188 lines
8.1 KiB
C
188 lines
8.1 KiB
C
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/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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const.h
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Forrest Yu, 2005
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
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#ifndef _ORANGES_CONST_H_
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#define _ORANGES_CONST_H_
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/*最大整数定义*/
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#define MAX_UNSIGNED_INT 0xFFFFFFFF // 最大的无符号整形
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#define MAX_INT 0x7FFFFFFF // 最大的整形数
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/* Color */
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/*
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* e.g. MAKE_COLOR(BLUE, RED)
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* MAKE_COLOR(BLACK, RED) | BRIGHT
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* MAKE_COLOR(BLACK, RED) | BRIGHT | FLASH
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*/
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// added by mingxuan 2019-5-19
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#define BLACK 0x0 /* 0000 */
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#define BLUE 0x1 /* 0001 */
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#define GREEN 0x2 /* 0010 */
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#define CYAN 0x3
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#define RED 0x4 /* 0100 */
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#define MAGENTA 0x5
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#define BROWN 0x6 /* yellow = bright brown, which is 0xe*/
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#define WHITE 0x7 /* 0111 actually its light grey, white = bright light grey*/
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#define FLASH 0x80 /* 1000 0000 */
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#define BRIGHT 0x08 /* 0000 1000 */
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#define MAKE_COLOR(x, y) ((x << 4) | y) /* MAKE_COLOR(Background,Foreground) */
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/* Boolean */
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#define TRUE 1
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#define FALSE 0
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/* GDT 和 IDT 中描述符的个数 */
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#define GDT_SIZE 128
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#define IDT_SIZE 256
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/* 权限 */
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#define PRIVILEGE_KRNL 0
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#define PRIVILEGE_TASK 1
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#define PRIVILEGE_USER 3
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/* RPL */
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#define RPL_KRNL SA_RPL0
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#define RPL_TASK SA_RPL1
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#define RPL_USER SA_RPL3
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/* 8259A interrupt controller ports. */
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#define INT_M_CTL 0x20 /* I/O port for interrupt controller <Master> */
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#define INT_M_CTLMASK 0x21 /* setting bits in this port disables ints <Master> */
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#define INT_S_CTL 0xA0 /* I/O port for second interrupt controller <Slave> */
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#define INT_S_CTLMASK 0xA1 /* setting bits in this port disables ints <Slave> */
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/* 8253/8254 PIT (Programmable Interval Timer) */
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#define TIMER0 0x40 /* I/O port for timer channel 0 */
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#define TIMER_MODE 0x43 /* I/O port for timer mode control */
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#define RATE_GENERATOR 0x34 /* 00-11-010-0 : \
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* Counter0 - LSB then MSB - rate generator - binary \
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*/
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#define TIMER_FREQ 1193182L /* clock frequency for timer in PC and AT */
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#define HZ 100 /* clock freq (software settable on IBM-PC) */
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/* Hardware interrupts */
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#define NR_IRQ 16 /* Number of IRQs */
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#define CLOCK_IRQ 0
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#define KEYBOARD_IRQ 1
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#define CASCADE_IRQ 2 /* cascade enable for 2nd AT controller */
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#define ETHER_IRQ 3 /* default ethernet interrupt vector */
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#define SECONDARY_IRQ 3 /* RS232 interrupt vector for port 2 */
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#define RS232_IRQ 4 /* RS232 interrupt vector for port 1 */
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#define XT_WINI_IRQ 5 /* xt winchester */
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#define FLOPPY_IRQ 6 /* floppy disk */
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#define PRINTER_IRQ 7
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#define AT_WINI_IRQ 14 /* at winchester */
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#define MOUSE_IRQ 12 // added by mingxuan 2019-5-19
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/* system call */
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// #define NR_SYS_CALL 23 //last modified by xw, 18/6/19
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#define NR_SYS_CALL 30 // modified by mingxuan 2019-5-17
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/* TTY */
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// added by mingxuan 2019-5-19
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#define NR_CONSOLES 3 /* consoles */
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/*页表相关*/
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#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
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#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
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/*线性地址描述*/ // edit by visual 2016.5.25
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#define KernelSize 0x800000 // 内核的大小//add by visual 2016.5.10
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#define K_PHY2LIN(x) ((x) + 0xC0000000) // 内核中物理地址转线性地址 //add by visual 2016.5.10
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#define K_LIN2PHY(x) ((x)-0xC0000000) // added by xw, 18/8/27
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#define num_4B 0x4 // 4B大小
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#define num_1K 0x400 // 1k大小
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#define num_4K 0x1000 // 4k大小
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#define num_4M 0x400000 // 4M大小
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#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
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#define TextLinLimitMAX (TextLinBase + 0x20000000) // 大小：512M，这是参考值，具体以elf描述为准，
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#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
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#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
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#define VpageLinBase DataLinLimitMAX // 保留内存起始地址
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#define VpageLinLimitMAX (VpageLinBase + 0x8000000 - num_4K) // 大小：128M-4k
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#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
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#define SharePageLimit (SharePageBase + num_4K) // 大小：4k
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#define HeapLinBase SharePageLimit // 堆的起始地址
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#define HeapLinLimitMAX (HeapLinBase + 0x40000000) // 大小：1G
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#define StackLinLimitMAX HeapLinLimitMAX // 栈的大小： 1G-128M-4K（注意栈的基址和界限方向）
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#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）
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#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
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#define ArgLinLimitMAX KernelLinBase //=(ArgLinBase+0x1000)大小：4K。
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#define KernelLinBase 0xC0000000 // 内核线性起始地址(有0x30400的偏移)
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#define KernelLinLimitMAX (KernelLinBase + 0x40000000) // 大小：1G
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/***************目前线性地址布局***************************** edit by visual 2016.5.25
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* 进程代码 0 ~ 512M ,限制大小为512M
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* 进程数据 512M ~ 1G，限制大小为512M
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* 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
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* 进程堆 1G+128M ~ 2G+128M，限制大小为1G
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* 进程栈 2G+128M ~ 3G-4K,限制大小为 1G-128M-4K
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* 进程参数 3G-4K~3G，限制大小为4K
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* 内核 3G~4G，限制大小为1G
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***********************************************************/
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// #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
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/*分页机制常量的定义,必须与load.inc中一致*/ // add by visual 2016.4.5
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#define PG_P 1 // 页存在属性位
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#define PG_RWR 0 // R/W 属性位值, 读/执行
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#define PG_RWW 2 // R/W 属性位值, 读/写/执行
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#define PG_USS 0 // U/S 属性位值, 系统级
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#define PG_USU 4 // U/S 属性位值, 用户级
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#define PG_PS 64 // PS属性位值，4K页
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/* AT keyboard */
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/* 8042 ports */
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// added by mingxuan 2019-5-19
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#define KB_DATA 0x60 /* I/O port for keyboard data \
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* Read : Read Output Buffer \
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* Write: Write Input Buffer \
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* (8042 Data & 8048 Command) \
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*/
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#define KB_CMD 0x64 /* I/O port for keyboard command \
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* Read : Read Status Register \
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* Write: Write Input Buffer \
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* (8042 Command) \
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*/
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#define KB_STA 0x64
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#define KEYSTA_SEND_NOTREADY 0x02
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#define KBSTATUS_IBF 0x02
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#define KBSTATUS_OBF 0x01
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#define wait_KB_write() while (in_byte(KB_STA) & KBSTATUS_IBF)
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#define wait_KB_read() while (in_byte(KB_STA) & KBSTATUS_OBF)
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#define KEYCMD_WRITE_MODE 0x60
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#define KBC_MODE 0x47
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#define KEYCMD_SENDTO_MOUSE 0xd4
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#define MOUSECMD_ENABLE 0xf4
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#define KBCMD_EN_MOUSE_INTFACE 0xa8
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#define LED_CODE 0xED
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#define KB_ACK 0xFA
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/* VGA */
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// added by mingxuan 2019-5-19
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#define CRTC_ADDR_REG 0x3D4 /* CRT Controller Registers - Addr Register */
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#define CRTC_DATA_REG 0x3D5 /* CRT Controller Registers - Data Register */
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#define START_ADDR_H 0xC /* reg index of video mem start addr (MSB) */
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#define START_ADDR_L 0xD /* reg index of video mem start addr (LSB) */
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#define CURSOR_H 0xE /* reg index of cursor position (MSB) */
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#define CURSOR_L 0xF /* reg index of cursor position (LSB) */
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#define V_MEM_BASE 0xB8000 /* base of color video memory */
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#define V_MEM_SIZE 0x8000 /* 32K: B8000H -> BFFFFH */
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#define STD_IN 0
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#define STD_OUT 1
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#define STD_ERR 2
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/* max() & min() */
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// added by mingxuan 2019-5-19
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#define max(a, b) ((a) > (b) ? (a) : (b))
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#define min(a, b) ((a) < (b) ? (a) : (b))
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#define abs(a) ((a) < 0 ? -(a) : (a))
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#endif /* _ORANGES_CONST_H_ */
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