nathan/quark-kernel
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Massive backlog of changes

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This commit is contained in:
ngiddings
2022-06-15 15:59:31 -05:00
parent c962a83ff0
commit a52f06f81e
49 changed files with 1855 additions and 1083 deletions
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8
src/elf.c
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@@ -1,12 +1,11 @@
#include "elf.h"
#include "pageallocator.h"
#include "mmgr.h"
#include "string.h"
#include "types/status.h"
const uint32_t elf_magic_number = 0x464c457f;
int load_program(struct elf_file_header_t *elf, struct page_stack_t *page_stack)
int load_program(struct elf_file_header_t *elf)
{
struct elf_program_header_t *program_header = (struct elf_program_header_t*)((void*)elf + elf->phoffset);
unsigned int count = elf->phcount;
@@ -17,12 +16,12 @@ int load_program(struct elf_file_header_t *elf, struct page_stack_t *page_stack)
void *d = program_header->vaddr, *s = (void*)elf + program_header->offset;
for(size_t n = 0; n < program_header->memsize; n += page_size)
{
physaddr_t page = reserve_page(page_stack);
physaddr_t page = reserve_page();
if(page == S_OUT_OF_MEMORY)
{
return S_OUT_OF_MEMORY;
}
int status = map_page(page_stack, d + n, page, PAGE_RW | PAGE_USERMODE | PAGE_EXECUTABLE);
int status = map_page(d + n, page, PAGE_RW | PAGE_USERMODE | PAGE_EXECUTABLE);
switch(status)
{
case S_OUT_OF_MEMORY:
@@ -37,4 +36,5 @@ int load_program(struct elf_file_header_t *elf, struct page_stack_t *page_stack)
count--;
program_header = (struct elf_program_header_t*)((void*)program_header + elf->phsize);
}
return S_OK;
}