修复ACPI驱动无法处理电源键问题

apps/base_service/service.c

@@ -1,7 +1,6 @@
 #include "../include/stdio.h"
 
 int main(){
-    debug_test();
     while (1);
     return 0;
 }

apps/include/stdio.h

@@ -1,7 +1,6 @@
 #ifndef CRASHPOWEROS_STDIO_H
 #define CRASHPOWEROS_STDIO_H
 
-void put_char();
-void debug_test();
+void put_char(char a);
 
 #endif

apps/init/init.c

@@ -4,19 +4,8 @@ void hlt(){
     while (1);
 }
 
-void putc(char c){
-    asm ("push %%eax\n"
-         "push %%edx\n"
-         "mov %0,%%edx\n"
-         "mov $0x1,%%eax\n"
-         "int $31\n"
-         "pop %%edx\n"
-         "pop %%eax\n"::"m"(c));
-}
-
 int main(){
-    //putc('A');
-    put_char();
+    put_char('A');
     hlt();
     return 0;
 }

apps/libs/syscall.asm

@@ -1,16 +1,8 @@
 global put_char
-global debug_test
 
 put_char:
-    push	eax
-    mov eax,0x01
+    push eax
+    mov eax, 21h
     int 31h
-    pop	eax
-    ret
-
-debug_test:
-    push edx
-    mov edx,0x02
-    int 31h
-    pop edx
+    pop eax
     ret

src/boot/asmfunc.asm

@@ -1,5 +1,6 @@
 global taskX_switch
 global asm_syscall_handler
+global panic
 
 taskX_switch:
     mov eax, [esp+4]
@@ -14,32 +15,25 @@ taskX_switch:
 
     ret
 
-extern syscall_handler
+extern syscall
+
 
 asm_syscall_handler:
-    cli
-    push byte 0
-    push 80h
+    push ds
+    push es
+    push fs
+    push gs
     pusha
-
-    mov ax, ds
-    push eax ; 存储ds
-
-    mov ax, 0x10 ; 将内核数据段赋值给各段
-    mov ds, ax
-    mov es, ax
-    mov fs, ax
-    mov gs, ax
-    call syscall_handler
-    pop eax ; 恢复
-    mov ds, ax
-    mov es, ax
-    mov fs, ax
-    mov gs, ax
-
+    call syscall
+    mov dword [esp+28], eax
     popa
+    pop gs
+    pop fs
+    pop es
+    pop ds
+    IRETD
 
-    add esp, 8 ; 弹出错误码和中断ID
-    iret
+panic:
+    ret;JMP 0xffff0
 
 

src/include/syscall.h

@@ -3,7 +3,10 @@
 
 #include <stddef.h>
 
-#define SYSCALL_NUM 10
+#define MAX_SYSCALLS 256
+
+#define SYSCALL_PUTC 1
+#define SYSCALL_PRINT 2
 
 #define DEFN_SYSCALL0(fn, num) \
 int syscall_##fn() \

src/kernel/kernel.c

@@ -114,7 +114,6 @@ void kernel_main(multiboot_t *multiboot) {
             }
         }
     }
-    init_eh();
     hasFS = false;
     if(disk_id != '0'){
         if(vfs_change_disk(disk_id)){
@@ -128,6 +127,7 @@ void kernel_main(multiboot_t *multiboot) {
     if(pcnet_init){
         //init_pcnet_card();
     }
+    init_eh();
     klogf(true,"Kernel load done!\n");
     kernel_thread(sound_test,NULL,"Sound");
 
@@ -135,16 +135,15 @@ void kernel_main(multiboot_t *multiboot) {
 
     clock_sleep(25);
 
-   // vfs_change_path("apps");
+    vfs_change_path("apps");
     //klogf(user_process("service.bin","Service") != -1,"Service base process init.\n");
-    //klogf(user_process("init.bin","Init") != -1,"Init base process init.\n");
+    klogf(user_process("init.bin","Init") != -1,"Init base process init.\n");
 
     int pid = kernel_thread(setup_shell,NULL,"CPOS-Shell");
     klogf(pid != -1,"Launch kernel shell.\n");
     kernel_thread(check_task,&pid,"CPOS-CK");
 
-
-    //panic_pane("Proccess out of memory error!",OUT_OF_MEMORY);
+    //panic_pane("System out of memory error!",OUT_OF_MEMORY);
 
     for (;;) {
         io_hlt();

src/kernel/page.c

@@ -224,7 +224,7 @@ void init_page(multiboot_t *mboot) {
     current_directory = kernel_directory;
     int i = 0;
 
-    while (i < placement_address + 0x30000) {
+    while (i < placement_address + 0x50000) {
         /*
          * 内核部分对ring3而言不可读不可写
          * 无偏移页表映射

src/kernel/panic.c

@@ -33,7 +33,7 @@ static GP_13(registers_t *reg){
 
 static UD_6(registers_t *reg){
     if(current->pid == 0){
-        printf("Kernel PANIC(#GP), Please restart your CPOS Kernel.\n");
+        printf("Kernel PANIC(#UD), Please restart your CPOS Kernel.\n");
         while(1) io_hlt();
     }else {
         task_kill(current->pid);
@@ -47,7 +47,7 @@ void panic_pane(char* msg,enum PANIC_TYPE type){
     color = 0xffffff;
     screen_clear();
     if(panic_bmp != NULL){
-        display(panic_bmp,0,0,false);
+        display(panic_bmp,0,0,true);
     } else klogf(false,"Cannot draw panic image.\n");
 
     cx = 10;
@@ -78,10 +78,10 @@ void panic_pane(char* msg,enum PANIC_TYPE type){
 void init_eh(){
     register_interrupt_handler(13,GP_13);
     register_interrupt_handler(6,UD_6);
-
-    if(vfs_change_disk('B')){
+    panic_bmp = NULL;
+    //if(vfs_change_disk('B')){
         uint32_t size = vfs_filesize("panic.bmp");
-        panic_bmp = NULL;
+
         if(size == -1){
             klogf(false,"Enable graphics user interface panic.\n");
         } else{
@@ -90,5 +90,5 @@ void init_eh(){
             panic_bmp = bmp;
             klogf(true,"Enable graphics user interface panic.\n");
         }
-    }
+    //}
 }

src/kernel/syscall.c

@@ -7,7 +7,8 @@
 
 void syscall_handler(registers_t regs){
     io_cli();
-    printf("Syscall is enable. EAX: %08x\n",regs.eax);
+    register uint32_t eax asm("eax");
+    printf("Syscall is enable. EAX: %08x PHIEAX: %08x\n",regs.eax,eax);
     if(regs.eax == 0x01){
         putchar((regs.edx));
     }
@@ -15,6 +16,31 @@ void syscall_handler(registers_t regs){
     return;
 }
 
-void syscall_install(){
-    register_interrupt_handler(31,syscall_handler);
+void *sycall_handlers[MAX_SYSCALLS] = {
+        [SYSCALL_PUTC] = putchar,
+        [SYSCALL_PRINT] = print,
+};
+
+typedef size_t (*syscall_t)(size_t, size_t, size_t, size_t, size_t);
+
+size_t syscall() {
+    volatile size_t eax, ebx, ecx, edx, esi, edi;
+    asm("mov %%eax, %0\n\t" : "=r"(eax));
+    asm("mov %%ebx, %0\n\t" : "=r"(ebx));
+    asm("mov %%ecx, %0\n\t" : "=r"(ecx));
+    asm("mov %%edx, %0\n\t" : "=r"(edx));
+    asm("mov %%esi, %0\n\t" : "=r"(esi));
+    asm("mov %%edi, %0\n\t" : "=r"(edi));
+    printf("eax: %d, ebx: %d, ecx: %d, edx: %d, esi: %d, edi: %d\n", eax, ebx, ecx, edx, esi, edi);
+    if (0 <= eax && eax < MAX_SYSCALLS && sycall_handlers[eax] != NULL) {
+        eax = ((syscall_t)sycall_handlers[eax])(ebx, ecx, edx, esi, edi);
+    } else {
+        eax = -1;
+    }
+    return eax;
+}
+
+void syscall_install(){
+    extern void asm_syscall_handler();
+    idt_use_reg(31,asm_syscall_handler);
 }

src/kernel/task.c

@@ -237,16 +237,11 @@ int32_t user_process(char *path, char *name){ // 用户进程创建
         printf("Unknown exec file format.\n");
         return -1;
     }
+    printf("Process Main Address: %08x\n",ehdr->e_entry);
+    uint32_t main = ehdr->e_entry;
+    load_elf(ehdr,page);
 
-    /*
-    uint32_t alloc_addr = (elf32_get_max_vaddr((Elf32_Ehdr *)ehdr) & 0xfffff000) + 0x1000;
-    uint32_t pg         = padding_up( 0xf00000, 0x1000);
-    for (int i = 0; i < pg + 128; i++) {
-        alloc_frame(get_page(alloc_addr + i * 0x1000,1,page),0,1);
-    }
-     */
 
-    uint32_t main = load_elf(ehdr,page);
 
     uint32_t *stack_top = (uint32_t * )((uint32_t) new_task + STACK_SIZE); 
 

src/util/elf.c

@@ -32,6 +32,7 @@ void load_segment(Elf32_Phdr *phdr,page_directory_t *dir, void *elf) {
         alloc_frame(get_page(i,1,dir,false),0,1);
     }
     printf("VDDR: %08x elf: %08x offset: %08x filesz: %08x elf+offset: %08x\n",phdr->p_vaddr, elf , phdr->p_offset, phdr->p_filesz, elf + phdr->p_offset);
+    //if(phdr->p_vaddr == 0xaffff000) return;
     memcpy((void *)phdr->p_vaddr, elf + phdr->p_offset, phdr->p_filesz);
     if (phdr->p_memsz > phdr->p_filesz) { // 这个是bss段
         memset((void *)(phdr->p_vaddr + phdr->p_filesz), 0, phdr->p_memsz - phdr->p_filesz);
@@ -41,7 +42,9 @@ void load_segment(Elf32_Phdr *phdr,page_directory_t *dir, void *elf) {
 uint32_t load_elf(Elf32_Ehdr *hdr,page_directory_t *dir) {
     Elf32_Phdr *phdr = (Elf32_Phdr *)((uint32_t)hdr + hdr->e_phoff);
     for (int i = 0; i < hdr->e_phnum; i++) {
-        load_segment(phdr, (void *)hdr,dir);
+        if(phdr->p_type == PT_LOAD ){
+            load_segment(phdr,dir,(void *)hdr);
+        }
         phdr++;
     }
     return hdr->e_entry;