diff --git a/08_day/!cons_9x.bat b/08_day/!cons_9x.bat new file mode 100644 index 0000000..e42252a --- /dev/null +++ b/08_day/!cons_9x.bat @@ -0,0 +1 @@ +command \ No newline at end of file diff --git a/08_day/!cons_nt.bat b/08_day/!cons_nt.bat new file mode 100644 index 0000000..6e07473 --- /dev/null +++ b/08_day/!cons_nt.bat @@ -0,0 +1 @@ +cmd.exe \ No newline at end of file diff --git a/08_day/Makefile b/08_day/Makefile new file mode 100644 index 0000000..2bda89c --- /dev/null +++ b/08_day/Makefile @@ -0,0 +1,93 @@ +OBJS_BOOTPACK = bootpack.obj naskfunc.obj hankaku.obj graphic.obj dsctbl.obj \ + int.obj fifo.obj + +TOOLPATH = ../z_tools/ +INCPATH = ../z_tools/haribote/ + +MAKE = $(TOOLPATH)make.exe -r +NASK = $(TOOLPATH)nask.exe +CC1 = $(TOOLPATH)cc1.exe -I$(INCPATH) -Os -Wall -quiet +GAS2NASK = $(TOOLPATH)gas2nask.exe -a +OBJ2BIM = $(TOOLPATH)obj2bim.exe +MAKEFONT = $(TOOLPATH)makefont.exe +BIN2OBJ = $(TOOLPATH)bin2obj.exe +BIM2HRB = $(TOOLPATH)bim2hrb.exe +RULEFILE = $(TOOLPATH)haribote/haribote.rul +EDIMG = $(TOOLPATH)edimg.exe +IMGTOL = $(TOOLPATH)imgtol.com +COPY = copy +DEL = del + +# 默认动作 + +default : + $(MAKE) img + +# 镜像文件生成 + +ipl10.bin : ipl10.nas Makefile + $(NASK) ipl10.nas ipl10.bin ipl10.lst + +asmhead.bin : asmhead.nas Makefile + $(NASK) asmhead.nas asmhead.bin asmhead.lst + +hankaku.bin : hankaku.txt Makefile + $(MAKEFONT) hankaku.txt hankaku.bin + +hankaku.obj : hankaku.bin Makefile + $(BIN2OBJ) hankaku.bin hankaku.obj _hankaku + +bootpack.bim : $(OBJS_BOOTPACK) Makefile + $(OBJ2BIM) @$(RULEFILE) out:bootpack.bim stack:3136k map:bootpack.map \ + $(OBJS_BOOTPACK) +# 3MB+64KB=3136KB + +bootpack.hrb : bootpack.bim Makefile + $(BIM2HRB) bootpack.bim bootpack.hrb 0 + +haribote.sys : asmhead.bin bootpack.hrb Makefile + copy /B asmhead.bin+bootpack.hrb haribote.sys + +haribote.img : ipl10.bin haribote.sys Makefile + $(EDIMG) imgin:../z_tools/fdimg0at.tek \ + wbinimg src:ipl10.bin len:512 from:0 to:0 \ + copy from:haribote.sys to:@: \ + imgout:haribote.img + +# 其他指令 + +%.gas : %.c Makefile + $(CC1) -o $*.gas $*.c + +%.nas : %.gas Makefile + $(GAS2NASK) $*.gas $*.nas + +%.obj : %.nas Makefile + $(NASK) $*.nas $*.obj $*.lst + +# 运行程序 + +img : + $(MAKE) haribote.img + +run : + $(MAKE) img + $(COPY) haribote.img ..\z_tools\qemu\fdimage0.bin + $(MAKE) -C ../z_tools/qemu + +install : + $(MAKE) img + $(IMGTOL) w a: haribote.img + +clean : + -$(DEL) *.bin + -$(DEL) *.lst + -$(DEL) *.obj + -$(DEL) bootpack.map + -$(DEL) bootpack.bim + -$(DEL) bootpack.hrb + -$(DEL) haribote.sys + +src_only : + $(MAKE) clean + -$(DEL) haribote.img diff --git a/08_day/asmhead.nas b/08_day/asmhead.nas new file mode 100644 index 0000000..c5bce1b --- /dev/null +++ b/08_day/asmhead.nas @@ -0,0 +1,146 @@ +; haribote-os boot asm +; TAB=4 + +BOTPAK EQU 0x00280000 ; 加载bootpack +DSKCAC EQU 0x00100000 ; 磁盘缓存的位置 +DSKCAC0 EQU 0x00008000 ; 磁盘缓存的位置（实模式） + +; BOOT_INFO相关 +CYLS EQU 0x0ff0 ; 引导扇区设置 +LEDS EQU 0x0ff1 +VMODE EQU 0x0ff2 ; 关于颜色的信息 +SCRNX EQU 0x0ff4 ; 分辨率X +SCRNY EQU 0x0ff6 ; 分辨率Y +VRAM EQU 0x0ff8 ; 图像缓冲区的起始地址 + + ORG 0xc200 ; 这个的程序要被装载的内存地址 + +; 画面モードを設定 + + MOV AL,0x13 ; VGA显卡，320x200x8bit + MOV AH,0x00 + INT 0x10 + MOV BYTE [VMODE],8 ; 屏幕的模式（参考C语言的引用） + MOV WORD [SCRNX],320 + MOV WORD [SCRNY],200 + MOV DWORD [VRAM],0x000a0000 + +; 通过BIOS获取指示灯状态 + + MOV AH,0x02 + INT 0x16 ; keyboard BIOS + MOV [LEDS],AL + +; 防止PIC接受所有中断 +; AT兼容机的规范、PIC初始化 +; 然后之前在CLI不做任何事就挂起 +; PIC在同意后初始化 + + MOV AL,0xff + OUT 0x21,AL + NOP ; 不断执行OUT指令 + OUT 0xa1,AL + + CLI ; 进一步中断CPU + +; 让CPU支持1M以上内存、设置A20GATE + + CALL waitkbdout + MOV AL,0xd1 + OUT 0x64,AL + CALL waitkbdout + MOV AL,0xdf ; enable A20 + OUT 0x60,AL + CALL waitkbdout + +; 保护模式转换 + +[INSTRSET "i486p"] ; 说明使用486指令 + + LGDT [GDTR0] ; 设置临时GDT + MOV EAX,CR0 + AND EAX,0x7fffffff ; 使用bit31（禁用分页） + OR EAX,0x00000001 ; bit0到1转换（保护模式过渡） + MOV CR0,EAX + JMP pipelineflush +pipelineflush: + MOV AX,1*8 ; 写32bit的段 + MOV DS,AX + MOV ES,AX + MOV FS,AX + MOV GS,AX + MOV SS,AX + +; bootpack传递 + + MOV ESI,bootpack ; 源 + MOV EDI,BOTPAK ; 目标 + MOV ECX,512*1024/4 + CALL memcpy + +; 传输磁盘数据 + +; 从引导区开始 + + MOV ESI,0x7c00 ; 源 + MOV EDI,DSKCAC ; 目标 + MOV ECX,512/4 + CALL memcpy + +; 剩余的全部 + + MOV ESI,DSKCAC0+512 ; 源 + MOV EDI,DSKCAC+512 ; 目标 + MOV ECX,0 + MOV CL,BYTE [CYLS] + IMUL ECX,512*18*2/4 ; 除以4得到字节数 + SUB ECX,512/4 ; IPL偏移量 + CALL memcpy + +; 由于还需要asmhead才能完成 +; 完成其余的bootpack任务 + +; bootpack启动 + + MOV EBX,BOTPAK + MOV ECX,[EBX+16] + ADD ECX,3 ; ECX += 3; + SHR ECX,2 ; ECX /= 4; + JZ skip ; 传输完成 + MOV ESI,[EBX+20] ; 源 + ADD ESI,EBX + MOV EDI,[EBX+12] ; 目标 + CALL memcpy +skip: + MOV ESP,[EBX+12] ; 堆栈的初始化 + JMP DWORD 2*8:0x0000001b + +waitkbdout: + IN AL,0x64 + AND AL,0x02 + JNZ waitkbdout ; AND结果不为0跳转到waitkbdout + RET + +memcpy: + MOV EAX,[ESI] + ADD ESI,4 + MOV [EDI],EAX + ADD EDI,4 + SUB ECX,1 + JNZ memcpy ; 运算结果不为0跳转到memcpy + RET +; memcpy地址前缀大小 + + ALIGNB 16 +GDT0: + RESB 8 ; 初始值 + DW 0xffff,0x0000,0x9200,0x00cf ; 写32bit位段寄存器 + DW 0xffff,0x0000,0x9a28,0x0047 ; 可执行的文件的32bit寄存器（bootpack用） + + DW 0 +GDTR0: + DW 8*3-1 + DD GDT0 + + ALIGNB 16 +bootpack: diff --git a/08_day/bootpack.c b/08_day/bootpack.c new file mode 100644 index 0000000..8d2618d --- /dev/null +++ b/08_day/bootpack.c @@ -0,0 +1,99 @@ +/* bootpackのメイン */ + +#include "bootpack.h" +#include + +extern struct FIFO8 keyfifo, mousefifo; +void enable_mouse(void); +void init_keyboard(void); + +void HariMain(void) +{ + struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO; + char s[40], mcursor[256], keybuf[32], mousebuf[128]; + int mx, my, i; + + init_gdtidt(); + init_pic(); + io_sti(); /* IDT/PICの初期化が終わったのでCPUの割り込み禁止を解除 */ + + fifo8_init(&keyfifo, 32, keybuf); + fifo8_init(&mousefifo, 128, mousebuf); + io_out8(PIC0_IMR, 0xf9); /* PIC1とキーボードを許可(11111001) */ + io_out8(PIC1_IMR, 0xef); /* マウスを許可(11101111) */ + + init_keyboard(); + + init_palette(); + init_screen8(binfo->vram, binfo->scrnx, binfo->scrny); + mx = (binfo->scrnx - 16) / 2; /* 计算画面中心坐标 */ + my = (binfo->scrny - 28 - 16) / 2; + init_mouse_cursor8(mcursor, COL8_008484); + putblock8_8(binfo->vram, binfo->scrnx, 16, 16, mx, my, mcursor, 16); + sprintf(s, "(%d, %d)", mx, my); + putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s); + + enable_mouse(); + + for (;;) { + io_cli(); + if (fifo8_status(&keyfifo) + fifo8_status(&mousefifo) == 0) { + io_stihlt(); + } else { + if (fifo8_status(&keyfifo) != 0) { + i = fifo8_get(&keyfifo); + io_sti(); + sprintf(s, "%02X", i); + boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 0, 16, 15, 31); + putfonts8_asc(binfo->vram, binfo->scrnx, 0, 16, COL8_FFFFFF, s); + } else if (fifo8_status(&mousefifo) != 0) { + i = fifo8_get(&mousefifo); + io_sti(); + sprintf(s, "%02X", i); + boxfill8(binfo->vram, binfo->scrnx, COL8_008484, 32, 16, 47, 31); + putfonts8_asc(binfo->vram, binfo->scrnx, 32, 16, COL8_FFFFFF, s); + } + } + } +} + +#define PORT_KEYDAT 0x0060 +#define PORT_KEYSTA 0x0064 +#define PORT_KEYCMD 0x0064 +#define KEYSTA_SEND_NOTREADY 0x02 +#define KEYCMD_WRITE_MODE 0x60 +#define KBC_MODE 0x47 + +void wait_KBC_sendready(void) +{ + /* 等待键盘控制电路准备完毕 */ + for (;;) { + if ((io_in8(PORT_KEYSTA) & KEYSTA_SEND_NOTREADY) == 0) { + break; + } + } + return; +} + +void init_keyboard(void) +{ + /* 初始化键盘控制电路 */ + wait_KBC_sendready(); + io_out8(PORT_KEYCMD, KEYCMD_WRITE_MODE); + wait_KBC_sendready(); + io_out8(PORT_KEYDAT, KBC_MODE); + return; +} + +#define KEYCMD_SENDTO_MOUSE 0xd4 +#define MOUSECMD_ENABLE 0xf4 + +void enable_mouse(void) +{ + /* 激活鼠标 */ + wait_KBC_sendready(); + io_out8(PORT_KEYCMD, KEYCMD_SENDTO_MOUSE); + wait_KBC_sendready(); + io_out8(PORT_KEYDAT, MOUSECMD_ENABLE); + return; /* 顺利的话，键盘控制器会返回ACK(0xfa) */ +} \ No newline at end of file diff --git a/08_day/bootpack.h b/08_day/bootpack.h new file mode 100644 index 0000000..650af9c --- /dev/null +++ b/08_day/bootpack.h @@ -0,0 +1,102 @@ +/* asmhead.nas */ +struct BOOTINFO { /* 0x0ff0-0x0fff */ + char cyls; /* 启动区读磁盘读到此为止 */ + char leds; /* 启动时键盘的LED的状态 */ + char vmode; /* 显卡模式为多少位彩色 */ + char reserve; + short scrnx, scrny; /* 画面分辨率 */ + char *vram; +}; +#define ADR_BOOTINFO 0x00000ff0 + +/* naskfunc.nas */ +void io_hlt(void); +void io_cli(void); +void io_sti(void); +void io_out8(int port, int data); +int io_load_eflags(void); +void io_store_eflags(int eflags); +void load_gdtr(int limit, int addr); +void load_idtr(int limit, int addr); +void asm_inthandler21(void); +void asm_inthandler27(void); +void asm_inthandler2c(void); + +/* fifo.c */ +struct FIFO8 { + unsigned char *buf; + int p, q, size, free, flags; +}; +void fifo8_init(struct FIFO8 *fifo, int size, unsigned char *buf); +int fifo8_put(struct FIFO8 *fifo, unsigned char data); +int fifo8_get(struct FIFO8 *fifo); +int fifo8_status(struct FIFO8 *fifo); + +/* graphic.c */ +void init_palette(void); +void set_palette(int start, int end, unsigned char *rgb); +void boxfill8(unsigned char *vram, int xsize, unsigned char c, int x0, int y0, int x1, int y1); +void init_screen8(char *vram, int x, int y); +void putfont8(char *vram, int xsize, int x, int y, char c, char *font); +void putfonts8_asc(char *vram, int xsize, int x, int y, char c, unsigned char *s); +void init_mouse_cursor8(char *mouse, char bc); +void putblock8_8(char *vram, int vxsize, int pxsize, + int pysize, int px0, int py0, char *buf, int bxsize); +#define COL8_000000 0 +#define COL8_FF0000 1 +#define COL8_00FF00 2 +#define COL8_FFFF00 3 +#define COL8_0000FF 4 +#define COL8_FF00FF 5 +#define COL8_00FFFF 6 +#define COL8_FFFFFF 7 +#define COL8_C6C6C6 8 +#define COL8_840000 9 +#define COL8_008400 10 +#define COL8_848400 11 +#define COL8_000084 12 +#define COL8_840084 13 +#define COL8_008484 14 +#define COL8_848484 15 + +/* dsctbl.c */ +struct SEGMENT_DESCRIPTOR { + short limit_low, base_low; + char base_mid, access_right; + char limit_high, base_high; +}; +struct GATE_DESCRIPTOR { + short offset_low, selector; + char dw_count, access_right; + short offset_high; +}; +void init_gdtidt(void); +void set_segmdesc(struct SEGMENT_DESCRIPTOR *sd, unsigned int limit, int base, int ar); +void set_gatedesc(struct GATE_DESCRIPTOR *gd, int offset, int selector, int ar); +#define ADR_IDT 0x0026f800 +#define LIMIT_IDT 0x000007ff +#define ADR_GDT 0x00270000 +#define LIMIT_GDT 0x0000ffff +#define ADR_BOTPAK 0x00280000 +#define LIMIT_BOTPAK 0x0007ffff +#define AR_DATA32_RW 0x4092 +#define AR_CODE32_ER 0x409a +#define AR_INTGATE32 0x008e + +/* int.c */ +void init_pic(void); +void inthandler21(int *esp); +void inthandler27(int *esp); +void inthandler2c(int *esp); +#define PIC0_ICW1 0x0020 +#define PIC0_OCW2 0x0020 +#define PIC0_IMR 0x0021 +#define PIC0_ICW2 0x0021 +#define PIC0_ICW3 0x0021 +#define PIC0_ICW4 0x0021 +#define PIC1_ICW1 0x00a0 +#define PIC1_OCW2 0x00a0 +#define PIC1_IMR 0x00a1 +#define PIC1_ICW2 0x00a1 +#define PIC1_ICW3 0x00a1 +#define PIC1_ICW4 0x00a1 diff --git a/08_day/dsctbl.c b/08_day/dsctbl.c new file mode 100644 index 0000000..6735c6d --- /dev/null +++ b/08_day/dsctbl.c @@ -0,0 +1,56 @@ +/* GDT、IDT、descriptor table 关系处理 */ + +#include "bootpack.h" + +void init_gdtidt(void) +{ + struct SEGMENT_DESCRIPTOR *gdt = (struct SEGMENT_DESCRIPTOR *) ADR_GDT; + struct GATE_DESCRIPTOR *idt = (struct GATE_DESCRIPTOR *) ADR_IDT; + int i; + + /* GDT初始化 */ + for (i = 0; i <= LIMIT_GDT / 8; i++) { + set_segmdesc(gdt + i, 0, 0, 0); + } + set_segmdesc(gdt + 1, 0xffffffff, 0x00000000, AR_DATA32_RW); + set_segmdesc(gdt + 2, LIMIT_BOTPAK, ADR_BOTPAK, AR_CODE32_ER); + load_gdtr(LIMIT_GDT, ADR_GDT); + + /* IDT初始化 */ + for (i = 0; i <= LIMIT_IDT / 8; i++) { + set_gatedesc(idt + i, 0, 0, 0); + } + load_idtr(LIMIT_IDT, ADR_IDT); + + /* IDT设置*/ + set_gatedesc(idt + 0x21, (int) asm_inthandler21, 2 * 8, AR_INTGATE32); + set_gatedesc(idt + 0x27, (int) asm_inthandler27, 2 * 8, AR_INTGATE32); + set_gatedesc(idt + 0x2c, (int) asm_inthandler2c, 2 * 8, AR_INTGATE32); + + return; +} + +void set_segmdesc(struct SEGMENT_DESCRIPTOR *sd, unsigned int limit, int base, int ar) +{ + if (limit > 0xfffff) { + ar |= 0x8000; /* G_bit = 1 */ + limit /= 0x1000; + } + sd->limit_low = limit & 0xffff; + sd->base_low = base & 0xffff; + sd->base_mid = (base >> 16) & 0xff; + sd->access_right = ar & 0xff; + sd->limit_high = ((limit >> 16) & 0x0f) | ((ar >> 8) & 0xf0); + sd->base_high = (base >> 24) & 0xff; + return; +} + +void set_gatedesc(struct GATE_DESCRIPTOR *gd, int offset, int selector, int ar) +{ + gd->offset_low = offset & 0xffff; + gd->selector = selector; + gd->dw_count = (ar >> 8) & 0xff; + gd->access_right = ar & 0xff; + gd->offset_high = (offset >> 16) & 0xffff; + return; +} diff --git a/08_day/fifo.c b/08_day/fifo.c new file mode 100644 index 0000000..f582a49 --- /dev/null +++ b/08_day/fifo.c @@ -0,0 +1,57 @@ +/* FIFO */ + +#include "bootpack.h" + +#define FLAGS_OVERRUN 0x0001 + +void fifo8_init(struct FIFO8 *fifo, int size, unsigned char *buf) +/* 初始化FIFO缓冲区 */ +{ + fifo->size = size; + fifo->buf = buf; + fifo->free = size; /* 缓冲区大小 */ + fifo->flags = 0; + fifo->p = 0; /* 下一个数据写入位置 */ + fifo->q = 0; /* 下一个数据读出位置 */ + return; +} + +int fifo8_put(struct FIFO8 *fifo, unsigned char data) +/* 向FIFO传送数据并保存 */ +{ + if (fifo->free == 0) { + /* 没有空间了，溢出 */ + fifo->flags |= FLAGS_OVERRUN; + return -1; + } + fifo->buf[fifo->p] = data; + fifo->p++; + if (fifo->p == fifo->size) { + fifo->p = 0; + } + fifo->free--; + return 0; +} + +int fifo8_get(struct FIFO8 *fifo) +/* 从FIFO取得一个数据 */ +{ + int data; + if (fifo->free == fifo->size) { + /* 如果缓冲区为空则返回-1 */ + return -1; + } + data = fifo->buf[fifo->q]; + fifo->q++; + if (fifo->q == fifo->size) { + fifo->q = 0; + } + fifo->free++; + return data; +} + +int fifo8_status(struct FIFO8 *fifo) +/* 报告一下积攒是数据量 */ +{ + return fifo->size - fifo->free; +} diff --git a/08_day/graphic.c b/08_day/graphic.c new file mode 100644 index 0000000..f2df123 --- /dev/null +++ b/08_day/graphic.c @@ -0,0 +1,157 @@ +/* 关于绘图部分的处理 */ + +#include "bootpack.h" + +void init_palette(void) +{ + static unsigned char table_rgb[16 * 3] = { + 0x00, 0x00, 0x00, /* 0:黑 */ + 0xff, 0x00, 0x00, /* 1:梁红 */ + 0x00, 0xff, 0x00, /* 2:亮绿 */ + 0xff, 0xff, 0x00, /* 3:亮黄 */ + 0x00, 0x00, 0xff, /* 4:亮蓝 */ + 0xff, 0x00, 0xff, /* 5:亮紫 */ + 0x00, 0xff, 0xff, /* 6:浅亮蓝 */ + 0xff, 0xff, 0xff, /* 7:白 */ + 0xc6, 0xc6, 0xc6, /* 8:亮灰 */ + 0x84, 0x00, 0x00, /* 9:暗红 */ + 0x00, 0x84, 0x00, /* 10:暗绿 */ + 0x84, 0x84, 0x00, /* 11:暗黄 */ + 0x00, 0x00, 0x84, /* 12:暗青 */ + 0x84, 0x00, 0x84, /* 13:暗紫 */ + 0x00, 0x84, 0x84, /* 14:浅暗蓝 */ + 0x84, 0x84, 0x84 /* 15:暗灰 */ + }; + set_palette(0, 15, table_rgb); + return; + + /* C语言中的static char语句只能用于数据，相当于汇编中的DB指令 */ +} + +void set_palette(int start, int end, unsigned char *rgb) +{ + int i, eflags; + eflags = io_load_eflags(); /* 记录中断许可标志的值 */ + io_cli(); /* 将中断许可标志置为0,禁止中断 */ + io_out8(0x03c8, start); + for (i = start; i <= end; i++) { + io_out8(0x03c9, rgb[0] / 4); + io_out8(0x03c9, rgb[1] / 4); + io_out8(0x03c9, rgb[2] / 4); + rgb += 3; + } + io_store_eflags(eflags); /* 复原中断许可标志 */ + return; +} + +void boxfill8(unsigned char *vram, int xsize, unsigned char c, int x0, int y0, int x1, int y1) +{ + int x, y; + for (y = y0; y <= y1; y++) { + for (x = x0; x <= x1; x++) + vram[y * xsize + x] = c; + } + return; +} + +void init_screen8(char *vram, int x, int y) +{ + boxfill8(vram, x, COL8_008484, 0, 0, x - 1, y - 29); + boxfill8(vram, x, COL8_C6C6C6, 0, y - 28, x - 1, y - 28); + boxfill8(vram, x, COL8_FFFFFF, 0, y - 27, x - 1, y - 27); + boxfill8(vram, x, COL8_C6C6C6, 0, y - 26, x - 1, y - 1); + + boxfill8(vram, x, COL8_FFFFFF, 3, y - 24, 59, y - 24); + boxfill8(vram, x, COL8_FFFFFF, 2, y - 24, 2, y - 4); + boxfill8(vram, x, COL8_848484, 3, y - 4, 59, y - 4); + boxfill8(vram, x, COL8_848484, 59, y - 23, 59, y - 5); + boxfill8(vram, x, COL8_000000, 2, y - 3, 59, y - 3); + boxfill8(vram, x, COL8_000000, 60, y - 24, 60, y - 3); + + boxfill8(vram, x, COL8_848484, x - 47, y - 24, x - 4, y - 24); + boxfill8(vram, x, COL8_848484, x - 47, y - 23, x - 47, y - 4); + boxfill8(vram, x, COL8_FFFFFF, x - 47, y - 3, x - 4, y - 3); + boxfill8(vram, x, COL8_FFFFFF, x - 3, y - 24, x - 3, y - 3); + return; +} + +void putfont8(char *vram, int xsize, int x, int y, char c, char *font) +{ + int i; + char *p, d /* data */; + for (i = 0; i < 16; i++) { + p = vram + (y + i) * xsize + x; + d = font[i]; + if ((d & 0x80) != 0) { p[0] = c; } + if ((d & 0x40) != 0) { p[1] = c; } + if ((d & 0x20) != 0) { p[2] = c; } + if ((d & 0x10) != 0) { p[3] = c; } + if ((d & 0x08) != 0) { p[4] = c; } + if ((d & 0x04) != 0) { p[5] = c; } + if ((d & 0x02) != 0) { p[6] = c; } + if ((d & 0x01) != 0) { p[7] = c; } + } + return; +} + +void putfonts8_asc(char *vram, int xsize, int x, int y, char c, unsigned char *s) +{ + extern char hankaku[4096]; + /* C语言中，字符串都是以0x00结尾 */ + for (; *s != 0x00; s++) { + putfont8(vram, xsize, x, y, c, hankaku + *s * 16); + x += 8; + } + return; +} + +void init_mouse_cursor8(char *mouse, char bc) +/* 鼠标的数据准备（16x16） */ +{ + static char cursor[16][16] = { + "**************..", + "*OOOOOOOOOOO*...", + "*OOOOOOOOOO*....", + "*OOOOOOOOO*.....", + "*OOOOOOOO*......", + "*OOOOOOO*.......", + "*OOOOOOO*.......", + "*OOOOOOOO*......", + "*OOOO**OOO*.....", + "*OOO*..*OOO*....", + "*OO*....*OOO*...", + "*O*......*OOO*..", + "**........*OOO*.", + "*..........*OOO*", + "............*OO*", + ".............***" + }; + int x, y; + + for (y = 0; y < 16; y++) { + for (x = 0; x < 16; x++) { + if (cursor[y][x] == '*') { + mouse[y * 16 + x] = COL8_000000; + } + if (cursor[y][x] == 'O') { + mouse[y * 16 + x] = COL8_FFFFFF; + } + if (cursor[y][x] == '.') { + mouse[y * 16 + x] = bc; + } + } + } + return; +} + +void putblock8_8(char *vram, int vxsize, int pxsize, + int pysize, int px0, int py0, char *buf, int bxsize) +{ + int x, y; + for (y = 0; y < pysize; y++) { + for (x = 0; x < pxsize; x++) { + vram[(py0 + y) * vxsize + (px0 + x)] = buf[y * bxsize + x]; + } + } + return; +} diff --git a/08_day/hankaku.txt b/08_day/hankaku.txt new file mode 100644 index 0000000..62d56f9 --- /dev/null +++ b/08_day/hankaku.txt @@ -0,0 +1,4609 @@ +OSASK̔ptHg𗬗p + +char 0x00 +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0x01 +........ +........ +..***... +.*...*.. +*.....*. +*.*.*.*. +*.*.*.*. +*.....*. +*.....*. +*.*.*.*. +*..*..*. +.*...*.. +..***... +........ +........ +........ + +char 0x02 +........ +........ +..***... +.*****.. +*******. +**.*.**. +**.*.**. +*******. +*******. +**.*.**. +***.***. +.*****.. +..***... +........ +........ +........ + +char 0x03 +........ +........ +........ +........ +.**.**.. +*******. +*******. +*******. +.*****.. +..***... +...*.... +........ +........ +........ +........ +........ + +char 0x04 +........ +........ +........ +........ +...*.... +..***... +.*****.. +*******. +.*****.. +..***... +...*.... +........ +........ +........ +........ +........ + +char 0x05 +........ +........ +........ +........ +...*.... +..***... +.*.*.*.. +*******. +.*.*.*.. +...*.... +..***... +........ +........ +........ +........ +........ + +char 0x06 +........ +........ +........ +........ +...*.... +..***... +.*****.. +*******. +**.*.**. +...*.... +..***... +........ +........ +........ +........ +........ + +char 0x07 +........ +........ +........ +........ +........ +........ +...**... +..****.. +..****.. +...**... +........ +........ +........ +........ +........ +........ + +char 0x08 +******** +******** +******** +******** +******** +******** +***..*** +**....** +**....** +***..*** +******** +******** +******** +******** +******** +******** + +char 0x09 +........ +........ +........ +........ +........ +..****.. +.**..**. +.*....*. +.*....*. +.**..**. +..****.. +........ +........ +........ +........ +........ + +char 0x0a +******** +******** +******** +******** +******** +**....** +*..**..* +*.****.* +*.****.* +*..**..* +**....** +******** +******** +******** +******** +******** + +char 0x0b +........ +...*.... +..***... +.*.*.*.. +*..*..*. +...*.... +...*.... +..***... +.*...*.. +*.....*. +*.....*. +*.....*. +.*...*.. +..***... +........ +........ + +char 0x0c +........ +..***... +.*...*.. +*.....*. +*.....*. +*.....*. +.*...*.. +..***... +...*.... +...*.... +*******. +...*.... +...*.... +...*.... +........ +........ + +char 0x0d +........ +........ +....**.. +....***. +....*.** +....*.** +....*.*. +....*... +....*... +...**... +.****... +*****... +.***.... +........ +........ +........ + +char 0x0e +........ +........ +...***** +...***** +...*...* +...*...* +...*...* +...*...* +...*...* +...*...* +.***.*** +******** +.**..**. +........ +........ +........ + +char 0x0f +........ +........ +........ +........ +...*.... +.*.*.*.. +..***... +..*.*... +..***... +.*.*.*.. +...*.... +........ +........ +........ +........ +........ + +char 0x10 +........ +*....... +**...... +***..... +****.... +*****... +******.. +*******. +******.. +*****... +****.... +***..... +**...... +*....... +........ +........ + +char 0x11 +........ +......*. +.....**. +....***. +...****. +..*****. +.******. +*******. +.******. +..*****. +...****. +....***. +.....**. +......*. +........ +........ + +char 0x12 +........ +........ +...*.... +..***... +.*.*.*.. +*..*..*. +...*.... +...*.... +...*.... +*..*..*. +.*.*.*.. +..***... +...*.... +........ +........ +........ + +char 0x13 +........ +........ +.*...*.. +.*...*.. +.*...*.. +.*...*.. +.*...*.. +.*...*.. +.*...*.. +.*...*.. +........ +........ +.*...*.. +.*...*.. +........ +........ + +char 0x14 +........ +..*****. +.*..*.*. +*...*.*. +*...*.*. +*...*.*. +*...*.*. +.*..*.*. +..***.*. +....*.*. +....*.*. +....*.*. +....*.*. +....*.*. +........ +........ + +char 0x15 +.*****.. +*.....*. +.*...... +..*..... +..***... +.*...*.. +*.....*. +*.....*. +*.....*. +.*...*.. +..***... +....*... +.....*.. +*.....*. +.*****.. +........ + +char 0x16 +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +*******. +*******. +*******. +........ +........ + +char 0x17 +........ +........ +...*.... +..***... +.*.*.*.. +*..*..*. +...*.... +...*.... +...*.... +*..*..*. +.*.*.*.. +..***... +...*.... +.*****.. +........ +........ + +char 0x18 +........ +...*.... +..***... +.*.*.*.. +*..*..*. +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +........ +........ + +char 0x19 +........ +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +*..*..*. +.*.*.*.. +..***... +...*.... +........ +........ + +char 0x1a +........ +........ +........ +........ +...*.... +....*... +.....*.. +*******. +.....*.. +....*... +...*.... +........ +........ +........ +........ +........ + +char 0x1b +........ +........ +........ +........ +...*.... +..*..... +.*...... +*******. +.*...... +..*..... +...*.... +........ +........ +........ +........ +........ + +char 0x1c +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +*....... +*....... +*******. +........ +........ + +char 0x1d +........ +........ +........ +........ +........ +..*.*... +.*...*.. +*******. +.*...*.. +..*.*... +........ +........ +........ +........ +........ +........ + +char 0x1e +........ +........ +........ +........ +...*.... +...*.... +..***... +..***... +.*****.. +.*****.. +*******. +*******. +........ +........ +........ +........ + +char 0x1f +........ +........ +........ +........ +*******. +*******. +.*****.. +.*****.. +..***... +..***... +...*.... +...*.... +........ +........ +........ +........ + +char 0x20 +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0x21 +........ +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +........ +........ +...*.... +...*.... +........ +........ + +char 0x22 +..*.*... +..*.*... +..*.*... +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0x23 +........ +.*...*.. +.*...*.. +.*...*.. +*******. +.*...*.. +.*...*.. +.*...*.. +.*...*.. +.*...*.. +*******. +.*...*.. +.*...*.. +.*...*.. +........ +........ + +char 0x24 +...*.... +..***.*. +.*.*.**. +*..*..*. +*..*..*. +*..*.... +.*.*.... +..***... +...*.*.. +...*..*. +*..*..*. +*..*..*. +**.*.*.. +*.***... +...*.... +...*.... + +char 0x25 +.**...*. +*..*..*. +*..*.*.. +*..*.*.. +.**.*... +....*... +...*.... +...*.... +..*..... +..*.**.. +.*.*..*. +.*.*..*. +*..*..*. +*...**.. +........ +........ + +char 0x26 +........ +.***.... +*...*... +*...*... +*...*... +*..*.... +.**..... +.*...*** +*.*...*. +*..*..*. +*...*.*. +*....*.. +.*...**. +..***..* +........ +........ + +char 0x27 +.....*.. +....*... +...*.... +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0x28 +......*. +.....*.. +....*... +....*... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +....*... +....*... +.....*.. +......*. +........ + +char 0x29 +*....... +.*...... +..*..... +..*..... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +..*..... +..*..... +.*...... +*....... +........ + +char 0x2a +........ +........ +........ +........ +........ +...*.... +*..*..*. +.*.*.*.. +..***... +.*.*.*.. +*..*..*. +...*.... +........ +........ +........ +........ + +char 0x2b +........ +........ +........ +........ +........ +...*.... +...*.... +...*.... +*******. +...*.... +...*.... +...*.... +........ +........ +........ +........ + +char 0x2c +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +...**... +...**... +....*... +....*... +...*.... + +char 0x2d +........ +........ +........ +........ +........ +........ +........ +........ +*******. +........ +........ +........ +........ +........ +........ +........ + +char 0x2e +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +...**... +...**... +........ +........ + +char 0x2f +......*. +......*. +.....*.. +.....*.. +....*... +....*... +....*... +...*.... +...*.... +..*..... +..*..... +.*...... +.*...... +.*...... +*....... +*....... + +char 0x30 +........ +...**... +..*..*.. +..*..*.. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +..*..*.. +..*..*.. +...**... +........ +........ + +char 0x31 +........ +....*... +...**... +..*.*... +....*... +....*... +....*... +....*... +....*... +....*... +....*... +....*... +....*... +..*****. +........ +........ + +char 0x32 +........ +...**... +..*..*.. +.*....*. +.*....*. +......*. +.....*.. +....*... +...*.... +..*..... +..*..... +.*...... +.*...... +.******. +........ +........ + +char 0x33 +........ +...**... +..*..*.. +.*....*. +......*. +......*. +.....*.. +...**... +.....*.. +......*. +......*. +.*....*. +..*..*.. +...**... +........ +........ + +char 0x34 +........ +....**.. +....**.. +....**.. +...*.*.. +...*.*.. +...*.*.. +..*..*.. +..*..*.. +.*...*.. +.******. +.....*.. +.....*.. +...****. +........ +........ + +char 0x35 +........ +.*****.. +.*...... +.*...... +.*...... +.*.**... +.**..*.. +......*. +......*. +......*. +......*. +.*....*. +..*..*.. +...**... +........ +........ + +char 0x36 +........ +...**... +..*..*.. +.*....*. +.*...... +.*.**... +.**..*.. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +..*..*.. +...**... +........ +........ + +char 0x37 +........ +.******. +.*....*. +.*....*. +.....*.. +.....*.. +....*... +....*... +....*... +...*.... +...*.... +...*.... +...*.... +..***... +........ +........ + +char 0x38 +........ +...**... +..*..*.. +.*....*. +.*....*. +.*....*. +..*..*.. +...**... +..*..*.. +.*....*. +.*....*. +.*....*. +..*..*.. +...**... +........ +........ + +char 0x39 +........ +...**... +..*..*.. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +..*..**. +...**.*. +......*. +.*....*. +..*..*.. +...**... +........ +........ + +char 0x3a +........ +........ +........ +........ +........ +...**... +...**... +........ +........ +........ +........ +........ +...**... +...**... +........ +........ + +char 0x3b +........ +........ +........ +........ +........ +...**... +...**... +........ +........ +........ +........ +...**... +...**... +....*... +....*... +...*.... + +char 0x3c +........ +......*. +.....*.. +....*... +...*.... +..*..... +.*...... +*....... +*....... +.*...... +..*..... +...*.... +....*... +.....*.. +......*. +........ + +char 0x3d +........ +........ +........ +........ +........ +........ +*******. +........ +........ +*******. +........ +........ +........ +........ +........ +........ + +char 0x3e +........ +*....... +.*...... +..*..... +...*.... +....*... +.....*.. +......*. +......*. +.....*.. +....*... +...*.... +..*..... +.*...... +*....... +........ + +char 0x3f +........ +..***... +.*...*.. +*.....*. +*.....*. +*.....*. +.....*.. +....*... +...*.... +...*.... +........ +........ +...**... +...**... +........ +........ + +char 0x40 +........ +..***... +.*...*.. +*.....*. +*..**.*. +*.*.*.*. +*.*.*.*. +*.*.*.*. +*.*.*.*. +*.*.*.*. +*..***.. +*....... +.*...**. +..***... +........ +........ + +char 0x41 +........ +...**... +...**... +...**... +...**... +..*..*.. +..*..*.. +..*..*.. +..*..*.. +.******. +.*....*. +.*....*. +.*....*. +***..*** +........ +........ + +char 0x42 +........ +****.... +.*..*... +.*...*.. +.*...*.. +.*...*.. +.*..*... +.****... +.*...*.. +.*....*. +.*....*. +.*....*. +.*...*.. +*****... +........ +........ + +char 0x43 +........ +..***.*. +.*...**. +.*....*. +*.....*. +*....... +*....... +*....... +*....... +*....... +*.....*. +.*....*. +.*...*.. +..***... +........ +........ + +char 0x44 +........ +*****... +.*...*.. +.*...*.. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*...*.. +.*...*.. +*****... +........ +........ + +char 0x45 +........ +*******. +.*....*. +.*....*. +.*...... +.*...... +.*...*.. +.*****.. +.*...*.. +.*...... +.*...... +.*....*. +.*....*. +*******. +........ +........ + +char 0x46 +........ +*******. +.*....*. +.*....*. +.*...... +.*...... +.*...*.. +.*****.. +.*...*.. +.*...*.. +.*...... +.*...... +.*...... +****.... +........ +........ + +char 0x47 +........ +..***.*. +.*...**. +.*....*. +*.....*. +*....... +*....... +*..****. +*.....*. +*.....*. +*.....*. +.*....*. +.*...**. +..***... +........ +........ + +char 0x48 +........ +***..*** +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.******. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +***..*** +........ +........ + +char 0x49 +........ +.*****.. +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +.*****.. +........ +........ + +char 0x4a +........ +...***** +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +*....*.. +.*..*... +..**.... +........ + +char 0x4b +........ +***..*** +.*....*. +.*...*.. +.*..*... +.*.*.... +.*.*.... +.**..... +.*.*.... +.*.*.... +.*..*... +.*...*.. +.*....*. +***..*** +........ +........ + +char 0x4c +........ +****.... +.*...... +.*...... +.*...... +.*...... +.*...... +.*...... +.*...... +.*...... +.*...... +.*....*. +.*....*. +*******. +........ +........ + +char 0x4d +........ +**....** +.*....*. +.**..**. +.**..**. +.**..**. +.*.**.*. +.*.**.*. +.*.**.*. +.*....*. +.*....*. +.*....*. +.*....*. +***..*** +........ +........ + +char 0x4e +........ +**...*** +.*....*. +.**...*. +.**...*. +.*.*..*. +.*.*..*. +.*.*..*. +.*..*.*. +.*..*.*. +.*..*.*. +.*...**. +.*...**. +***...*. +........ +........ + +char 0x4f +........ +..***... +.*...*.. +*.....*. +*.....*. +*.....*. +*.....*. +*.....*. +*.....*. +*.....*. +*.....*. +*.....*. +.*...*.. +..***... +........ +........ + +char 0x50 +........ +*****... +.*...*.. +.*....*. +.*....*. +.*....*. +.*...*.. +.****... +.*...... +.*...... +.*...... +.*...... +.*...... +****.... +........ +........ + +char 0x51 +........ +..***... +.*...*.. +*.....*. +*.....*. +*.....*. +*.....*. +*.....*. +*.....*. +*.....*. +*..*..*. +*...*.*. +.*...*.. +..***.*. +........ +........ + +char 0x52 +........ +******.. +.*....*. +.*....*. +.*....*. +.*....*. +.*****.. +.*...*.. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +***..*** +........ +........ + +char 0x53 +........ +..***.*. +.*...**. +*.....*. +*.....*. +*....... +.*...... +..***... +.....*.. +......*. +*.....*. +*.....*. +**...*.. +*.***... +........ +........ + +char 0x54 +........ +*******. +*..*..*. +*..*..*. +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +...*.... +.*****.. +........ +........ + +char 0x55 +........ +***..*** +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +.*....*. +..*..*.. +..****.. +........ +........ + +char 0x56 +........ +***..*** +.*....*. +.*....*. +.*....*. +.*....*. +..*..*.. +..*..*.. +..*..*.. +..*..*.. +...**... +...**... +...**... +...**... +........ +........ + +char 0x57 +........ +***..*** +.*....*. +.*....*. +.*....*. +.*.**.*. +.*.**.*. +.*.**.*. +.*.**.*. +..*..*.. +..*..*.. +..*..*.. +..*..*.. +..*..*.. +........ +........ + +char 0x58 +........ +***..*** +.*....*. +.*....*. +..*..*.. +..*..*.. +..*..*.. +...**... +..*..*.. +..*..*.. +..*..*.. +.*....*. +.*....*. +***..*** +........ +........ + +char 0x59 +........ +***.***. +.*...*.. +.*...*.. +.*...*.. +..*.*... +..*.*... +..*.*... +...*.... +...*.... +...*.... +...*.... +...*.... +.*****.. +........ +........ + +char 0x5a +........ +*******. +*....*.. +*....*.. +....*... +....*... +...*.... +...*.... +..*..... +..*..... +.*...... +.*....*. +*.....*. +*******. +........ +........ + +char 0x5b +........ +..*****. +..*..... +..*..... +..*..... +..*..... +..*..... +..*..... +..*..... +..*..... +..*..... +..*..... +..*..... +..*..... +..*****. +........ + +char 0x5c +*....... +*....... +.*...... +.*...... +..*..... +..*..... +..*..... +...*.... +...*.... +....*... +....*... +.....*.. +.....*.. +.....*.. +......*. +......*. + +char 0x5d +........ +.*****.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.....*.. +.*****.. +........ + +char 0x5e +........ +...*.... +..*.*... +.*...*.. +*.....*. +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0x5f +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +*******. +........ + +char 0x60 +...*.... +....*... +.....*.. +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0x61 +........ +........ +........ +........ +........ +.***.... +....*... +.....*.. +..****.. +.*...*.. +*....*.. +*....*.. +*...**.. +.***.**. +........ +........ + +char 0x62 +**...... +.*...... +.*...... 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+........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0xf9 +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0xfa +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0xfb +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0xfc +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0xfd +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0xfe +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ + +char 0xff +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ +........ diff --git a/08_day/int.c b/08_day/int.c new file mode 100644 index 0000000..729510c --- /dev/null +++ b/08_day/int.c @@ -0,0 +1,64 @@ +/*初始化关系 */ + +#include "bootpack.h" + +void init_pic(void) +/* PIC初始化 */ +{ + io_out8(PIC0_IMR, 0xff ); /* 禁止所有中断 */ + io_out8(PIC1_IMR, 0xff ); /* 禁止所有中断 */ + + io_out8(PIC0_ICW1, 0x11 ); /* 边缘触发模式（edge trigger mode） */ + io_out8(PIC0_ICW2, 0x20 ); /* IRQ0-7由INT20-27接收 */ + io_out8(PIC0_ICW3, 1 << 2); /* PIC1由IRQ2相连 */ + io_out8(PIC0_ICW4, 0x01 ); /* 无缓冲区模式 */ + + io_out8(PIC1_ICW1, 0x11 ); /* 边缘触发模式（edge trigger mode） */ + io_out8(PIC1_ICW2, 0x28 ); /* IRQ8-15由INT28-2f接收 */ + io_out8(PIC1_ICW3, 2 ); /* PIC1由IRQ2连接 */ + io_out8(PIC1_ICW4, 0x01 ); /* 无缓冲区模式 */ + + io_out8(PIC0_IMR, 0xfb ); /* 11111011 PIC1以外全部禁止 */ + io_out8(PIC1_IMR, 0xff ); /* 11111111 禁止所有中断 */ + + return; +} + +#define PORT_KEYDAT 0x0060 + +struct FIFO8 keyfifo; + +void inthandler21(int *esp) +/* 来自PS/2键盘的中断 */ +{ + struct BOOTINFO *binfo = (struct BOOTINFO *) ADR_BOOTINFO; + unsigned char data, s[4]; + io_out8(PIC0_OCW2, 0x61); /* 通知PIC IRQ-01 已经受理完毕 */ + data = io_in8(PORT_KEYDAT); + fifo8_put(&keyfifo, data); + return; +} + +struct FIFO8 mousefifo; + +void inthandler2c(int *esp) +/* 来自PS/2鼠标的中断 */ +{ + unsigned char data; + io_out8(PIC1_OCW2, 0x64); /* 通知PIC IRQ-12 已经受理完毕 */ + io_out8(PIC0_OCW2, 0x62); /* 通知PIC IRQ-02 已经受理完毕 */ + data = io_in8(PORT_KEYDAT); + fifo8_put(&mousefifo, data); + return; +} + +void inthandler27(int *esp) +/* PIC0中断的不完整策略 */ +/* 这个中断在Athlon64X2上通过芯片组提供的便利，只需执行一次 */ +/* 这个中断只是接收，不执行任何操作 */ +/* 为什么不处理？ + → 因为这个中断可能是电气噪声引发的、只是处理一些重要的情况。*/ +{ + io_out8(PIC0_OCW2, 0x67); /* 通知PIC的IRQ-07（参考7-1） */ + return; +} diff --git a/08_day/ipl10.nas b/08_day/ipl10.nas new file mode 100644 index 0000000..7108a21 --- /dev/null +++ b/08_day/ipl10.nas @@ -0,0 +1,109 @@ +; haribote-ipl +; TAB=4 + +CYLS EQU 10 ; 声明CYLS=10 + + ORG 0x7c00 ; 指明程序装载地址 + +; 标准FAT12格式软盘专用的代码 Stand FAT12 format floppy code + + JMP entry + DB 0x90 + DB "HARIBOTE" ; 启动扇区名称（8字节） + DW 512 ; 每个扇区（sector）大小（必须512字节） + DB 1 ; 簇（cluster）大小（必须为1个扇区） + DW 1 ; FAT起始位置（一般为第一个扇区） + DB 2 ; FAT个数（必须为2） + DW 224 ; 根目录大小（一般为224项） + DW 2880 ; 该磁盘大小（必须为2880扇区1440*1024/512） + DB 0xf0 ; 磁盘类型（必须为0xf0） + DW 9 ; FAT的长度（必??9扇区） + DW 18 ; 一个磁道（track）有几个扇区（必须为18） + DW 2 ; 磁头数（必??2） + DD 0 ; 不使用分区，必须是0 + DD 2880 ; 重写一次磁盘大小 + DB 0,0,0x29 ; 意义不明（固定） + DD 0xffffffff ; （可能是）卷标号码 + DB "HARIBOTEOS " ; 磁盘的名称（必须为11字?，不足填空格） + DB "FAT12 " ; 磁盘格式名称（必??8字?，不足填空格） + RESB 18 ; 先空出18字节 + +; 程序主体 + +entry: + MOV AX,0 ; 初始化寄存器 + MOV SS,AX + MOV SP,0x7c00 + MOV DS,AX + +; 读取磁盘 + + MOV AX,0x0820 + MOV ES,AX + MOV CH,0 ; 柱面0 + MOV DH,0 ; 磁头0 + MOV CL,2 ; 扇区2 + +readloop: + MOV SI,0 ; 记录失败次数寄存器 + +retry: + MOV AH,0x02 ; AH=0x02 : 读入磁盘 + MOV AL,1 ; 1个扇区 + MOV BX,0 + MOV DL,0x00 ; A驱动器 + INT 0x13 ; 调用磁盘BIOS + JNC next ; 没出错则跳转到fin + ADD SI,1 ; 往SI加1 + CMP SI,5 ; 比较SI与5 + JAE error ; SI >= 5 跳转到error + MOV AH,0x00 + MOV DL,0x00 ; A驱动器 + INT 0x13 ; 重置驱动器 + JMP retry +next: + MOV AX,ES ; 把内存地址后移0x200（512/16十六进制转换） + ADD AX,0x0020 + MOV ES,AX ; ADD ES,0x020因为没有ADD ES，只能通过AX进行 + ADD CL,1 ; 往CL里面加1 + CMP CL,18 ; 比较CL与18 + JBE readloop ; CL <= 18 跳转到readloop + MOV CL,1 + ADD DH,1 + CMP DH,2 + JB readloop ; DH < 2 跳转到readloop + MOV DH,0 + ADD CH,1 + CMP CH,CYLS + JB readloop ; CH < CYLS 跳转到readloop + +; 读取完毕，跳转到haribote.sys执行！ + MOV [0x0ff0],CH ; IPLがどこまで読んだのかをメモ + JMP 0xc200 + +error: + MOV SI,msg + +putloop: + MOV AL,[SI] + ADD SI,1 ; 给SI加1 + CMP AL,0 + JE fin + MOV AH,0x0e ; 显示一个文字 + MOV BX,15 ; 指定字符颜色 + INT 0x10 ; 调用显卡BIOS + JMP putloop + +fin: + HLT ; 让CPU停止，等待指令 + JMP fin ; 无限循环 + +msg: + DB 0x0a, 0x0a ; 换行两次 + DB "load error" + DB 0x0a ; 换行 + DB 0 + + RESB 0x7dfe-$ ; 填写0x00直到0x001fe + + DB 0x55, 0xaa diff --git a/08_day/make.bat b/08_day/make.bat new file mode 100644 index 0000000..e489766 --- /dev/null +++ b/08_day/make.bat @@ -0,0 +1 @@ +..\z_tools\make.exe %1 %2 %3 %4 %5 %6 %7 %8 %9 \ No newline at end of file diff --git a/08_day/naskfunc.nas b/08_day/naskfunc.nas new file mode 100644 index 0000000..41bc001 --- /dev/null +++ b/08_day/naskfunc.nas @@ -0,0 +1,140 @@ +; naskfunc +; TAB=4 + +[FORMAT "WCOFF"] ; 制作目标文件的模式 +[INSTRSET "i486p"] ; 使用到486为止的指令 +[BITS 32] ; 3制作32位模式用的机器语言 +[FILE "naskfunc.nas"] ; 文件名 + + GLOBAL _io_hlt, _io_cli, _io_sti, _io_stihlt + GLOBAL _io_in8, _io_in16, _io_in32 + GLOBAL _io_out8, _io_out16, _io_out32 + GLOBAL _io_load_eflags, _io_store_eflags + GLOBAL _load_gdtr, _load_idtr + GLOBAL _asm_inthandler21, _asm_inthandler27, _asm_inthandler2c + EXTERN _inthandler21, _inthandler27, _inthandler2c + +[SECTION .text] + +_io_hlt: ; void io_hlt(void); + HLT + RET + +_io_cli: ; void io_cli(void); + CLI + RET + +_io_sti: ; void io_sti(void); + STI + RET + +_io_stihlt: ; void io_stihlt(void); + STI + HLT + RET + +_io_in8: ; int io_in8(int port); + MOV EDX,[ESP+4] ; port + MOV EAX,0 + IN AL,DX + RET + +_io_in16: ; int io_in16(int port); + MOV EDX,[ESP+4] ; port + MOV EAX,0 + IN AX,DX + RET + +_io_in32: ; int io_in32(int port); + MOV EDX,[ESP+4] ; port + IN EAX,DX + RET + +_io_out8: ; void io_out8(int port, int data); + MOV EDX,[ESP+4] ; port + MOV AL,[ESP+8] ; data + OUT DX,AL + RET + +_io_out16: ; void io_out16(int port, int data); + MOV EDX,[ESP+4] ; port + MOV EAX,[ESP+8] ; data + OUT DX,AX + RET + +_io_out32: ; void io_out32(int port, int data); + MOV EDX,[ESP+4] ; port + MOV EAX,[ESP+8] ; data + OUT DX,EAX + RET + +_io_load_eflags: ; int io_load_eflags(void); + PUSHFD ; PUSH EFLAGS + POP EAX + RET + +_io_store_eflags: ; void io_store_eflags(int eflags); + MOV EAX,[ESP+4] + PUSH EAX + POPFD ; POP EFLAGS + RET + +_load_gdtr: ; void load_gdtr(int limit, int addr); + MOV AX,[ESP+4] ; limit + MOV [ESP+6],AX + LGDT [ESP+6] + RET + +_load_idtr: ; void load_idtr(int limit, int addr); + MOV AX,[ESP+4] ; limit + MOV [ESP+6],AX + LIDT [ESP+6] + RET + +_asm_inthandler21: + PUSH ES + PUSH DS + PUSHAD + MOV EAX,ESP + PUSH EAX + MOV AX,SS + MOV DS,AX + MOV ES,AX + CALL _inthandler21 + POP EAX + POPAD + POP DS + POP ES + IRETD + +_asm_inthandler27: + PUSH ES + PUSH DS + PUSHAD + MOV EAX,ESP + PUSH EAX + MOV AX,SS + MOV DS,AX + MOV ES,AX + CALL _inthandler27 + POP EAX + POPAD + POP DS + POP ES + IRETD + +_asm_inthandler2c: + PUSH ES + PUSH DS + PUSHAD + MOV EAX,ESP + PUSH EAX + MOV AX,SS + MOV DS,AX + MOV ES,AX + CALL _inthandler2c + POP EAX + POPAD + POP DS + POP ES + IRETD