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authorAlex Auvolat <alex@adnab.me>2016-07-15 23:12:14 +0200
committerAlex Auvolat <alex@adnab.me>2016-07-15 23:12:14 +0200
commit32407e728971006ed3d0885e01c22fb66c8adc57 (patch)
tree89483d39e8e2638383f815d4e73b647334fe2fe9 /src/lib/libkogata/malloc.c
parentba4e59a1d687173ac5cfa74d26d71d6059dc6bc6 (diff)
downloadkogata-32407e728971006ed3d0885e01c22fb66c8adc57.tar.gz
kogata-32407e728971006ed3d0885e01c22fb66c8adc57.zip
Move stuff around, again
Diffstat (limited to 'src/lib/libkogata/malloc.c')
-rw-r--r--src/lib/libkogata/malloc.c70
1 files changed, 0 insertions, 70 deletions
diff --git a/src/lib/libkogata/malloc.c b/src/lib/libkogata/malloc.c
deleted file mode 100644
index 3777123..0000000
--- a/src/lib/libkogata/malloc.c
+++ /dev/null
@@ -1,70 +0,0 @@
-#include <malloc.h>
-#include <slab_alloc.h>
-
-#include <string.h>
-
-#include <syscall.h>
-#include <region_alloc.h>
-
-static void* heap_alloc_pages(size_t s) {
- void* addr = region_alloc(s, "Heap");
- if (addr == 0) return 0;
-
- bool map_ok = mmap(addr, s, FM_READ | FM_WRITE);
- if (!map_ok) {
- region_free(addr);
- return 0;
- }
-
- return addr;
-}
-
-static void heap_free_pages(void* addr) {
- munmap(addr);
- region_free(addr);
-}
-
-static mem_allocator_t *mem_allocator;
-static slab_type_t slab_sizes[] = {
- { "8B malloc objects", 8, 2 },
- { "16B malloc objects", 16, 2 },
- { "32B malloc objects", 32, 2 },
- { "64B malloc objects", 64, 4 },
- { "128B malloc objects", 128, 4 },
- { "256B malloc objects", 256, 4 },
- { "512B malloc objects", 512, 8 },
- { "1KB malloc objects", 1024, 8 },
- { "2KB malloc objects", 2048, 16 },
- { "4KB malloc objects", 4096, 16 },
- { 0, 0, 0 }
-};
-
-bool mmap_single_page(void* addr) {
- return mmap(addr, PAGE_SIZE, MM_READ | MM_WRITE);
-}
-
-void malloc_setup() {
- region_allocator_init((void*)0x40000000, (void*)0x40000000, (void*)0xB0000000, mmap_single_page);
-
- mem_allocator = create_slab_allocator(slab_sizes, heap_alloc_pages, heap_free_pages);
-
- ASSERT(mem_allocator != 0);
-}
-
-void* malloc(size_t size) {
- if (size == 0) return 0;
-
- return slab_alloc(mem_allocator, size);
-}
-
-void* calloc(size_t nmemb, size_t sz) {
- void* r = malloc(nmemb * sz);
- if (r != 0) memset(r, 0, nmemb * sz);
- return r;
-}
-
-void free(void* ptr) {
- slab_free(mem_allocator, ptr);
-}
-
-/* vim: set ts=4 sw=4 tw=0 noet :*/