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cpiofs能够正常加载

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zhangzheng
2024-04-10 15:35:35 +08:00
parent 12aa44316f
commit 321f18d77c
26 changed files with 351 additions and 457 deletions
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67
mkrtos_knl/knl/sys.c
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@@ -8,31 +8,37 @@
* @copyright Copyright (c) 2023
*
*/
#include "log.h"
#include "arch.h"
#include "factory.h"
#include "kobject.h"
#include "globals.h"
#include "init.h"
#include "kobject.h"
#include "log.h"
#include "mm_wrap.h"
#include "printk.h"
#include "types.h"
#include "util.h"
#include "arch.h"
#include "mm_wrap.h"
#if IS_ENABLED(CONFIG_MMU)
#include <vma.h>
#endif
#include <cpio.h>
#include <globals.h>
#include <task.h>
#include <thread.h>
typedef struct sys
{
typedef struct sys {
kobject_t kobj;
} sys_t;
static sys_t sys_obj;
enum sys_op
{
enum sys_op {
SYS_INFO_GET,
REBOOT,
MEM_INFO,
DIS_IRQ,
};
#define SYS_FLAGS_MAP_CPIO_FS 0x1
static void sys_syscall(kobject_t *kobj, syscall_prot_t sys_p, msg_tag_t in_tag, entry_frame_t *f);
static void sys_reg(void)
@@ -45,35 +51,39 @@ INIT_KOBJ(sys_reg);
static void sys_syscall(kobject_t *kobj, syscall_prot_t sys_p, msg_tag_t in_tag, entry_frame_t *f)
{
int ret = 0;
msg_tag_t tag = msg_tag_init4(0, 0, 0, -EINVAL);
if (sys_p.prot != SYS_PROT)
{
if (sys_p.prot != SYS_PROT) {
f->regs[0] = msg_tag_init4(0, 0, 0, -EPROTO).raw;
return;
}
switch (sys_p.op)
{
case SYS_INFO_GET:
{
switch (sys_p.op) {
case SYS_INFO_GET: {
umword_t flags = f->regs[0];
addr_t cpio_addr;
f->regs[1] = sys_tick_cnt_get();
#if IS_ENABLED(CONFIG_MMU)
f->regs[2] = CONFIG_BOOT_FS_VADDR;
if (flags & SYS_FLAGS_MAP_CPIO_FS) {
ret = task_vma_alloc(&(thread_get_current_task()->mm_space.mem_vma),
vma_addr_create(VPAGE_PROT_RO, VMA_ADDR_RESV, 0),
cpio_get_size(cpio_images), (paddr_t)cpio_images, &cpio_addr);
f->regs[2] = cpio_addr;
} else {
f->regs[2] = CONFIG_BOOT_FS_VADDR;
}
#else
f->regs[2] = CONFIG_KNL_TEXT_ADDR + CONFIG_BOOTFS_OFFSET;
#endif
f->regs[3] = arch_get_sys_clk();
tag = msg_tag_init4(0, 0, 0, 0);
}
break;
case REBOOT:
{
tag = msg_tag_init4(0, 0, 0, ret);
} break;
case REBOOT: {
printk("sys reboot.\n");
sys_reset();
tag = msg_tag_init4(0, 0, 0, 0);
}
break;
case MEM_INFO:
{
} break;
case MEM_INFO: {
size_t total;
size_t free;
@@ -81,14 +91,11 @@ static void sys_syscall(kobject_t *kobj, syscall_prot_t sys_p, msg_tag_t in_tag,
f->regs[1] = total;
f->regs[2] = free;
tag = msg_tag_init4(0, 0, 0, 0);
}
break;
case DIS_IRQ:
{
} break;
case DIS_IRQ: {
arch_disable_irq(f->regs[0]);
tag = msg_tag_init4(0, 0, 0, 0);
}
break;
} break;
default:
tag = msg_tag_init4(0, 0, 0, -ENOSYS);
break;