/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ const.h ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Forrest Yu, 2005 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ #ifndef _ORANGES_CONST_H_ #define _ORANGES_CONST_H_ /*最大整数定义*/ #define MAX_UNSIGNED_INT 0xFFFFFFFF //最大的无符号整形 #define MAX_INT 0x7FFFFFFF //最大的整形数 /* Color */ /* * e.g. MAKE_COLOR(BLUE, RED) * MAKE_COLOR(BLACK, RED) | BRIGHT * MAKE_COLOR(BLACK, RED) | BRIGHT | FLASH */ //added by mingxuan 2019-5-19 #define BLACK 0x0 /* 0000 */ #define WHITE 0x7 /* 0111 */ #define RED 0x4 /* 0100 */ #define GREEN 0x2 /* 0010 */ #define BLUE 0x1 /* 0001 */ #define FLASH 0x80 /* 1000 0000 */ #define BRIGHT 0x08 /* 0000 1000 */ #define MAKE_COLOR(x,y) ((x<<4) | y) /* MAKE_COLOR(Background,Foreground) */ /* Boolean */ #define TRUE 1 #define FALSE 0 /* GDT 和 IDT 中描述符的个数 */ #define GDT_SIZE 128 #define IDT_SIZE 256 /* 权限 */ #define PRIVILEGE_KRNL 0 #define PRIVILEGE_TASK 1 #define PRIVILEGE_USER 3 /* RPL */ #define RPL_KRNL SA_RPL0 #define RPL_TASK SA_RPL1 #define RPL_USER SA_RPL3 /* 8259A interrupt controller ports. */ #define INT_M_CTL 0x20 /* I/O port for interrupt controller */ #define INT_M_CTLMASK 0x21 /* setting bits in this port disables ints */ #define INT_S_CTL 0xA0 /* I/O port for second interrupt controller */ #define INT_S_CTLMASK 0xA1 /* setting bits in this port disables ints */ /* 8253/8254 PIT (Programmable Interval Timer) */ #define TIMER0 0x40 /* I/O port for timer channel 0 */ #define TIMER_MODE 0x43 /* I/O port for timer mode control */ #define RATE_GENERATOR 0x34 /* 00-11-010-0 : * Counter0 - LSB then MSB - rate generator - binary */ #define TIMER_FREQ 1193182L/* clock frequency for timer in PC and AT */ #define HZ 100 /* clock freq (software settable on IBM-PC) */ /* Hardware interrupts */ #define NR_IRQ 16 /* Number of IRQs */ #define CLOCK_IRQ 0 #define KEYBOARD_IRQ 1 #define CASCADE_IRQ 2 /* cascade enable for 2nd AT controller */ #define ETHER_IRQ 3 /* default ethernet interrupt vector */ #define SECONDARY_IRQ 3 /* RS232 interrupt vector for port 2 */ #define RS232_IRQ 4 /* RS232 interrupt vector for port 1 */ #define XT_WINI_IRQ 5 /* xt winchester */ #define FLOPPY_IRQ 6 /* floppy disk */ #define PRINTER_IRQ 7 #define AT_WINI_IRQ 14 /* at winchester */ #define MOUSE_IRQ 12 //added by mingxuan 2019-5-19 /* system call */ //#define NR_SYS_CALL 23 //last modified by xw, 18/6/19 #define NR_SYS_CALL 28 //modified by mingxuan 2019-5-17 /* TTY */ //added by mingxuan 2019-5-19 #define NR_CONSOLES 3 /* consoles */ /*页表相关*/ #define PageTblNumAddr 0x500 //页表数量放在这个位置,必须与load.inc中一致 add by visual 2016.5.11 #define KernelPageTblAddr 0x200000 //内核页表物理地址，必须与load.inc中一致 add by visual 2016.5.17 /*线性地址描述*/ //edit by visual 2016.5.25 #define KernelSize 0x800000 //内核的大小//add by visual 2016.5.10 #define K_PHY2LIN(x) ((x)+0xC0000000) //内核中物理地址转线性地址 //add by visual 2016.5.10 #define K_LIN2PHY(x) ((x)-0xC0000000) //added by xw, 18/8/27 #define num_4B 0x4 //4B大小 #define num_1K 0x400 //1k大小 #define num_4K 0x1000 //4k大小 #define num_4M 0x400000 //4M大小 #define TextLinBase ((u32)0x0) //进程代码的起始地址，这是参考值，具体以elf描述为准 #define TextLinLimitMAX (TextLinBase+0x20000000) //大小：512M，这是参考值，具体以elf描述为准， #define DataLinBase TextLinLimitMAX //进程数据的起始地址，这是参考值，具体以elf描述为准 #define DataLinLimitMAX (DataLinBase+0x20000000) //大小：512M，这是参考值，具体以elf描述为准，但是代码和数据长度总和不能超过这个值 #define VpageLinBase DataLinLimitMAX //保留内存起始地址 #define VpageLinLimitMAX (VpageLinBase+0x8000000-num_4K) //大小：128M-4k #define SharePageBase VpageLinLimitMAX //共享页线性地址，执行fork\pthread的时候用,共享页必须4K对齐 #define SharePageLimit (SharePageBase+num_4K) //大小：4k #define HeapLinBase SharePageLimit //堆的起始地址 #define HeapLinLimitMAX (HeapLinBase+0x40000000) //大小：1G #define StackLinLimitMAX HeapLinLimitMAX //栈的大小： 1G-128M-4K（注意栈的基址和界限方向） #define StackLinBase (ArgLinBase-num_4B) //=(StackLinLimitMAX+1G-128M-4K-4B)栈的起始地址,放在参数位置之前（注意堆栈的增长方向） #define ArgLinBase (KernelLinBase-0x1000) //参数存放位置起始地址，放在3G前，暂时还没没用到 #define ArgLinLimitMAX KernelLinBase //=(ArgLinBase+0x1000)大小：4K。 #define KernelLinBase 0xC0000000 //内核线性起始地址(有0x30400的偏移) #define KernelLinLimitMAX (KernelLinBase+0x40000000) //大小：1G /***************目前线性地址布局***************************** edit by visual 2016.5.25 * 进程代码 0 ~ 512M ,限制大小为512M * 进程数据 512M ~ 1G，限制大小为512M * 进程保留内存（以后可能存放虚页表和其他一些信息） 1G ~ 1G+128M，限制大小为128M,共享页放在这个位置 * 进程堆 1G+128M ~ 2G+128M，限制大小为1G * 进程栈 2G+128M ~ 3G-4K,限制大小为 1G-128M-4K * 进程参数 3G-4K~3G，限制大小为4K * 内核 3G~4G，限制大小为1G ***********************************************************/ //#define ShareTblLinAddr (KernelLinLimitMAX-0x1000) //公共临时共享页，放在内核最后一个页表的最后一项上 /*分页机制常量的定义,必须与load.inc中一致*/ //add by visual 2016.4.5 #define PG_P 1 // 页存在属性位 #define PG_RWR 0 // R/W 属性位值, 读/执行 #define PG_RWW 2 // R/W 属性位值, 读/写/执行 #define PG_USS 0 // U/S 属性位值, 系统级 #define PG_USU 4 // U/S 属性位值, 用户级 #define PG_PS 64 // PS属性位值，4K页 /* AT keyboard */ /* 8042 ports */ //added by mingxuan 2019-5-19 #define KB_DATA 0x60 /* I/O port for keyboard data * Read : Read Output Buffer * Write: Write Input Buffer * (8042 Data & 8048 Command) */ #define KB_CMD 0x64 /* I/O port for keyboard command * Read : Read Status Register * Write: Write Input Buffer * (8042 Command) */ #define KB_STA 0x64 #define KEYSTA_SEND_NOTREADY 0x02 #define KBSTATUS_IBF 0x02 #define KBSTATUS_OBF 0x01 #define wait_KB_write() while(in_byte(KB_STA) & KBSTATUS_IBF) #define wait_KB_read() while(in_byte(KB_STA) & KBSTATUS_OBF) #define KEYCMD_WRITE_MODE 0x60 #define KBC_MODE 0x47 #define KEYCMD_SENDTO_MOUSE 0xd4 #define MOUSECMD_ENABLE 0xf4 #define KBCMD_EN_MOUSE_INTFACE 0xa8 #define LED_CODE 0xED #define KB_ACK 0xFA /* VGA */ //added by mingxuan 2019-5-19 #define CRTC_ADDR_REG 0x3D4 /* CRT Controller Registers - Addr Register */ #define CRTC_DATA_REG 0x3D5 /* CRT Controller Registers - Data Register */ #define START_ADDR_H 0xC /* reg index of video mem start addr (MSB) */ #define START_ADDR_L 0xD /* reg index of video mem start addr (LSB) */ #define CURSOR_H 0xE /* reg index of cursor position (MSB) */ #define CURSOR_L 0xF /* reg index of cursor position (LSB) */ #define V_MEM_BASE 0xB8000 /* base of color video memory */ #define V_MEM_SIZE 0x8000 /* 32K: B8000H -> BFFFFH */ #define STD_IN 0 #define STD_OUT 1 #define STD_ERR 2 /* max() & min() */ //added by mingxuan 2019-5-19 #define max(a,b) ((a) > (b) ? (a) : (b)) #define min(a,b) ((a) < (b) ? (a) : (b)) #endif /* _ORANGES_CONST_H_ */