From b106df2447d23d6b3fcffa7cc87edde218d054f3 Mon Sep 17 00:00:00 2001 From: Nathan Lee Date: Wed, 17 Jun 2026 13:05:15 -0500 Subject: create wdt device discovery discuss: per wrv32em status, consider moving custom wdt format to dtb or pci device discovery (potentially both: we have the framework for pci.ko extension after using dtb to discover memory and pci devices) --- kernel/mem.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 kernel/mem.c (limited to 'kernel/mem.c') diff --git a/kernel/mem.c b/kernel/mem.c new file mode 100644 index 0000000..531dd81 --- /dev/null +++ b/kernel/mem.c @@ -0,0 +1,32 @@ +#include +#include + +static char eheap[EHEAP_SIZE] = {0}; +static size_t eheap_off = 0; + +void* kmalloc(size_t size) { + return (void*)size; +} + +void* kemalloc(size_t size) { + size = (size + 7) & ~7; + + if (eheap_off + size > EHEAP_SIZE) { + return NULL; + } + + void *ptr = &eheap[eheap_off]; + eheap_off += size; + return ptr; +} + +void* memcpy(void *to, const void *from, size_t size) { + char *dest = (char *)to; + const char *src = (const char *)from; + + while (size--) { + *dest++ = *src++; + } + + return dest; +} -- cgit v1.2.3