yggdrasil-old/kernel
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add basic userspace binary execution (ported from older kernel)

Browse Source
This commit is contained in:
Mark
2020-01-30 17:29:40 +02:00
parent f262f9ab6d
commit cbb39f9d77
13 changed files with 196 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/amd64/mm/mm.h
+10 -10
View File
@@ -20,7 +20,7 @@
#define MM_PTE_INDEX_MASK 0x1FF
#define MM_PTE_COUNT 512
#define MM_PTE_FLAGS_MASK 0xFFF
#define MM_PTE_FLAGS_MASK (0xFFF | MM_PAGE_NOEXEC)
#define MM_PTE_MASK (~0xFFF)
#define MM_PAGE_MASK (~0xFFF)
@@ -36,15 +36,15 @@
#define MM_PDPTI_SHIFT 30
#define MM_PML4I_SHIFT 39
#define MM_PAGE_PRESENT (1 << 0)
#define MM_PAGE_WRITE (1 << 1)
#define MM_PAGE_USER (1 << 2)
#define MM_PAGE_WT (1 << 3)
#define MM_PAGE_NOCACHE (1 << 4)
#define MM_PAGE_ACCESSED (1 << 5)
#define MM_PAGE_DIRTY (1 << 6)
#define MM_PAGE_HUGE (1 << 7)
#define MM_PAGE_GLOBAL (1 << 8)
#define MM_PAGE_PRESENT (1ULL << 0)
#define MM_PAGE_WRITE (1ULL << 1)
#define MM_PAGE_USER (1ULL << 2)
#define MM_PAGE_WT (1ULL << 3)
#define MM_PAGE_NOCACHE (1ULL << 4)
#define MM_PAGE_ACCESSED (1ULL << 5)
#define MM_PAGE_DIRTY (1ULL << 6)
#define MM_PAGE_HUGE (1ULL << 7)
#define MM_PAGE_GLOBAL (1ULL << 8)
#define MM_PAGE_NOEXEC (1ULL << 63)
/// Page map level 4
include/sys/binfmt_elf.h
+5
View File
@@ -0,0 +1,5 @@
#pragma once
struct thread;
int elf_load(struct thread *thr, const void *src, uintptr_t *entry);
include/sys/thread.h
+2
View File
@@ -1,10 +1,12 @@
#pragma once
#include "sys/amd64/asm/asm_thread.h"
#include "sys/mm.h"
struct thread {
// Platform data
struct thread_data data;
mm_space_t space;
pid_t pid;
struct thread *prev, *next;
include/sys/vmalloc.h
+1 -1
View File
@@ -34,7 +34,7 @@ uintptr_t vmfind(const mm_space_t pd, uintptr_t from, uintptr_t to, size_t npage
* @return Virtual address of the resulting range on success,
* MM_NADDR otherwise
*/
uintptr_t vmalloc(mm_space_t pd, uintptr_t from, uintptr_t to, size_t npages, int flags);
uintptr_t vmalloc(mm_space_t pd, uintptr_t from, uintptr_t to, size_t npages, uint64_t flags);
/**
* @brief Deallocate a virtual memory range and physical pages