summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
l---------src/user_bootstrap/elfload.c1
l---------src/user_bootstrap/elfload.h1
-rw-r--r--src/user_bootstrap/linker.ld6
-rw-r--r--src/user_bootstrap/main.c16
l---------src/user_bootstrap/syscall.c1
l---------src/user_bootstrap/syscall.s1
6 files changed, 13 insertions, 13 deletions
diff --git a/src/user_bootstrap/elfload.c b/src/user_bootstrap/elfload.c
deleted file mode 120000
index 75a5cb2..0000000
--- a/src/user_bootstrap/elfload.c
+++ /dev/null
@@ -1 +0,0 @@
-../user/lib/elfload.c \ No newline at end of file
diff --git a/src/user_bootstrap/elfload.h b/src/user_bootstrap/elfload.h
deleted file mode 120000
index 5b09fdc..0000000
--- a/src/user_bootstrap/elfload.h
+++ /dev/null
@@ -1 +0,0 @@
-../user/lib/elfload.h \ No newline at end of file
diff --git a/src/user_bootstrap/linker.ld b/src/user_bootstrap/linker.ld
index f2c9d24..917388c 100644
--- a/src/user_bootstrap/linker.ld
+++ b/src/user_bootstrap/linker.ld
@@ -3,6 +3,11 @@ OUTPUT_FORMAT("binary")
SECTIONS
{
+ /* Not an ELF, but we need this to link with elfreloc.c.
+ * Not that we need to link with it, it's just easier that way */
+ _DYNAMIC = 0;
+ _image_base = 0;
+
. = 2M;
.text BLOCK(4K) : ALIGN(4K)
{
@@ -18,6 +23,7 @@ SECTIONS
*(.data)
}
+ . = ALIGN(32); /* seems to be necessary? */
_initrd = .; /* is just appended onto the end of the binary */
. += 2M;
diff --git a/src/user_bootstrap/main.c b/src/user_bootstrap/main.c
index 52d7058..8fed3ce 100644
--- a/src/user_bootstrap/main.c
+++ b/src/user_bootstrap/main.c
@@ -1,19 +1,12 @@
#include <shared/flags.h>
#include <shared/mem.h>
#include <shared/syscalls.h>
-#include <user_bootstrap/elfload.h>
+#include <user/lib/elfload.h>
extern char _bss_start;
extern char _bss_end;
extern char _initrd;
-/* libc stubs */
-int printf(const char *fmt, ...) {(void)fmt; return 0;}
-void *malloc(size_t size) {(void)size; _syscall_exit(1);}
-void free(void *ptr) {(void)ptr;}
-int file_read(libc_file *f, char *buf, size_t len) {(void)f; (void)buf; (void)len; _syscall_exit(1);}
-
-
static void *tar_find(void *tar, const char *path);
static int oct_parse(char *str, size_t len);
@@ -26,6 +19,7 @@ static void *tar_find(void *tar, const char *path) {
if (0 != memcmp(tar + off + 257, "ustar", 5))
return NULL; // not a metadata sector, end of archive
+ _klogf("%s", tar + off);
size = oct_parse(tar + off + 124, 11);
if (0 == memcmp(tar + off, path, path_len) &&
*(char*)(tar + off + path_len) == '\0')
@@ -52,12 +46,16 @@ int main(void) {
_syscall_memflag(&_bss_start, &_bss_end - &_bss_start, MEMFLAG_PRESENT);
void *init = tar_find(&_initrd, "init.elf");
+ if (!init) {
+ _klogf("couldn't find init.elf\n");
+ _syscall_exit(0);
+ }
void (*entry)(void*) = elf_partialexec(init);
if (entry) {
// TODO dynamically link initrd
entry(&_initrd);
} else {
- _syscall_debug_klog("bootstrap failed", sizeof("bootstrap failed"));
+ _klogf("couldn't execute init.elf\n");
}
_syscall_exit(0);
}
diff --git a/src/user_bootstrap/syscall.c b/src/user_bootstrap/syscall.c
deleted file mode 120000
index c6d5b0f..0000000
--- a/src/user_bootstrap/syscall.c
+++ /dev/null
@@ -1 +0,0 @@
-../user/lib/syscall.c \ No newline at end of file
diff --git a/src/user_bootstrap/syscall.s b/src/user_bootstrap/syscall.s
deleted file mode 120000
index ac2e0f9..0000000
--- a/src/user_bootstrap/syscall.s
+++ /dev/null
@@ -1 +0,0 @@
-../user/lib/syscall.s \ No newline at end of file