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| author | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-13 21:52:48 +0100 |
|---|---|---|
| committer | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-13 21:52:48 +0100 |
| commit | 47e6cd42f0744f6c04b8347093f6549339a856c9 (patch) | |
| tree | c91fc43178d136c2aa0f093087ba8cfb4e90bdae /src/kernel/core/kmain.c | |
| parent | cf0b8a52287ee7c747b1d5a7d77abdef1fb46f94 (diff) | |
| download | kogata-47e6cd42f0744f6c04b8347093f6549339a856c9.tar.gz kogata-47e6cd42f0744f6c04b8347093f6549339a856c9.zip | |
Implement ELF loading ; arrange so that user processes run.
Diffstat (limited to 'src/kernel/core/kmain.c')
| -rw-r--r-- | src/kernel/core/kmain.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/kernel/core/kmain.c b/src/kernel/core/kmain.c index 34438aa..5572ac4 100644 --- a/src/kernel/core/kmain.c +++ b/src/kernel/core/kmain.c @@ -15,6 +15,8 @@ #include <vfs.h> #include <nullfs.h> +#include <process.h> +#include <elf.h> #include <slab_alloc.h> #include <hashtbl.h> @@ -333,6 +335,23 @@ void kernel_init_stage2(void* data) { test_cmdline(mbd, devfs); + fs_handle_t *init_bin = fs_open(devfs, "/mod/init.bin", FM_READ | FM_MMAP); + if (init_bin == 0) PANIC("No init.bin module provided!"); + if (!is_elf(init_bin)) PANIC("init.bin is not valid ELF32 binary"); + + process_t *init_p = new_process(0); + ASSERT(init_p != 0); + + bool add_devfs_ok = proc_add_fs(init_p, devfs, "dev"); + ASSERT(add_devfs_ok); + + proc_entry_t *e = elf_load(init_bin, init_p); + if (e == 0) PANIC("Could not load ELF file init.bin"); + + unref_file(init_bin); + + start_process(init_p, e); + //TODO : // - (OK) populate devfs with information regarding kernel command line & modules // - create user process with init module provided on command line |