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refactor: full rewrite of signal feature
[lunaix-os.git]
/
lunaix-os
/
kernel
/
proc0.c
diff --git
a/lunaix-os/kernel/proc0.c
b/lunaix-os/kernel/proc0.c
index ef97c778a3144ae70f174c3c9a281dfbddcdf998..bb9b3d9293e0d784774c4321170951923154029d 100644
(file)
--- a/
lunaix-os/kernel/proc0.c
+++ b/
lunaix-os/kernel/proc0.c
@@
-1,9
+1,10
@@
#include <lunaix/block.h>
#include <lunaix/common.h>
#include <lunaix/block.h>
#include <lunaix/common.h>
+#include <lunaix/exec.h>
#include <lunaix/foptions.h>
#include <lunaix/fs.h>
#include <lunaix/foptions.h>
#include <lunaix/fs.h>
+#include <lunaix/fs/probe_boot.h>
#include <lunaix/fs/twifs.h>
#include <lunaix/fs/twifs.h>
-#include <lunaix/ld.h>
#include <lunaix/lxconsole.h>
#include <lunaix/mm/cake.h>
#include <lunaix/mm/pmm.h>
#include <lunaix/lxconsole.h>
#include <lunaix/mm/cake.h>
#include <lunaix/mm/pmm.h>
@@
-48,14
+49,14
@@
mount_bootmedium()
{
struct v_dnode* dnode;
int errno = 0;
{
struct v_dnode* dnode;
int errno = 0;
- if ((errno = vfs_walk_proc("/dev/sdb", &dnode, NULL, 0))) {
+ struct device* dev = probe_boot_medium();
+ if (!dev) {
kprintf(KERROR "fail to acquire device. (%d)", errno);
return 0;
}
kprintf(KERROR "fail to acquire device. (%d)", errno);
return 0;
}
- struct device* dev = (struct device*)dnode->inode->data;
if ((errno = vfs_mount("/mnt/lunaix-os", "iso9660", dev, 0))) {
if ((errno = vfs_mount("/mnt/lunaix-os", "iso9660", dev, 0))) {
- kprintf(KERROR "fail to boot medium. (%d)", errno);
+ kprintf(KERROR "fail to
mount
boot medium. (%d)", errno);
return 0;
}
return 0;
}
@@
-66,31
+67,11
@@
int
exec_initd()
{
int errno = 0;
exec_initd()
{
int errno = 0;
- struct ld_param param;
- char filename[] = "/mnt/lunaix-os/usr/initd";
- ld_create_param(¶m, __current, VMS_SELF);
-
- if ((errno = exec_load_byname(¶m, filename, NULL, NULL))) {
+ if ((errno = exec_kexecve("/mnt/lunaix-os/usr/bin/init", NULL, NULL))) {
goto fail;
}
goto fail;
}
- // user space
- asm volatile("movw %0, %%ax\n"
- "movw %%ax, %%es\n"
- "movw %%ax, %%ds\n"
- "movw %%ax, %%fs\n"
- "movw %%ax, %%gs\n"
- "pushl %0\n"
- "pushl %1\n"
- "pushl %2\n"
- "pushl %3\n"
- "retf" ::"i"(UDATA_SEG),
- "r"(param.info.stack_top),
- "i"(UCODE_SEG),
- "r"(param.info.entry)
- : "eax", "memory");
-
fail("should not reach");
fail:
fail("should not reach");
fail:
@@
-121,9
+102,9
@@
__proc0()
}
}
}
}
-extern u
int8_t __kernel_start;
/* link/linker.ld */
-extern u
int8_t __kernel_end;
/* link/linker.ld */
-extern u
int8_t __init_hhk_end;
/* link/linker.ld */
+extern u
8_t __kernel_start;
/* link/linker.ld */
+extern u
8_t __kernel_end;
/* link/linker.ld */
+extern u
8_t __init_hhk_end;
/* link/linker.ld */
extern multiboot_info_t* _k_init_mb_info; /* k_init.c */
void
extern multiboot_info_t* _k_init_mb_info; /* k_init.c */
void
@@
-169,9
+150,9
@@
init_platform()
unlock_reserved_memory();
// clean up
unlock_reserved_memory();
// clean up
- for (size_t i = 0; i < (
uint
ptr_t)(&__init_hhk_end); i += PG_SIZE) {
- vmm_del_mapping(VMS_SELF, (
void*
)i);
- pmm_free_page(KERNEL_PID, (
void*
)i);
+ for (size_t i = 0; i < (ptr_t)(&__init_hhk_end); i += PG_SIZE) {
+ vmm_del_mapping(VMS_SELF, (
ptr_t
)i);
+ pmm_free_page(KERNEL_PID, (
ptr_t
)i);
}
}
}
}
@@
-190,26
+171,33
@@
unlock_reserved_memory()
void
__do_reserved_memory(int unlock)
{
void
__do_reserved_memory(int unlock)
{
- multiboot_memory_map_t* mmaps = _k_init_mb_info->mmap_addr;
+ multiboot_memory_map_t* mmaps =
+ (multiboot_memory_map_t*)_k_init_mb_info->mmap_addr;
+
size_t map_size =
_k_init_mb_info->mmap_length / sizeof(multiboot_memory_map_t);
size_t map_size =
_k_init_mb_info->mmap_length / sizeof(multiboot_memory_map_t);
+
// v_mapping mapping;
for (unsigned int i = 0; i < map_size; i++) {
multiboot_memory_map_t mmap = mmaps[i];
// v_mapping mapping;
for (unsigned int i = 0; i < map_size; i++) {
multiboot_memory_map_t mmap = mmaps[i];
- uint8_t* pa = PG_ALIGN(mmap.addr_low);
+ ptr_t pa = PG_ALIGN(mmap.addr_low);
+
if (mmap.type == MULTIBOOT_MEMORY_AVAILABLE || pa <= MEM_4MB) {
// Don't fuck up our kernel code or any free area!
continue;
}
if (mmap.type == MULTIBOOT_MEMORY_AVAILABLE || pa <= MEM_4MB) {
// Don't fuck up our kernel code or any free area!
continue;
}
+
size_t pg_num = CEIL(mmap.len_low, PG_SIZE_BITS);
size_t j = 0;
size_t pg_num = CEIL(mmap.len_low, PG_SIZE_BITS);
size_t j = 0;
+
if (!unlock) {
kprintf("mem: freeze: %p..%p type=%x\n",
pa,
pa + pg_num * PG_SIZE,
mmap.type);
if (!unlock) {
kprintf("mem: freeze: %p..%p type=%x\n",
pa,
pa + pg_num * PG_SIZE,
mmap.type);
+
for (; j < pg_num; j++) {
for (; j < pg_num; j++) {
-
uint
ptr_t _pa = pa + (j << PG_SIZE_BITS);
+ ptr_t _pa = pa + (j << PG_SIZE_BITS);
if (_pa >= KERNEL_MM_BASE) {
// Don't fuck up our kernel space!
break;
if (_pa >= KERNEL_MM_BASE) {
// Don't fuck up our kernel space!
break;
@@
-218,6
+206,7
@@
__do_reserved_memory(int unlock)
pmm_mark_page_occupied(
KERNEL_PID, _pa >> PG_SIZE_BITS, PP_FGLOCKED);
}
pmm_mark_page_occupied(
KERNEL_PID, _pa >> PG_SIZE_BITS, PP_FGLOCKED);
}
+
// Save the progress for later unmapping.
mmaps[i].len_low = j * PG_SIZE;
} else {
// Save the progress for later unmapping.
mmaps[i].len_low = j * PG_SIZE;
} else {
@@
-225,8
+214,9
@@
__do_reserved_memory(int unlock)
pa,
pa + pg_num * PG_SIZE,
mmap.type);
pa,
pa + pg_num * PG_SIZE,
mmap.type);
+
for (; j < pg_num; j++) {
for (; j < pg_num; j++) {
-
uint
ptr_t _pa = pa + (j << PG_SIZE_BITS);
+ ptr_t _pa = pa + (j << PG_SIZE_BITS);
vmm_del_mapping(VMS_SELF, _pa);
if (mmap.type == MULTIBOOT_MEMORY_ACPI_RECLAIMABLE) {
pmm_mark_page_free(_pa >> PG_SIZE_BITS);
vmm_del_mapping(VMS_SELF, _pa);
if (mmap.type == MULTIBOOT_MEMORY_ACPI_RECLAIMABLE) {
pmm_mark_page_free(_pa >> PG_SIZE_BITS);