes up the region */
phys_addr_t base; phys_addr_t base;
/* the address of the last byte that makes up the region */ /* the address of the last byte that makes up the region */