Subversion Repositories minsoc

/Makefile.inc

Makefile.inc Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: except.S =================================================================== --- except.S (nonexistent) +++ except.S (revision 42) @@ -0,0 +1,276 @@ +#include "spr_defs.h" + +// Linked from 0x200, so subtract 0x200 from each .org +.section .vectors, "ax" + +/* +.org 0x100 + +_reset: + l.nop + l.j _reset_except + l.nop +*/ +.org 0x000 + +_except_200: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _buserr_except + l.nop + +.org 0x100 + +_except_300: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _dpf_except + l.nop + +.org 0x200 + +_except_400: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _ipf_except + l.nop + +.org 0x300 + +_except_500: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _tick_except + l.nop + +.org 0x400 + +_except_600: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _align_except + l.nop + +.org 0x500 + +_except_700: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _illegal_except + l.nop + +.org 0x600 + +_except_800: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _ext_except //jmp to C interrupt handler (returns later to end_except) + l.nop + + +.org 0x700 + +_except_900: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _dtlbmiss_except + l.nop + +.org 0x800 + +_except_a00: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _itlbmiss_except + l.nop + +.org 0x900 + +_except_b00: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _range_except + l.nop + +.org 0xa00 + +_except_c00: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _syscall_except + l.nop + +.org 0xb00 + +_except_d00: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _res1_except + l.nop + +.org 0xc00 + +_except_e00: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _trap_except + l.nop + +.org 0xd00 + +_except_f00: + l.nop + l.addi r1,r1,-116 //free 29 words of stack (stack is r1) + l.sw 0x18(r1),r9 //save register r9(return addr) to stack + l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) + l.nop + + l.movhi r9,hi(end_except) //set return addr to end_except instruction + l.ori r9,r9,lo(end_except) //set return addr to end_except instruction + l.j _res2_except + l.nop + +store_regs: //save registers r3-r31 (except r9) to stack + l.sw 0x00(r1),r3 + l.sw 0x04(r1),r4 + l.sw 0x08(r1),r5 + l.sw 0x0c(r1),r6 + l.sw 0x10(r1),r7 + l.sw 0x14(r1),r8 + l.sw 0x1c(r1),r10 + l.sw 0x20(r1),r11 + l.sw 0x24(r1),r12 + l.sw 0x28(r1),r13 + l.sw 0x2c(r1),r14 + l.sw 0x30(r1),r15 + l.sw 0x34(r1),r16 + l.sw 0x38(r1),r17 + l.sw 0x3c(r1),r18 + l.sw 0x40(r1),r19 + l.sw 0x44(r1),r20 + l.sw 0x48(r1),r21 + l.sw 0x4c(r1),r22 + l.sw 0x50(r1),r23 + l.sw 0x54(r1),r24 + l.sw 0x58(r1),r25 + l.sw 0x5c(r1),r26 + l.sw 0x60(r1),r27 + l.sw 0x64(r1),r28 + l.sw 0x68(r1),r29 + l.sw 0x6c(r1),r30 + l.sw 0x70(r1),r31 + l.jr r9 + l.nop + +end_except: //load back registers from stack r3-r31 + l.lwz r3,0x00(r1) + l.lwz r4,0x04(r1) + l.lwz r5,0x08(r1) + l.lwz r6,0x0c(r1) + l.lwz r7,0x10(r1) + l.lwz r8,0x14(r1) + l.lwz r9,0x18(r1) + l.lwz r10,0x1c(r1) + l.lwz r11,0x20(r1) + l.lwz r12,0x24(r1) + l.lwz r13,0x28(r1) + l.lwz r14,0x2c(r1) + l.lwz r15,0x30(r1) + l.lwz r16,0x34(r1) + l.lwz r17,0x38(r1) + l.lwz r18,0x3c(r1) + l.lwz r19,0x40(r1) + l.lwz r20,0x44(r1) + l.lwz r21,0x48(r1) + l.lwz r22,0x4c(r1) + l.lwz r23,0x50(r1) + l.lwz r24,0x54(r1) + l.lwz r25,0x58(r1) + l.lwz r26,0x5c(r1) + l.lwz r27,0x60(r1) + l.lwz r28,0x64(r1) + l.lwz r29,0x68(r1) + l.lwz r30,0x6c(r1) + l.lwz r31,0x70(r1) + l.addi r1,r1,116 //free stack places + l.rfe //recover SR register and prior PC (jumps back to program) + l.nop +

except.S Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: uart.c =================================================================== --- uart.c (nonexistent) +++ uart.c (revision 42) @@ -0,0 +1,77 @@ +#include "support.h" +#include "board.h" +#include "uart.h" + +#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) + +#define WAIT_FOR_XMITR \ + do { \ + lsr = REG8(UART_BASE + UART_LSR); \ + } while ((lsr & BOTH_EMPTY) != BOTH_EMPTY) + +#define WAIT_FOR_THRE \ + do { \ + lsr = REG8(UART_BASE + UART_LSR); \ + } while ((lsr & UART_LSR_THRE) != UART_LSR_THRE) + +#define CHECK_FOR_CHAR (REG8(UART_BASE + UART_LSR) & UART_LSR_DR) + +#define WAIT_FOR_CHAR \ + do { \ + lsr = REG8(UART_BASE + UART_LSR); \ + } while ((lsr & UART_LSR_DR) != UART_LSR_DR) + +#define UART_TX_BUFF_LEN 32 +#define UART_TX_BUFF_MASK (UART_TX_BUFF_LEN -1) + +char tx_buff[UART_TX_BUFF_LEN]; +volatile int tx_level, rx_level; + +void uart_init(void) +{ + int divisor; + + /* Reset receiver and transmiter */ + /* Set RX interrupt for each byte */ + REG8(UART_BASE + UART_FCR) = UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT | UART_FCR_TRIGGER_1; + + /* Enable RX interrupt */ + REG8(UART_BASE + UART_IER) = UART_IER_RDI | UART_IER_THRI; + + /* Set 8 bit char, 1 stop bit, no parity */ + REG8(UART_BASE + UART_LCR) = UART_LCR_WLEN8 & ~(UART_LCR_STOP | UART_LCR_PARITY); + + /* Set baud rate */ + divisor = IN_CLK/(16 * UART_BAUD_RATE); + REG8(UART_BASE + UART_LCR) |= UART_LCR_DLAB; + REG8(UART_BASE + UART_DLL) = divisor & 0x000000ff; + REG8(UART_BASE + UART_DLM) = (divisor >> 8) & 0x000000ff; + REG8(UART_BASE + UART_LCR) &= ~(UART_LCR_DLAB); + + return; +} + +void uart_putc(char c) +{ + unsigned char lsr; + + WAIT_FOR_THRE; + REG8(UART_BASE + UART_TX) = c; + if(c == '\n') { + WAIT_FOR_THRE; + REG8(UART_BASE + UART_TX) = '\r'; + } + WAIT_FOR_XMITR; +} + + + +char uart_getc() +{ + unsigned char lsr; + char c; + +// WAIT_FOR_CHAR; + c = REG8(UART_BASE + UART_RX); + return c; +}

uart.c Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: support.c =================================================================== --- support.c (nonexistent) +++ support.c (revision 42) @@ -0,0 +1,167 @@ +/* Support */ + +#ifndef OR32 +#include +#endif + +#include "spr_defs.h" +#include "support.h" +#include "int.h" + +#ifdef UART_PRINTF +//#include "snprintf.h" +#include "vfnprintf.h" +#include "uart.h" +#endif + +#if OR32 +void int_main(); + +void ext_except() +{ + int_main(); +} + +/* Start function, called by reset exception handler. */ +void reset () +{ + int i = main(); + or32_exit (i); +} + +/* return value by making a syscall */ +void or32_exit (int i) +{ + asm("l.add r3,r0,%0": : "r" (i)); + asm("l.nop %0": :"K" (NOP_EXIT)); + while (1); +} + +#ifdef UART_PRINTF + +static int uart_init_done = 0; + +#define PRINTFBUFFER_SIZE 512 +char PRINTFBUFFER[PRINTFBUFFER_SIZE]; // Declare a global printf buffer + +void minsoc_printf(const char *fmt, ...) +{ + // init uart if not done already + if (!uart_init_done) + { + uart_init(); + uart_init_done = 1; + } + + va_list args; + va_start(args, fmt); + + //int str_l = vsnprintf(PRINTFBUFFER, PRINTFBUFFER_SIZE, fmt, args); + int str_l = vfnprintf(PRINTFBUFFER, PRINTFBUFFER_SIZE, fmt, args); + + if (!str_l) return; // no length string - just return + + int c=0; + // now print each char via the UART + while (c < str_l) + uart_putc(PRINTFBUFFER[c++]); + + va_end(args); +} + +#else +/* activate printf support in simulator */ +void minsoc_printf(const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + __asm__ __volatile__ (" l.addi\tr3,%1,0\n \ + l.addi\tr4,%2,0\n \ + l.nop %0": :"K" (NOP_PRINTF), "r" (fmt), "r" (args)); +} + +/* +void *memcpy (void *__restrict dstvoid, + __const void *__restrict srcvoid, size_t length) +{ + char *dst = dstvoid; + const char *src = (const char *) srcvoid; + + while (length--) + *dst++ = *src++; + return dst; +} +*/ +#endif + + + + + +/* print long */ +void report(unsigned long value) +{ + asm("l.addi\tr3,%0,0": :"r" (value)); + asm("l.nop %0": :"K" (NOP_REPORT)); +} + +/* just to satisfy linker */ +void __main() +{ +} + +/* start_TIMER */ +void start_timer(int x) +{ +} + +/* read_TIMER */ +/* Returns a value since started in uS */ +unsigned int read_timer(int x) +{ + unsigned long count = 0; + + /* Read the Time Stamp Counter */ +/* asm("simrdtsc %0" :"=r" (count)); */ + /*asm("l.sys 201"); */ + return count; +} + +/* For writing into SPR. */ +void mtspr(unsigned long spr, unsigned long value) +{ + asm("l.mtspr\t\t%0,%1,0": : "r" (spr), "r" (value)); +} + +/* For reading SPR. */ +unsigned long mfspr(unsigned long spr) +{ + unsigned long value; + asm("l.mfspr\t\t%0,%1,0" : "=r" (value) : "r" (spr)); + return value; +} + +#else +void report(unsigned long value) +{ + printf("report(0x%x);\n", (unsigned) value); +} + +/* start_TIMER */ +void start_timer(int tmrnum) +{ +} + +/* read_TIMER */ +/* Returns a value since started in uS */ +unsigned int read_timer(int tmrnum) +{ + struct timeval tv; + struct timezone tz; + + gettimeofday(&tv, &tz); + + return(tv.tv_sec*1000000+tv.tv_usec); +} + +#endif

support.c Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: vfnprintf.c =================================================================== --- vfnprintf.c (nonexistent) +++ vfnprintf.c (revision 42) @@ -0,0 +1,686 @@ +// Ripped out of latest ecos build from http://sources-redhat.mirrors.airband.net/ecos/releases/ecos-3.0b1/ecos-3.0beta1.i386linux.tar.bz2 +// File: ecos-3.0b1/packages/language/c/libc/stdio/v3_0b1/src/output/vfnprintf.cxx + +// Hacked to pieces so it would work with OpenRISC compiler, not using libc +//=========================================================================== +// +// vfnprintf.c +// +// I/O routines for vfnprintf() for use with ANSI C library +// +//=========================================================================== +// ####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. +// +// eCos is free software; you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the Free +// Software Foundation; either version 2 or (at your option) any later +// version. +// +// eCos is distributed in the hope that it will be useful, but WITHOUT +// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +// for more details. +// +// You should have received a copy of the GNU General Public License +// along with eCos; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +// +// As a special exception, if other files instantiate templates or use +// macros or inline functions from this file, or you compile this file +// and link it with other works to produce a work based on this file, +// this file does not by itself cause the resulting work to be covered by +// the GNU General Public License. However the source code for this file +// must still be made available in accordance with section (3) of the GNU +// General Public License v2. +// +// This exception does not invalidate any other reasons why a work based +// on this file might be covered by the GNU General Public License. +// ------------------------------------------- +// ####ECOSGPLCOPYRIGHTEND#### +//=========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): jlarmour +// Contributors: +// Date: 2000-04-20 +// Purpose: +// Description: +// Usage: +// +//####DESCRIPTIONEND#### +// +//=========================================================================== +// +// This code is based on original code with the following copyright: +// +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + + +// CONFIGURATION + +//#include // Configuration header +//#include // Configuration header for mb support + +// INCLUDES + +//#include // For mbtowc() +#include + + +//#include // Common type definitions and support +#define CYG_MACRO_START do { +#define CYG_MACRO_END } while (0) + +#define CYG_EMPTY_STATEMENT CYG_MACRO_START CYG_MACRO_END + +#define CYG_UNUSED_PARAM( _type_, _name_ ) CYG_MACRO_START \ + _type_ __tmp1 = (_name_); \ + _type_ __tmp2 = __tmp1; \ + __tmp1 = __tmp2; \ +CYG_MACRO_END + +#include // Variable argument definitions + +#include "vfnprintf.h" + + +# define BUF 40 + +/* + * Actual printf innards. + * + * This code is large and complicated... + */ + + +/* + * Macros for converting digits to letters and vice versa + */ +#define to_digit(c) ((c) - '0') +#define is_digit(c) ((unsigned)to_digit(c) <= 9) +#define to_char(n) ((n) + '0') + +/* + * Flags used during conversion. + */ +#define ALT 0x001 /* alternate form */ +#define HEXPREFIX 0x002 /* add 0x or 0X prefix */ +#define LADJUST 0x004 /* left adjustment */ +#define LONGDBL 0x008 /* long double; unimplemented */ +#define LONGINT 0x010 /* long integer */ +#define QUADINT 0x020 /* quad integer */ +#define SHORTINT 0x040 /* short integer */ +#define ZEROPAD 0x080 /* zero (as opposed to blank) pad */ +#define FPT 0x100 /* Floating point number */ +#define SIZET 0x200 /* size_t */ + +int +strlen(const char *s) +{ + const char *p; + + for (p = s; *p != '\0'; p++) + ; + return (s - p); +} + +void * +memcpy(void *dst, const void *src, size_t len) +{ + const char *csrc; + char *cdst; + int i; + + cdst = dst; + csrc = src; + for (i = len; i >= 0; i--) { + cdst[i] = csrc[i]; + } + return dst; +} + +// Function which prints back to the buffer, ptr, len bytes +// returns 1 if it should finish up, otherwise 0 to continue +int print_back_to_string(char * ptr, int len, size_t * n, int * ret, char ** stream) +{ +#define MIN(a, b) ((a) < (b) ? (a) : (b)) + do { + int length = MIN( (int) len, *n - *ret - 1); + memcpy(*stream + *ret, ptr, length); + if (length < (int)len) { + *ret += length; + return 1; // finish up + } + + } while(0); + + return 0; +} + +//externC int +int +//vfnprintf ( FILE *stream, size_t n, const char *format, va_list arg) __THROW +vfnprintf ( char *stream, size_t n, const char *format, va_list arg) +{ + char *fmt; /* format string */ + int ch; /* character from fmt */ + int x, y; /* handy integers (short term usage) */ + char *cp; /* handy char pointer (short term usage) */ + int flags; /* flags as above */ + + int ret; /* return value accumulator */ + int width; /* width from format (%8d), or 0 */ + int prec; /* precision from format (%.3d), or -1 */ + char sign; /* sign prefix (' ', '+', '-', or \0) */ + wchar_t wc; + +#define quad_t long long +#define u_quad_t unsigned long long + + u_quad_t _uquad; /* integer arguments %[diouxX] */ + enum { OCT, DEC, HEX } base;/* base for [diouxX] conversion */ + int dprec; /* a copy of prec if [diouxX], 0 otherwise */ + int fieldsz; /* field size expanded by sign, etc */ + int realsz; /* field size expanded by dprec */ + int size; /* size of converted field or string */ + char *xdigs; /* digits for [xX] conversion */ +#define NIOV 8 + char buf[BUF]; /* space for %c, %[diouxX], %[eEfgG] */ + char ox[2]; /* space for 0x hex-prefix */ + + /* + * Choose PADSIZE to trade efficiency vs. size. If larger printf + * fields occur frequently, increase PADSIZE and make the initialisers + * below longer. + */ +#define PADSIZE 16 /* pad chunk size */ + static char blanks[PADSIZE] = + {' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '}; + static char zeroes[PADSIZE] = + {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'}; + + /* + * BEWARE, these `goto error' on error, and PAD uses `n'. + */ + + // We'll copy len bytes from (char*) ptr, into the output stream + // making sure we don't go over the end, so calculate length to be + // either the whole length we've been passed, or the whole length + // that is possible to write + // We finish if it was not possible to write the entire variable + // into the buffer, ie we had to write all we could, not all we + // wanted to. + /* + #define PRINT(ptr, len) \ + CYG_MACRO_START \ + int length = MIN( (int) len, n - ret - 1); \ + char* begin_stream_write = stream; \ + stream = memcpy(stream, ptr, length); \ + length = (unsigned long) stream - (unsigned long) begin_stream_write; \ + if (length < (int)len) { \ + ret += length; \ + goto done; \ + } \ + CYG_MACRO_END + */ + + //PRINT(with, PADSIZE); \ + //PRINT(with, x); \ + +#define PAD(howmany, with) \ + CYG_MACRO_START \ + if ((x = (howmany)) > 0) { \ + while (x > PADSIZE) { \ + if (print_back_to_string(with, PADSIZE, &n, &ret, &stream)) goto done; \ + x -= PADSIZE; \ + } \ + if (print_back_to_string(with, x, &n, &ret, &stream))goto done; \ + } \ + CYG_MACRO_END + + /* + * To extend shorts properly, we need both signed and unsigned + * argument extraction methods. + */ + +#define SARG() \ + (flags&QUADINT ? va_arg(arg, long long) : \ + flags&LONGINT ? va_arg(arg, long) : \ + flags&SHORTINT ? (long)(short)va_arg(arg, int) : \ + flags&SIZET ? (long)va_arg(arg, size_t) : \ + (long)va_arg(arg, int)) +#define UARG() \ + (flags&QUADINT ? va_arg(arg, unsigned long long) : \ + flags&LONGINT ? va_arg(arg, unsigned long) : \ + flags&SHORTINT ? (unsigned long)(unsigned short)va_arg(arg, int) : \ + flags&SIZET ? va_arg(arg, size_t) : \ + (unsigned long)va_arg(arg, unsigned int)) + + + xdigs = NULL; // stop compiler whinging + fmt = (char *)format; + ret = 0; + + /* + * Scan the format for conversions (`%' character). + */ + for (;;) { + cp = (char *)fmt; // char pointer - set to where we begin looking from + while ((x = ((wc = *fmt) != 0))) { // While, wc=next char and x is one while there's still chars left + fmt += x; // increment the pointer to the char + if (wc == '%') { // check if it's the beginning of + fmt--; // Decrement the char pointer, actually + break; + } + } + if ((y = fmt - cp) != 0) { // y is length of string to copy out just now + //PRINT(cp, y); // Copy macro + if(print_back_to_string(cp, y, &n, &ret, &stream)) goto done; // Copy macro + ret += y; // increment return chars + } + if ((x <= 0) || (ret >= (int)n)) // @@@ this check with n isn't good enough + goto done; + fmt++; /* skip over '%' */ + + flags = 0; + dprec = 0; + width = 0; + prec = -1; + sign = '\0'; + + rflag: ch = *fmt++; + reswitch: switch (ch) { + case ' ': + /* + * ``If the space and + flags both appear, the space + * flag will be ignored.'' + * -- ANSI X3J11 + */ + if (!sign) + sign = ' '; + goto rflag; + case '#': + flags |= ALT; + goto rflag; + case '*': + /* + * ``A negative field width argument is taken as a + * - flag followed by a positive field width.'' + * -- ANSI X3J11 + * They don't exclude field widths read from args. + */ + if ((width = va_arg(arg, int)) >= 0) + goto rflag; + width = -width; + /* FALLTHROUGH */ + case '-': + flags |= LADJUST; + goto rflag; + case '+': + sign = '+'; + goto rflag; + case '.': + if ((ch = *fmt++) == '*') { + x = va_arg(arg, int); + prec = x < 0 ? -1 : x; + goto rflag; + } + x = 0; + while (is_digit(ch)) { + x = 10 * x + to_digit(ch); + ch = *fmt++; + } + prec = x < 0 ? -1 : x; + goto reswitch; + case '0': + /* + * ``Note that 0 is taken as a flag, not as the + * beginning of a field width.'' + * -- ANSI X3J11 + */ + flags |= ZEROPAD; + goto rflag; + case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + x = 0; + do { + x = 10 * x + to_digit(ch); + ch = *fmt++; + } while (is_digit(ch)); + width = x; + goto reswitch; + case 'h': + flags |= SHORTINT; + goto rflag; + case 'l': + if (*fmt == 'l') { + fmt++; + flags |= QUADINT; + } else { + flags |= LONGINT; + } + goto rflag; + case 'q': + flags |= QUADINT; + goto rflag; + case 'c': + *(cp = buf) = va_arg(arg, int); + size = 1; + sign = '\0'; + break; + case 'D': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'd': + case 'i': + _uquad = SARG(); +#ifndef _NO_LONGLONG + if ((quad_t)_uquad < 0) +#else + if ((long) _uquad < 0) +#endif + { + + _uquad = -_uquad; + sign = '-'; + } + base = DEC; + goto number; + + case 'e': + case 'E': + case 'f': + case 'g': + case 'G': + // Output nothing at all + (void) va_arg(arg, double); // take off arg anyway + cp = ""; + size = 0; + sign = '\0'; + break; + + case 'n': +#ifndef _NO_LONGLONG + if (flags & QUADINT) + *va_arg(arg, quad_t *) = ret; + else +#endif + if (flags & LONGINT) + *va_arg(arg, long *) = ret; + else if (flags & SHORTINT) + *va_arg(arg, short *) = ret; + else if (flags & SIZET) + *va_arg(arg, size_t *) = ret; + else + *va_arg(arg, int *) = ret; + continue; /* no output */ + case 'O': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'o': + _uquad = UARG(); + base = OCT; + goto nosign; + case 'p': + /* + * ``The argument shall be a pointer to void. The + * value of the pointer is converted to a sequence + * of printable characters, in an implementation- + * defined manner.'' + * -- ANSI X3J11 + */ + /* NOSTRICT */ + _uquad = (unsigned long)va_arg(arg, void *); + base = HEX; + xdigs = (char *)"0123456789abcdef"; + flags |= HEXPREFIX; + ch = 'x'; + goto nosign; + case 's': + if ((cp = va_arg(arg, char *)) == NULL) + cp = (char *)"(null)"; + if (prec >= 0) { + /* + * can't use strlen; can only look for the + * NUL in the first `prec' characters, and + * strlen() will go further. + */ + char *p = (char *)memchr(cp, 0, prec); + + if (p != NULL) { + size = p - cp; + if (size > prec) + size = prec; + } else + size = prec; + } else + size = strlen(cp); + sign = '\0'; + break; + case 'U': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'u': + _uquad = UARG(); + base = DEC; + goto nosign; + case 'X': + xdigs = (char *)"0123456789ABCDEF"; + goto hex; + case 'x': + xdigs = (char *)"0123456789abcdef"; + hex: _uquad = UARG(); + base = HEX; + /* leading 0x/X only if non-zero */ + if (flags & ALT && _uquad != 0) + flags |= HEXPREFIX; + + /* unsigned conversions */ + nosign: sign = '\0'; + /* + * ``... diouXx conversions ... if a precision is + * specified, the 0 flag will be ignored.'' + * -- ANSI X3J11 + */ + number: if ((dprec = prec) >= 0) + flags &= ~ZEROPAD; + + /* + * ``The result of converting a zero value with an + * explicit precision of zero is no characters.'' + * -- ANSI X3J11 + */ + cp = buf + BUF; + if (_uquad != 0 || prec != 0) { + /* + * Unsigned mod is hard, and unsigned mod + * by a constant is easier than that by + * a variable; hence this switch. + */ + switch (base) { + case OCT: + do { + *--cp = to_char(_uquad & 7); + _uquad >>= 3; + } while (_uquad); + /* handle octal leading 0 */ + if (flags & ALT && *cp != '0') + *--cp = '0'; + break; + + case DEC: + if (!(flags & QUADINT)) { + /* many numbers are 1 digit */ + unsigned long v = (unsigned long)_uquad; + while (v >= 10) { + /* The following is usually faster than using a modulo */ + unsigned long next = v / 10; + *--cp = to_char(v - (next * 10)); + v = next; + } + *--cp = to_char(v); + } + else { + while (_uquad >= 10) { + /* The following is usually faster than using a modulo */ + u_quad_t next = _uquad / 10; + *--cp = to_char(_uquad - (next * 10)); + _uquad = next; + } + *--cp = to_char(_uquad); + } + break; + + case HEX: + do { + *--cp = xdigs[_uquad & 15]; + _uquad >>= 4; + } while (_uquad); + break; + + default: + cp = (char *)"bug in vfprintf: bad base"; + size = strlen(cp); + goto skipsize; + } + } + size = buf + BUF - cp; + skipsize: + break; + case 'z': + flags |= SIZET; + goto rflag; + default: /* "%?" prints ?, unless ? is NUL */ + if (ch == '\0') + goto done; + /* pretend it was %c with argument ch */ + cp = buf; + *cp = ch; + size = 1; + sign = '\0'; + break; + } + + /* + * All reasonable formats wind up here. At this point, `cp' + * points to a string which (if not flags&LADJUST) should be + * padded out to `width' places. If flags&ZEROPAD, it should + * first be prefixed by any sign or other prefix; otherwise, + * it should be blank padded before the prefix is emitted. + * After any left-hand padding and prefixing, emit zeroes + * required by a decimal [diouxX] precision, then print the + * string proper, then emit zeroes required by any leftover + * floating precision; finally, if LADJUST, pad with blanks. + * + * Compute actual size, so we know how much to pad. + * fieldsz excludes decimal prec; realsz includes it. + */ +#ifdef CYGSEM_LIBC_STDIO_PRINTF_FLOATING_POINT + fieldsz = size + fpprec; +#else + fieldsz = size; +#endif + if (sign) + fieldsz++; + else if (flags & HEXPREFIX) + fieldsz+= 2; + realsz = dprec > fieldsz ? dprec : fieldsz; + + /* right-adjusting blank padding */ + if ((flags & (LADJUST|ZEROPAD)) == 0) { + if (width - realsz > 0) { + PAD(width - realsz, blanks); + ret += width - realsz; + } + } + + /* prefix */ + if (sign) { + //PRINT(&sign, 1); + if(print_back_to_string(&sign, 1, &n, &ret, &stream))goto done; + ret++; + } else if (flags & HEXPREFIX) { + ox[0] = '0'; + ox[1] = ch; + //PRINT(ox, 2); + if(print_back_to_string(ox, 2, &n, &ret, &stream))goto done; + ret += 2; + } + + /* right-adjusting zero padding */ + if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD) { + if (width - realsz > 0) { + PAD(width - realsz, zeroes); + ret += width - realsz; + } + } + + if (dprec - fieldsz > 0) { + /* leading zeroes from decimal precision */ + PAD(dprec - fieldsz, zeroes); + ret += dprec - fieldsz; + } + + /* the string or number proper */ + //PRINT(cp, size); + if(print_back_to_string(cp,size, &n, &ret, &stream))goto done; + ret += size; + +#ifdef CYGSEM_LIBC_STDIO_PRINTF_FLOATING_POINT + /* trailing f.p. zeroes */ + PAD(fpprec, zeroes); + ret += fpprec; +#endif + + /* left-adjusting padding (always blank) */ + if (flags & LADJUST) { + if (width - realsz > 0) { + PAD(width - realsz, blanks); + ret += width - realsz; + } + } + + } + + done: + error: + return ret;// remove this error stuff (((Cyg_OutputStream *) stream)->get_error() ? EOF : ret); + /* NOTREACHED */ +} + + + +// EOF vfnprintf.c

vfnprintf.c Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: support.h =================================================================== --- support.h (nonexistent) +++ support.h (revision 42) @@ -0,0 +1,69 @@ +/* Support file for or32 tests. This file should is included + in each test. It calls main() function and add support for + basic functions */ + +#ifndef SUPPORT_H +#define SUPPORT_H + +#include +#include +#include +#define OR1K 1 //ME added +#if OR1K + +/* Register access macros */ +#define REG8(add) *((volatile unsigned char *)(add)) +#define REG16(add) *((volatile unsigned short *)(add)) +#define REG32(add) *((volatile unsigned long *)(add)) + +void or32_printf(const char *fmt, ...); + +/* For writing into SPR. */ +void mtspr(unsigned long spr, unsigned long value); + +/* For reading SPR. */ +unsigned long mfspr(unsigned long spr); + +#else /* OR1K */ + +#include + +#endif /* OR1K */ + +#define printf or32_printf + +/* Function to be called at entry point - not defined here. */ +int main (); + +/* Prints out a value */ +void report(unsigned long value); + +/* return value by making a syscall */ +extern void or32_exit (int i) __attribute__ ((__noreturn__)); + +/* memcpy clone */ +/* +extern void *memcpy (void *__restrict __dest, + __const void *__restrict __src, size_t __n); +*/ + +/* Timer functions */ +extern void start_timer(int); +extern unsigned int read_timer(int); + +extern unsigned long excpt_buserr; +extern unsigned long excpt_dpfault; +extern unsigned long excpt_ipfault; +extern unsigned long excpt_tick; +extern unsigned long excpt_align; +extern unsigned long excpt_illinsn; +extern unsigned long excpt_int; +extern unsigned long excpt_dtlbmiss; +extern unsigned long excpt_itlbmiss; +extern unsigned long excpt_range; +extern unsigned long excpt_syscall; +extern unsigned long excpt_break; +extern unsigned long excpt_trap; + + +#endif /* SUPPORT_H */

support.h Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: board.h =================================================================== --- board.h (nonexistent) +++ board.h (revision 42) @@ -0,0 +1,52 @@ +#ifndef _BOARD_H_ +#define _BOARD_H_ + +#define MC_ENABLED 0 + +#define IC_ENABLE 0 +#define IC_SIZE 8192 +#define DC_ENABLE 0 +#define DC_SIZE 8192 + + +#define IN_CLK 25000000 + +#define TICKS_PER_SEC 100 + +#define STACK_SIZE 0x01000 + +#define UART_BAUD_RATE 115200 + +#define UART_BASE 0x90000000 +#define UART_IRQ 2 +#define ETH_BASE 0x92000000 +#define ETH_IRQ 4 +#define I2C_BASE 0x9D000000 +#define I2C_IRQ 3 +#define CAN_BASE 0x94000000 +#define CAN_IRQ 5 + +#define MC_BASE_ADDR 0x60000000 +#define SPI_BASE 0xa0000000 + +#define ETH_DATA_BASE 0xa8000000 /* Address for ETH_DATA */ + +#define BOARD_DEF_IP 0x0a010185 +#define BOARD_DEF_MASK 0xff000000 +#define BOARD_DEF_GW 0x0a010101 + +#define ETH_MACADDR0 0x00 +#define ETH_MACADDR1 0x12 +#define ETH_MACADDR2 0x34 +#define ETH_MACADDR3 0x56 +#define ETH_MACADDR4 0x78 +#define ETH_MACADDR5 0x9a + + +/* Whether online help is available -- saves space */ +#define HELP_ENABLED 1 + +/* Whether self check is enabled */ +#define SELF_CHECK 1 + +#endif

board.h Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: Makefile =================================================================== --- Makefile (nonexistent) +++ Makefile (revision 42) @@ -0,0 +1,37 @@ +all: libsupport.a reset-nocache.o reset-ic.o reset-dc.o reset-icdc.o + +libsupport.a: support.o int.o except.o uart.o vfnprintf.o + $(OR32_TOOL_PREFIX)-ar cru libsupport.a support.o except.o int.o uart.o vfnprintf.o + $(OR32_TOOL_PREFIX)-ranlib libsupport.a + +support.o: support.c + $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -c -o $@ $? + +reset-nocache.o: reset.S + $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -c -DIC=0 -DDC=0 -o $@ $? + +reset-dc.o: reset.S + $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -c -DIC=0 -DDC=1 -o $@ $? + +reset-ic.o: reset.S + $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -c -DIC=1 -DDC=0 -o $@ $? + +reset-icdc.o: reset.S + $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -c -DIC=1 -DDC=1 -o $@ $? + +except.o: except.S + $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -c -o $@ $? + +uart.o: uart.c + $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -c -o $@ $? + +#snprintf.o: snprintf.c +# $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -O2 -c -o $@ $? + +vfnprintf.o: vfnprintf.c + $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -c -o $@ $? + +int.o: int.c + $(OR32_TOOL_PREFIX)-gcc $(GCC_OPT) -c -o $@ $? + +include Makefile.inc

Makefile Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: int.c =================================================================== --- int.c (nonexistent) +++ int.c (revision 42) @@ -0,0 +1,83 @@ +/* This file is part of test microkernel for OpenRISC 1000. */ +/* (C) 2001 Simon Srot, srot@opencores.org */ + +#include "support.h" +#include "spr_defs.h" +#include "int.h" + +#ifdef OR1K + +/* Interrupt handlers table */ +struct ihnd int_handlers[MAX_INT_HANDLERS]; + +/* Initialize routine */ +int int_init() +{ + int i; + + for(i = 0; i < MAX_INT_HANDLERS; i++) { + int_handlers[i].handler = 0; + int_handlers[i].arg = 0; + } + mtspr(SPR_PICMR, 0x00000000); + + //set OR1200 to accept exceptions + mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_IEE); + + return 0; +} + +/* Add interrupt handler */ +int int_add(unsigned long vect, void (* handler)(void *), void *arg) +{ + if(vect >= MAX_INT_HANDLERS) + return -1; + + int_handlers[vect].handler = handler; + int_handlers[vect].arg = arg; + + mtspr(SPR_PICMR, mfspr(SPR_PICMR) | (0x00000001L << vect)); + + return 0; +} + +/* Disable interrupt */ +int int_disable(unsigned long vect) +{ + if(vect >= MAX_INT_HANDLERS) + return -1; + + mtspr(SPR_PICMR, mfspr(SPR_PICMR) & ~(0x00000001L << vect)); + + return 0; +} + +/* Enable interrupt */ +int int_enable(unsigned long vect) +{ + if(vect >= MAX_INT_HANDLERS) + return -1; + + mtspr(SPR_PICMR, mfspr(SPR_PICMR) | (0x00000001L << vect)); + + return 0; +} + +/* Main interrupt handler */ +void int_main() +{ + unsigned long picsr = mfspr(SPR_PICSR); //process only the interrupts asserted at signal catch, ignore all during process + unsigned long i = 0; + + while(i < 32) { + if((picsr & (0x01L << i)) && (int_handlers[i].handler != 0)) { + (*int_handlers[i].handler)(int_handlers[i].arg); + } + i++; + } + + mtspr(SPR_PICSR, 0); //clear interrupt status: all modules have level interrupts, which have to be cleared by software, +} //thus this is safe, since non processed interrupts will get re-asserted soon enough + + +#endif

int.c Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: int.h =================================================================== --- int.h (nonexistent) +++ int.h (revision 42) @@ -0,0 +1,15 @@ + +/* Number of interrupt handlers */ +#define MAX_INT_HANDLERS 32 + +/* Handler entry */ +struct ihnd { + void (*handler)(void *); + void *arg; +}; + +/* Add interrupt handler */ +int int_add(unsigned long vect, void (* handler)(void *), void *arg); + +/* Initialize routine */ +int int_init();

int.h Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: reset.S =================================================================== --- reset.S (nonexistent) +++ reset.S (revision 42) @@ -0,0 +1,113 @@ +/* Support file for c based tests */ +#include "spr_defs.h" +#include "board.h" +#include "mc.h" + + .section .stack + .space STACK_SIZE +_stack: + + .section .reset, "ax" + + .org 0x100 +_reset_vector: + l.nop + l.nop + l.addi r2,r0,0x0 + l.addi r3,r0,0x0 + l.addi r4,r0,0x0 + l.addi r5,r0,0x0 + l.addi r6,r0,0x0 + l.addi r7,r0,0x0 + l.addi r8,r0,0x0 + l.addi r9,r0,0x0 + l.addi r10,r0,0x0 + l.addi r11,r0,0x0 + l.addi r12,r0,0x0 + l.addi r13,r0,0x0 + l.addi r14,r0,0x0 + l.addi r15,r0,0x0 + l.addi r16,r0,0x0 + l.addi r17,r0,0x0 + l.addi r18,r0,0x0 + l.addi r19,r0,0x0 + l.addi r20,r0,0x0 + l.addi r21,r0,0x0 + l.addi r22,r0,0x0 + l.addi r23,r0,0x0 + l.addi r24,r0,0x0 + l.addi r25,r0,0x0 + l.addi r26,r0,0x0 + l.addi r27,r0,0x0 + l.addi r28,r0,0x0 + l.addi r29,r0,0x0 + l.addi r30,r0,0x0 + l.addi r31,r0,0x0 + +/* + l.movhi r3,hi(MC_BASE_ADDR) + l.ori r3,r3,MC_BA_MASK + l.addi r5,r0,0x00 + l.sw 0(r3),r5 + */ + l.movhi r3,hi(_start) + l.ori r3,r3,lo(_start) + l.jr r3 + l.nop + + .section .text + +_start: + +.if IC | DC + /* Flush IC and/or DC */ + l.addi r10,r0,0 + l.addi r11,r0,0 + l.addi r12,r0,0 +.if IC + l.addi r11,r0,IC_SIZE +.endif +.if DC + l.addi r12,r0,DC_SIZE +.endif + l.sfleu r12,r11 + l.bf loop + l.nop + l.add r11,r0,r12 +loop: +.if IC + l.mtspr r0,r10,SPR_ICBIR +.endif +.if DC + l.mtspr r0,r10,SPR_DCBIR +.endif + l.sfne r10,r11 + l.bf loop + l.addi r10,r10,16 + + /* Enable IC and/or DC */ + l.addi r10,r0,(SPR_SR_SM) +.if IC + l.ori r10,r10,(SPR_SR_ICE) +.endif +.if DC + l.ori r10,r10,(SPR_SR_DCE) +.endif + l.mtspr r0,r10,SPR_SR + l.nop + l.nop + l.nop + l.nop + l.nop +.endif + + /* Set stack pointer */ + l.movhi r1,hi(_stack) + l.ori r1,r1,lo(_stack) + + /* Jump to main */ + l.movhi r2,hi(_reset) + l.ori r2,r2,lo(_reset) + l.jr r2 + l.nop +

reset.S Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: mc.h =================================================================== --- mc.h (nonexistent) +++ mc.h (revision 42) @@ -0,0 +1,111 @@ +/* mc.h -- Simulation of Memory Controller + Copyright (C) 2001 by Marko Mlinar, markom@opencores.org + + This file is part of OpenRISC 1000 Architectural Simulator. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/* Prototypes */ +#ifndef __MC_H +#define __MC_H + +#define N_CE (8) + +#define MC_CSR (0x00) +#define MC_POC (0x04) +#define MC_BA_MASK (0x08) +#define MC_CSC(i) (0x10 + (i) * 8) +#define MC_TMS(i) (0x14 + (i) * 8) + +#define MC_ADDR_SPACE (MC_CSC(N_CE)) + +/* POC register field definition */ +#define MC_POC_EN_BW_OFFSET 0 +#define MC_POC_EN_BW_WIDTH 2 +#define MC_POC_EN_MEMTYPE_OFFSET 2 +#define MC_POC_EN_MEMTYPE_WIDTH 2 + +/* CSC register field definition */ +#define MC_CSC_EN_OFFSET 0 +#define MC_CSC_MEMTYPE_OFFSET 1 +#define MC_CSC_MEMTYPE_WIDTH 2 +#define MC_CSC_BW_OFFSET 4 +#define MC_CSC_BW_WIDTH 2 +#define MC_CSC_MS_OFFSET 6 +#define MC_CSC_MS_WIDTH 2 +#define MC_CSC_WP_OFFSET 8 +#define MC_CSC_BAS_OFFSET 9 +#define MC_CSC_KRO_OFFSET 10 +#define MC_CSC_PEN_OFFSET 11 +#define MC_CSC_SEL_OFFSET 16 +#define MC_CSC_SEL_WIDTH 8 + +#define MC_CSC_MEMTYPE_SDRAM 0 +#define MC_CSC_MEMTYPE_SSRAM 1 +#define MC_CSC_MEMTYPE_ASYNC 2 +#define MC_CSC_MEMTYPE_SYNC 3 + +#define MC_CSR_VALID 0xFF000703LU +#define MC_POC_VALID 0x0000000FLU +#define MC_BA_MASK_VALID 0x000000FFLU +#define MC_CSC_VALID 0x00FF0FFFLU +#define MC_TMS_SDRAM_VALID 0x0FFF83FFLU +#define MC_TMS_SSRAM_VALID 0x00000000LU +#define MC_TMS_ASYNC_VALID 0x03FFFFFFLU +#define MC_TMS_SYNC_VALID 0x01FFFFFFLU +#define MC_TMS_VALID 0xFFFFFFFFLU /* reg test compat. */ + +/* TMS register field definition SDRAM */ +#define MC_TMS_SDRAM_TRFC_OFFSET 24 +#define MC_TMS_SDRAM_TRFC_WIDTH 4 +#define MC_TMS_SDRAM_TRP_OFFSET 20 +#define MC_TMS_SDRAM_TRP_WIDTH 4 +#define MC_TMS_SDRAM_TRCD_OFFSET 17 +#define MC_TMS_SDRAM_TRCD_WIDTH 4 +#define MC_TMS_SDRAM_TWR_OFFSET 15 +#define MC_TMS_SDRAM_TWR_WIDTH 2 +#define MC_TMS_SDRAM_WBL_OFFSET 9 +#define MC_TMS_SDRAM_OM_OFFSET 7 +#define MC_TMS_SDRAM_OM_WIDTH 2 +#define MC_TMS_SDRAM_CL_OFFSET 4 +#define MC_TMS_SDRAM_CL_WIDTH 3 +#define MC_TMS_SDRAM_BT_OFFSET 3 +#define MC_TMS_SDRAM_BL_OFFSET 0 +#define MC_TMS_SDRAM_BL_WIDTH 3 + +/* TMS register field definition ASYNC */ +#define MC_TMS_ASYNC_TWWD_OFFSET 20 +#define MC_TMS_ASYNC_TWWD_WIDTH 6 +#define MC_TMS_ASYNC_TWD_OFFSET 16 +#define MC_TMS_ASYNC_TWD_WIDTH 4 +#define MC_TMS_ASYNC_TWPW_OFFSET 12 +#define MC_TMS_ASYNC_TWPW_WIDTH 4 +#define MC_TMS_ASYNC_TRDZ_OFFSET 8 +#define MC_TMS_ASYNC_TRDZ_WIDTH 4 +#define MC_TMS_ASYNC_TRDV_OFFSET 0 +#define MC_TMS_ASYNC_TRDV_WIDTH 8 + +/* TMS register field definition SYNC */ +#define MC_TMS_SYNC_TTO_OFFSET 16 +#define MC_TMS_SYNC_TTO_WIDTH 9 +#define MC_TMS_SYNC_TWR_OFFSET 12 +#define MC_TMS_SYNC_TWR_WIDTH 4 +#define MC_TMS_SYNC_TRDZ_OFFSET 8 +#define MC_TMS_SYNC_TRDZ_WIDTH 4 +#define MC_TMS_SYNC_TRDV_OFFSET 0 +#define MC_TMS_SYNC_TRDV_WIDTH 8 + +#endif

mc.h Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: spr_defs.h =================================================================== --- spr_defs.h (nonexistent) +++ spr_defs.h (revision 42) @@ -0,0 +1,449 @@ +/* spr_defs.h -- Defines OR1K architecture specific special-purpose registers + Copyright (C) 1999 Damjan Lampret, lampret@opencores.org + +This file is part of OpenRISC 1000 Architectural Simulator. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This file is also used by microkernel test bench. Among +others it is also used in assembly file(s). */ + +/* Definition of special-purpose registers (SPRs) */ + +#define MAX_GRPS (32) +#define MAX_SPRS_PER_GRP_BITS (11) +#define MAX_SPRS_PER_GRP (1 << MAX_SPRS_PER_GRP_BITS) +#define MAX_SPRS (0x10000) + +/* Base addresses for the groups */ +#define SPRGROUP_SYS (0<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_DMMU (1<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_IMMU (2<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_DC (3<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_IC (4<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_MAC (5<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_D (6<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_PC (7<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_PM (8<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_PIC (9<< MAX_SPRS_PER_GRP_BITS) +#define SPRGROUP_TT (10<< MAX_SPRS_PER_GRP_BITS) + +/* System control and status group */ +#define SPR_VR (SPRGROUP_SYS + 0) +#define SPR_UPR (SPRGROUP_SYS + 1) +#define SPR_CPUCFGR (SPRGROUP_SYS + 2) +#define SPR_DMMUCFGR (SPRGROUP_SYS + 3) +#define SPR_IMMUCFGR (SPRGROUP_SYS + 4) +#define SPR_DCCFGR (SPRGROUP_SYS + 5) +#define SPR_ICCFGR (SPRGROUP_SYS + 6) +#define SPR_DCFGR (SPRGROUP_SYS + 7) +#define SPR_PCCFGR (SPRGROUP_SYS + 8) +#define SPR_NPC (SPRGROUP_SYS + 16) /* CZ 21/06/01 */ +#define SPR_SR (SPRGROUP_SYS + 17) /* CZ 21/06/01 */ +#define SPR_PPC (SPRGROUP_SYS + 18) /* CZ 21/06/01 */ +#define SPR_EPCR_BASE (SPRGROUP_SYS + 32) /* CZ 21/06/01 */ +#define SPR_EPCR_LAST (SPRGROUP_SYS + 47) /* CZ 21/06/01 */ +#define SPR_EEAR_BASE (SPRGROUP_SYS + 48) +#define SPR_EEAR_LAST (SPRGROUP_SYS + 63) +#define SPR_ESR_BASE (SPRGROUP_SYS + 64) +#define SPR_ESR_LAST (SPRGROUP_SYS + 79) + +#if 0 +/* Data MMU group */ +#define SPR_DMMUCR (SPRGROUP_DMMU + 0) +#define SPR_DTLBMR_BASE(WAY) (SPRGROUP_DMMU + 0x200 + (WAY) * 0x200) +#define SPR_DTLBMR_LAST(WAY) (SPRGROUP_DMMU + 0x2ff + (WAY) * 0x200) +#define SPR_DTLBTR_BASE(WAY) (SPRGROUP_DMMU + 0x300 + (WAY) * 0x200) +#define SPR_DTLBTR_LAST(WAY) (SPRGROUP_DMMU + 0x3ff + (WAY) * 0x200) + +/* Instruction MMU group */ +#define SPR_IMMUCR (SPRGROUP_IMMU + 0) +#define SPR_ITLBMR_BASE(WAY) (SPRGROUP_IMMU + 0x200 + (WAY) * 0x200) +#define SPR_ITLBMR_LAST(WAY) (SPRGROUP_IMMU + 0x2ff + (WAY) * 0x200) +#define SPR_ITLBTR_BASE(WAY) (SPRGROUP_IMMU + 0x300 + (WAY) * 0x200) +#define SPR_ITLBTR_LAST(WAY) (SPRGROUP_IMMU + 0x3ff + (WAY) * 0x200) +#else +/* Data MMU group */ +#define SPR_DMMUCR (SPRGROUP_DMMU + 0) +#define SPR_DTLBMR_BASE(WAY) (SPRGROUP_DMMU + 0x200 + (WAY) * 0x100) +#define SPR_DTLBMR_LAST(WAY) (SPRGROUP_DMMU + 0x27f + (WAY) * 0x100) +#define SPR_DTLBTR_BASE(WAY) (SPRGROUP_DMMU + 0x280 + (WAY) * 0x100) +#define SPR_DTLBTR_LAST(WAY) (SPRGROUP_DMMU + 0x2ff + (WAY) * 0x100) + +/* Instruction MMU group */ +#define SPR_IMMUCR (SPRGROUP_IMMU + 0) +#define SPR_ITLBMR_BASE(WAY) (SPRGROUP_IMMU + 0x200 + (WAY) * 0x100) +#define SPR_ITLBMR_LAST(WAY) (SPRGROUP_IMMU + 0x27f + (WAY) * 0x100) +#define SPR_ITLBTR_BASE(WAY) (SPRGROUP_IMMU + 0x280 + (WAY) * 0x100) +#define SPR_ITLBTR_LAST(WAY) (SPRGROUP_IMMU + 0x2ff + (WAY) * 0x100) +#endif +/* Data cache group */ +#define SPR_DCCR (SPRGROUP_DC + 0) +#define SPR_DCBPR (SPRGROUP_DC + 1) +#define SPR_DCBFR (SPRGROUP_DC + 2) +#define SPR_DCBIR (SPRGROUP_DC + 3) +#define SPR_DCBWR (SPRGROUP_DC + 4) +#define SPR_DCBLR (SPRGROUP_DC + 5) +#define SPR_DCR_BASE(WAY) (SPRGROUP_DC + 0x200 + (WAY) * 0x200) +#define SPR_DCR_LAST(WAY) (SPRGROUP_DC + 0x3ff + (WAY) * 0x200) + +/* Instruction cache group */ +#define SPR_ICCR (SPRGROUP_IC + 0) +#define SPR_ICBPR (SPRGROUP_IC + 1) +#define SPR_ICBIR (SPRGROUP_IC + 2) +#define SPR_ICBLR (SPRGROUP_IC + 3) +#define SPR_ICR_BASE(WAY) (SPRGROUP_IC + 0x200 + (WAY) * 0x200) +#define SPR_ICR_LAST(WAY) (SPRGROUP_IC + 0x3ff + (WAY) * 0x200) + +/* MAC group */ +#define SPR_MACLO (SPRGROUP_MAC + 1) +#define SPR_MACHI (SPRGROUP_MAC + 2) + +/* Debug group */ +#define SPR_DVR(N) (SPRGROUP_D + (N)) +#define SPR_DCR(N) (SPRGROUP_D + 8 + (N)) +#define SPR_DMR1 (SPRGROUP_D + 16) +#define SPR_DMR2 (SPRGROUP_D + 17) +#define SPR_DWCR0 (SPRGROUP_D + 18) +#define SPR_DWCR1 (SPRGROUP_D + 19) +#define SPR_DSR (SPRGROUP_D + 20) +#define SPR_DRR (SPRGROUP_D + 21) + +/* Performance counters group */ +#define SPR_PCCR(N) (SPRGROUP_PC + (N)) +#define SPR_PCMR(N) (SPRGROUP_PC + 8 + (N)) + +/* Power management group */ +#define SPR_PMR (SPRGROUP_PM + 0) + +/* PIC group */ +#define SPR_PICMR (SPRGROUP_PIC + 0) +#define SPR_PICPR (SPRGROUP_PIC + 1) +#define SPR_PICSR (SPRGROUP_PIC + 2) + +/* Tick Timer group */ +#define SPR_TTMR (SPRGROUP_TT + 0) +#define SPR_TTCR (SPRGROUP_TT + 1) + +/* + * Bit definitions for the Version Register + * + */ +#define SPR_VR_VER 0xffff0000 /* Processor version */ +#define SPR_VR_REV 0x0000003f /* Processor revision */ + +/* + * Bit definitions for the Unit Present Register + * + */ +#define SPR_UPR_UP 0x00000001 /* UPR present */ +#define SPR_UPR_DCP 0x00000002 /* Data cache present */ +#define SPR_UPR_ICP 0x00000004 /* Instruction cache present */ +#define SPR_UPR_DMP 0x00000008 /* Data MMU present */ +#define SPR_UPR_IMP 0x00000010 /* Instruction MMU present */ +#define SPR_UPR_OB32P 0x00000020 /* ORBIS32 present */ +#define SPR_UPR_OB64P 0x00000040 /* ORBIS64 present */ +#define SPR_UPR_OF32P 0x00000080 /* ORFPX32 present */ +#define SPR_UPR_OF64P 0x00000100 /* ORFPX64 present */ +#define SPR_UPR_OV32P 0x00000200 /* ORVDX32 present */ +#define SPR_UPR_OV64P 0x00000400 /* ORVDX64 present */ +#define SPR_UPR_DUP 0x00000800 /* Debug unit present */ +#define SPR_UPR_PCUP 0x00001000 /* Performance counters unit present */ +#define SPR_UPR_PMP 0x00002000 /* Power management present */ +#define SPR_UPR_PICP 0x00004000 /* PIC present */ +#define SPR_UPR_TTP 0x00008000 /* Tick timer present */ +#define SPR_UPR_SRP 0x00010000 /* Shadow registers present */ +#define SPR_UPR_RES 0x00fe0000 /* ORVDX32 present */ +#define SPR_UPR_CUST 0xff000000 /* Custom units */ + +/* + * Bit definitions for the Supervision Register + * + */ +#define SPR_SR_CID 0xf0000000 /* Context ID */ +#define SPR_SR_FO 0x00008000 /* Fixed one */ +#define SPR_SR_EPH 0x00004000 /* Exception Prefixi High */ +#define SPR_SR_DSX 0x00002000 /* Delay Slot Exception */ +#define SPR_SR_OVE 0x00001000 /* Overflow flag Exception */ +#define SPR_SR_OV 0x00000800 /* Overflow flag */ +#define SPR_SR_CY 0x00000400 /* Carry flag */ +#define SPR_SR_F 0x00000200 /* Condition Flag */ +#define SPR_SR_CE 0x00000100 /* CID Enable */ +#define SPR_SR_LEE 0x00000080 /* Little Endian Enable */ +#define SPR_SR_IME 0x00000040 /* Instruction MMU Enable */ +#define SPR_SR_DME 0x00000020 /* Data MMU Enable */ +#define SPR_SR_ICE 0x00000010 /* Instruction Cache Enable */ +#define SPR_SR_DCE 0x00000008 /* Data Cache Enable */ +#define SPR_SR_IEE 0x00000004 /* Interrupt Exception Enable */ +#define SPR_SR_TEE 0x00000002 /* Tick timer Exception Enable */ +#define SPR_SR_SM 0x00000001 /* Supervisor Mode */ + +/* + * Bit definitions for the Data MMU Control Register + * + */ +#define SPR_DMMUCR_P2S 0x0000003e /* Level 2 Page Size */ +#define SPR_DMMUCR_P1S 0x000007c0 /* Level 1 Page Size */ +#define SPR_DMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */ +#define SPR_DMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */ + +/* + * Bit definitions for the Instruction MMU Control Register + * + */ +#define SPR_IMMUCR_P2S 0x0000003e /* Level 2 Page Size */ +#define SPR_IMMUCR_P1S 0x000007c0 /* Level 1 Page Size */ +#define SPR_IMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */ +#define SPR_IMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */ + +/* + * Bit definitions for the Data TLB Match Register + * + */ +#define SPR_DTLBMR_V 0x00000001 /* Valid */ +#define SPR_DTLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */ +#define SPR_DTLBMR_CID 0x0000003c /* Context ID */ +#define SPR_DTLBMR_LRU 0x000000c0 /* Least Recently Used */ +#define SPR_DTLBMR_VPN 0xfffff000 /* Virtual Page Number */ + +/* + * Bit definitions for the Data TLB Translate Register + * + */ +#define SPR_DTLBTR_CC 0x00000001 /* Cache Coherency */ +#define SPR_DTLBTR_CI 0x00000002 /* Cache Inhibit */ +#define SPR_DTLBTR_WBC 0x00000004 /* Write-Back Cache */ +#define SPR_DTLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */ +#define SPR_DTLBTR_A 0x00000010 /* Accessed */ +#define SPR_DTLBTR_D 0x00000020 /* Dirty */ +#define SPR_DTLBTR_URE 0x00000040 /* User Read Enable */ +#define SPR_DTLBTR_UWE 0x00000080 /* User Write Enable */ +#define SPR_DTLBTR_SRE 0x00000100 /* Supervisor Read Enable */ +#define SPR_DTLBTR_SWE 0x00000200 /* Supervisor Write Enable */ +#define SPR_DTLBTR_PPN 0xfffff000 /* Physical Page Number */ +#define DTLB_PR_NOLIMIT (SPR_DTLBTR_URE | \ + SPR_DTLBTR_UWE | \ + SPR_DTLBTR_SRE | \ + SPR_DTLBTR_SWE ) +/* + * Bit definitions for the Instruction TLB Match Register + * + */ +#define SPR_ITLBMR_V 0x00000001 /* Valid */ +#define SPR_ITLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */ +#define SPR_ITLBMR_CID 0x0000003c /* Context ID */ +#define SPR_ITLBMR_LRU 0x000000c0 /* Least Recently Used */ +#define SPR_ITLBMR_VPN 0xfffff000 /* Virtual Page Number */ + +/* + * Bit definitions for the Instruction TLB Translate Register + * + */ +#define SPR_ITLBTR_CC 0x00000001 /* Cache Coherency */ +#define SPR_ITLBTR_CI 0x00000002 /* Cache Inhibit */ +#define SPR_ITLBTR_WBC 0x00000004 /* Write-Back Cache */ +#define SPR_ITLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */ +#define SPR_ITLBTR_A 0x00000010 /* Accessed */ +#define SPR_ITLBTR_D 0x00000020 /* Dirty */ +#define SPR_ITLBTR_SXE 0x00000040 /* User Read Enable */ +#define SPR_ITLBTR_UXE 0x00000080 /* User Write Enable */ +#define SPR_ITLBTR_PPN 0xfffff000 /* Physical Page Number */ +#define ITLB_PR_NOLIMIT (SPR_ITLBTR_SXE | \ + SPR_ITLBTR_UXE ) + + +/* + * Bit definitions for Data Cache Control register + * + */ +#define SPR_DCCR_EW 0x000000ff /* Enable ways */ + +/* + * Bit definitions for Insn Cache Control register + * + */ +#define SPR_ICCR_EW 0x000000ff /* Enable ways */ + +/* + * Bit definitions for Debug Control registers + * + */ +#define SPR_DCR_DP 0x00000001 /* DVR/DCR present */ +#define SPR_DCR_CC 0x0000000e /* Compare condition */ +#define SPR_DCR_SC 0x00000010 /* Signed compare */ +#define SPR_DCR_CT 0x000000e0 /* Compare to */ + +/* Bit results with SPR_DCR_CC mask */ +#define SPR_DCR_CC_MASKED 0x00000000 +#define SPR_DCR_CC_EQUAL 0x00000001 +#define SPR_DCR_CC_LESS 0x00000002 +#define SPR_DCR_CC_LESSE 0x00000003 +#define SPR_DCR_CC_GREAT 0x00000004 +#define SPR_DCR_CC_GREATE 0x00000005 +#define SPR_DCR_CC_NEQUAL 0x00000006 + +/* Bit results with SPR_DCR_CT mask */ +#define SPR_DCR_CT_DISABLED 0x00000000 +#define SPR_DCR_CT_IFEA 0x00000020 +#define SPR_DCR_CT_LEA 0x00000040 +#define SPR_DCR_CT_SEA 0x00000060 +#define SPR_DCR_CT_LD 0x00000080 +#define SPR_DCR_CT_SD 0x000000a0 +#define SPR_DCR_CT_LSEA 0x000000c0 + +/* + * Bit definitions for Debug Mode 1 register + * + */ +#define SPR_DMR1_CW0 0x00000003 /* Chain watchpoint 0 */ +#define SPR_DMR1_CW1 0x0000000c /* Chain watchpoint 1 */ +#define SPR_DMR1_CW2 0x00000030 /* Chain watchpoint 2 */ +#define SPR_DMR1_CW3 0x000000c0 /* Chain watchpoint 3 */ +#define SPR_DMR1_CW4 0x00000300 /* Chain watchpoint 4 */ +#define SPR_DMR1_CW5 0x00000c00 /* Chain watchpoint 5 */ +#define SPR_DMR1_CW6 0x00003000 /* Chain watchpoint 6 */ +#define SPR_DMR1_CW7 0x0000c000 /* Chain watchpoint 7 */ +#define SPR_DMR1_CW8 0x00030000 /* Chain watchpoint 8 */ +#define SPR_DMR1_CW9 0x000c0000 /* Chain watchpoint 9 */ +#define SPR_DMR1_CW10 0x00300000 /* Chain watchpoint 10 */ +#define SPR_DMR1_ST 0x00400000 /* Single-step trace*/ +#define SPR_DMR1_BT 0x00800000 /* Branch trace */ +#define SPR_DMR1_DXFW 0x01000000 /* Disable external force watchpoint */ + +/* + * Bit definitions for Debug Mode 2 register + * + */ +#define SPR_DMR2_WCE0 0x00000001 /* Watchpoint counter 0 enable */ +#define SPR_DMR2_WCE1 0x00000002 /* Watchpoint counter 0 enable */ +#define SPR_DMR2_AWTC 0x00001ffc /* Assign watchpoints to counters */ +#define SPR_DMR2_WGB 0x00ffe000 /* Watchpoints generating breakpoint */ + +/* + * Bit definitions for Debug watchpoint counter registers + * + */ +#define SPR_DWCR_COUNT 0x0000ffff /* Count */ +#define SPR_DWCR_MATCH 0xffff0000 /* Match */ + +/* + * Bit definitions for Debug stop register + * + */ +#define SPR_DSR_RSTE 0x00000001 /* Reset exception */ +#define SPR_DSR_BUSEE 0x00000002 /* Bus error exception */ +#define SPR_DSR_DPFE 0x00000004 /* Data Page Fault exception */ +#define SPR_DSR_IPFE 0x00000008 /* Insn Page Fault exception */ +#define SPR_DSR_TTE 0x00000010 /* iTick Timer exception */ +#define SPR_DSR_AE 0x00000020 /* Alignment exception */ +#define SPR_DSR_IIE 0x00000040 /* Illegal Instruction exception */ +#define SPR_DSR_IE 0x00000080 /* Interrupt exception */ +#define SPR_DSR_DME 0x00000100 /* DTLB miss exception */ +#define SPR_DSR_IME 0x00000200 /* ITLB miss exception */ +#define SPR_DSR_RE 0x00000400 /* Range exception */ +#define SPR_DSR_SCE 0x00000800 /* System call exception */ +#define SPR_DSR_SSE 0x00001000 /* Single Step Exception */ +#define SPR_DSR_TE 0x00002000 /* Trap exception */ + +/* + * Bit definitions for Debug reason register + * + */ +#define SPR_DRR_RSTE 0x00000001 /* Reset exception */ +#define SPR_DRR_BUSEE 0x00000002 /* Bus error exception */ +#define SPR_DRR_DPFE 0x00000004 /* Data Page Fault exception */ +#define SPR_DRR_IPFE 0x00000008 /* Insn Page Fault exception */ +#define SPR_DRR_TTE 0x00000010 /* Tick Timer exception */ +#define SPR_DRR_AE 0x00000020 /* Alignment exception */ +#define SPR_DRR_IIE 0x00000040 /* Illegal Instruction exception */ +#define SPR_DRR_IE 0x00000080 /* Interrupt exception */ +#define SPR_DRR_DME 0x00000100 /* DTLB miss exception */ +#define SPR_DRR_IME 0x00000200 /* ITLB miss exception */ +#define SPR_DRR_RE 0x00000400 /* Range exception */ +#define SPR_DRR_SCE 0x00000800 /* System call exception */ +#define SPR_DRR_TE 0x00001000 /* Trap exception */ + +/* + * Bit definitions for Performance counters mode registers + * + */ +#define SPR_PCMR_CP 0x00000001 /* Counter present */ +#define SPR_PCMR_UMRA 0x00000002 /* User mode read access */ +#define SPR_PCMR_CISM 0x00000004 /* Count in supervisor mode */ +#define SPR_PCMR_CIUM 0x00000008 /* Count in user mode */ +#define SPR_PCMR_LA 0x00000010 /* Load access event */ +#define SPR_PCMR_SA 0x00000020 /* Store access event */ +#define SPR_PCMR_IF 0x00000040 /* Instruction fetch event*/ +#define SPR_PCMR_DCM 0x00000080 /* Data cache miss event */ +#define SPR_PCMR_ICM 0x00000100 /* Insn cache miss event */ +#define SPR_PCMR_IFS 0x00000200 /* Insn fetch stall event */ +#define SPR_PCMR_LSUS 0x00000400 /* LSU stall event */ +#define SPR_PCMR_BS 0x00000800 /* Branch stall event */ +#define SPR_PCMR_DTLBM 0x00001000 /* DTLB miss event */ +#define SPR_PCMR_ITLBM 0x00002000 /* ITLB miss event */ +#define SPR_PCMR_DDS 0x00004000 /* Data dependency stall event */ +#define SPR_PCMR_WPE 0x03ff8000 /* Watchpoint events */ + +/* + * Bit definitions for the Power management register + * + */ +#define SPR_PMR_SDF 0x0000000f /* Slow down factor */ +#define SPR_PMR_DME 0x00000010 /* Doze mode enable */ +#define SPR_PMR_SME 0x00000020 /* Sleep mode enable */ +#define SPR_PMR_DCGE 0x00000040 /* Dynamic clock gating enable */ +#define SPR_PMR_SUME 0x00000080 /* Suspend mode enable */ + +/* + * Bit definitions for PICMR + * + */ +#define SPR_PICMR_IUM 0xfffffffc /* Interrupt unmask */ + +/* + * Bit definitions for PICPR + * + */ +#define SPR_PICPR_IPRIO 0xfffffffc /* Interrupt priority */ + +/* + * Bit definitions for PICSR + * + */ +#define SPR_PICSR_IS 0xffffffff /* Interrupt status */ + +/* + * Bit definitions for Tick Timer Control Register + * + */ +#define SPR_TTCR_PERIOD 0x0fffffff /* Time Period */ +#define SPR_TTMR_PERIOD SPR_TTCR_PERIOD +#define SPR_TTMR_IP 0x10000000 /* Interrupt Pending */ +#define SPR_TTMR_IE 0x20000000 /* Interrupt Enable */ +#define SPR_TTMR_RT 0x40000000 /* Restart tick */ +#define SPR_TTMR_SR 0x80000000 /* Single run */ +#define SPR_TTMR_CR 0xc0000000 /* Continuous run */ +#define SPR_TTMR_M 0xc0000000 /* Tick mode */ + +/* + * l.nop constants + * + */ +#define NOP_NOP 0x0000 /* Normal nop instruction */ +#define NOP_EXIT 0x0001 /* End of simulation */ +#define NOP_REPORT 0x0002 /* Simple report */ +#define NOP_PRINTF 0x0003 /* Simprintf instruction */ +#define NOP_REPORT_FIRST 0x0400 /* Report with number */ +#define NOP_REPORT_LAST 0x03ff /* Report with number */

spr_defs.h Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: orp.cfg =================================================================== --- orp.cfg (nonexistent) +++ orp.cfg (revision 42) @@ -0,0 +1,901 @@ +/* sim.cfg -- Simulator configuration script file + Copyright (C) 2001-2002, Marko Mlinar, markom@opencores.org + +This file is part of OpenRISC 1000 Architectural Simulator. +It contains the default configuration and help about configuring +the simulator. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +/* INTRODUCTION + + The ork1sim has various parameters, that are set in configuration files + like this one. The user can switch between configurations at startup by + specifying the required configuration file with the -f option. + If no configuration file is specified or1ksim searches for the default + configuration file sim.cfg. First it searches for './sim.cfg'. If this + file is not found, it searches for '~/or1k/sim.cfg'. If this file is + not found too, it reverts to the built-in default configuration. + + NOTE: Users should not rely on the built-in configuration, since the + default configuration may differ between version. + Rather create a configuration file that sets all critical values. + + This file may contain (standard C) comments only - no // support. + + Configure files may be be included, using: + include "file_name_to_include" + + Like normal configuration files, the included file is divided into + sections. Each section is described in detail also. + + Some section have subsections. One example of such a subsection is: + + device + instance specific parameters... + enddevice + + which creates a device instance. +*/ + + +/* MEMORY SECTION + + This section specifies how the memory is generated and the blocks + it consists of. + + type = random/unknown/pattern + Specifies the initial memory values. + 'random' generates random memory using seed 'random_seed'. + 'pattern' fills memory with 'pattern'. + 'unknown' does not specify how memory should be generated, + leaving the memory in a undefined state. This is the fastest + option. + + random_seed = + random seed for randomizer, used if type = 'random'. + + pattern = + pattern to fill memory, used if type = 'pattern'. + + nmemories = + number of memory instances connected + + baseaddr = + memory start address + + size = + memory size + + name = "" + memory block name + + ce = + chip enable index of the memory instance + + mc = + memory controller this memory is connected to + + delayr = + cycles, required for read access, -1 if instance does not support reading + + delayw = + cycles, required for write access, -1 if instance does not support writing + + log = "" + filename, where to log memory accesses to, no log, if log command is not specified +*/ + + +section memory + /*random_seed = 12345 + type = random*/ + pattern = 0x00 + type = unknown /* Fastest */ + + name = "FLASH" + ce = 0 + mc = 0 + baseaddr = 0x04000000 + size = 0x00200000 + delayr = 1 + delayw = -1 +end + +section memory + /*random_seed = 12345 + type = random*/ + pattern = 0x00 + type = unknown /* Fastest */ + + name = "RAM" + ce = 1 + mc = 0 + baseaddr = 0x00000000 + size = 0x00200000 + delayr = 1 + delayw = 5 +end + +section memory + /*random_seed = 12345 + type = random*/ + pattern = 0x00 + type = unknown /* Fastest */ + + name = "ICM" + mc = 0 + ce = 2 + baseaddr = 0x00800000 + size = 0x00004000 + delayr = 1 + delayw = 1 +end + + +/* IMMU SECTION + + This section configures the Instruction Memory Manangement Unit + + enabled = 0/1 + '0': disabled + '1': enabled + (NOTE: UPR bit is set) + + nsets = + number of ITLB sets; must be power of two + + nways = + number of ITLB ways + + pagesize = + instruction page size; must be power of two + + entrysize = + instruction entry size in bytes + + ustates = + number of ITLB usage states (2, 3, 4 etc., max is 4) + + hitdelay = + number of cycles immu hit costs + + missdelay = + number of cycles immu miss costs +*/ + +section immu + + enabled = 1 + nsets = 32 + nways = 1 + pagesize = 8192 + +end + + +/* DMMU SECTION + + This section configures the Data Memory Manangement Unit + + enabled = 0/1 + '0': disabled + '1': enabled + (NOTE: UPR bit is set) + + nsets = + number of DTLB sets; must be power of two + + nways = + number of DTLB ways + + pagesize = + data page size; must be power of two + + entrysize = + data entry size in bytes + + ustates = + number of DTLB usage states (2, 3, 4 etc., max is 4) + + hitdelay = + number of cycles dmmu hit costs + + missdelay = + number of cycles dmmu miss costs +*/ + +section dmmu + enabled = 1 + nsets = 32 + nways = 1 + pagesize = 8192 +end + + +/* IC SECTION + + This section configures the Instruction Cache + + enabled = 0/1 + '0': disabled + '1': enabled + (NOTE: UPR bit is set) + + nsets = + number of IC sets; must be power of two + + nways = + number of IC ways + + blocksize = + IC block size in bytes; must be power of two + + ustates = + number of IC usage states (2, 3, 4 etc., max is 4) + + hitdelay = + number of cycles ic hit costs + + missdelay = + number of cycles ic miss costs +*/ + +section ic + enabled = 1 + nsets = 512 + nways = 1 + blocksize = 16 +end + + +/* DC SECTION + + This section configures the Data Cache + + enabled = 0/1 + '0': disabled + '1': enabled + (NOTE: UPR bit is set) + + nsets = + number of DC sets; must be power of two + + nways = + number of DC ways + + blocksize = + DC block size in bytes; must be power of two + + ustates = + number of DC usage states (2, 3, 4 etc., max is 4) + + load_hitdelay = + number of cycles dc load hit costs + + load_missdelay = + number of cycles dc load miss costs + + store_hitdelay = + number of cycles dc load hit costs + + store_missdelay = + number of cycles dc load miss costs +*/ + +section dc + enabled = 1 + nsets = 512 + nways = 1 + blocksize = 16 +end + + +/* SIM SECTION + + This section specifies how or1ksim should behave. + + verbose = 0/1 + '0': don't print extra messages + '1': print extra messages + + debug = 0-9 + 0 : no debug messages + 1-9: debug message level. + higher numbers produce more messages + + profile = 0/1 + '0': don't generate profiling file 'sim.profile' + '1': don't generate profiling file 'sim.profile' + + prof_fn = "" + optional filename for the profiling file. + valid only if 'profile' is set + + mprofile = 0/1 + '0': don't generate memory profiling file 'sim.mprofile' + '1': generate memory profiling file 'sim.mprofile' + + mprof_fn = "" + optional filename for the memory profiling file. + valid only if 'mprofile' is set + + history = 0/1 + '0': don't track execution flow + '1': track execution flow + Execution flow can be tracked for the simulator's + 'hist' command. Useful for back-trace debugging. + + iprompt = 0/1 + '0': start in (so what do we start in ???) + '1': start in interactive prompt. + + exe_log = 0/1 + '0': don't generate execution log. + '1': generate execution log. + + exe_log = default/hardware/simple/software + type of execution log, default is used when not specified + + exe_log_start = + index of first instruction to start logging, default = 0 + + exe_log_end = + index of last instruction to end logging; not limited, if omitted + + exe_log_marker = + specifies number of instructions before horizontal marker is + printed; if zero, markers are disabled (default) + + exe_log_fn = "" + filename for the exection log file. + valid only if 'exe_log' is set + + clkcycle = [ps|ns|us|ms] + specifies time measurement for one cycle +*/ + +section sim + verbose = 1 + debug = 0 + profile = 0 + prof_fn = "sim.profile" + + history = 1 + /* iprompt = 0 */ + exe_log = 1 + exe_log_type = hardware +/* exe_log_start = 0 */ +/* exe_log_end = 2000000 */ +/* exe_log_marker = 50 */ + exe_log_fn = "executed.log" + +/* clkcycle = 10000ns */ + +end + + +/* SECTION VAPI + + This section configures the Verification API, used for Advanced + Core Verification. + + enabled = 0/1 + '0': disbable VAPI server + '1': enable/start VAPI server + + server_port = + TCP/IP port to start VAPI server on + + log_enabled = 0/1 + '0': disable VAPI requests logging + '1': enable VAPI requests logging + + hide_device_id = 0/1 + '0': don't log device id (for compatability with old version) + '1': log device id + + + vapi_fn = + filename for the log file. + valid only if log_enabled is set +*/ + +section VAPI + enabled = 0 + server_port = 9998 + log_enabled = 0 + vapi_log_fn = "vapi.log" +end + + +/* CPU SECTION + + This section specifies various CPU parameters. + + ver = + rev = + specifies version and revision of the CPU used + + upr = + changes the upr register + + sr = + sets the initial Supervision Register value + + superscalar = 0/1 + '0': CPU is scalar + '1': CPU is superscalar + (modify cpu/or32/execute.c to tune superscalar model) + + hazards = 0/1 + '0': don't track data hazards in superscalar CPU + '1': track data hazards in superscalar CPU + If tracked, data hazards can be displayed using the + simulator's 'r' command. + + dependstats = 0/1 + '0': don't calculate inter-instruction dependencies. + '1': calculate inter-instruction dependencies. + If calculated, inter-instruction dependencies can be + displayed using the simulator's 'stat' command. + + sbuf_len = + length of store buffer (<= 256), 0 = disabled +*/ + +section cpu + ver = 0x1200 + rev = 0x0001 + /* upr = */ + superscalar = 0 + hazards = 1 + dependstats = 1 + sbuf_len = 1 +end + + +/* PM SECTION + + This section specifies Power Management parameters + + enabled = 0/1 + '0': disable power management + '1': enable power management +*/ + +section pm + enabled = 0 +end + + +/* BPB SECTION + + This section specifies how branch prediction should behave. + + enabled = 0/1 + '0': disable branch prediction + '1': enable branch prediction + + btic = 0/1 + '0': disable branch target instruction cache model + '1': enable branch target instruction cache model + + sbp_bf_fwd = 0/1 + Static branch prediction for 'l.bf' + '0': don't use forward prediction + '1': use forward prediction + + sbp_bnf_fwd = 0/1 + Static branch prediction for 'l.bnf' + '0': don't use forward prediction + '1': use forward prediction + + hitdelay = + number of cycles bpb hit costs + + missdelay = + number of cycles bpb miss costs +*/ + +section bpb + enabled = 1 + btic = 1 + sbp_bf_fwd = 0 + sbp_bnf_fwd = 0 + hitdelay = 0 + missdelay = 0 +end + + +/* DEBUG SECTION + + This sections specifies how the debug unit should behave. + + enabled = 0/1 + '0': disable debug unit + '1': enable debug unit + + gdb_enabled = 0/1 + '0': don't start gdb server + '1': start gdb server at port 'server_port' + + server_port = + TCP/IP port to start gdb server on + valid only if gdb_enabled is set + + vapi_id = + Used to create "fake" vapi log file containing the JTAG proxy messages. +*/ +/* +section debug + enabled = 1 + gdb_enabled = 1 + server_port = 12345 +end +*/ + +/* MC SECTION + + This section configures the memory controller + + enabled = 0/1 + '0': disable memory controller + '1': enable memory controller + + baseaddr = + address of first MC register + + POC = + Power On Configuration register + + index = + Index of this memory controller amongst all the memory controllers +*/ + +section mc + enabled = 1 + baseaddr = 0x60000000 + POC = 0x00000008 /* Power on configuration register */ + index = 0 +end + + +/* UART SECTION + + This section configures the UARTs + + enabled = <0|1> + Enable/disable the peripheral. By default if it is enabled. + + baseaddr = + address of first UART register for this device + + + channel = : + + The channel parameter indicates the source of received UART characters + and the sink for transmitted UART characters. + + The can be either "file", "xterm", "tcp", "fd", or "tty" + (without quotes). + + A) To send/receive characters from a pair of files, use a file + channel: + + channel=file:, + + B) To create an interactive terminal window, use an xterm channel: + + channel=xterm:[]* + + C) To create a bidirectional tcp socket which one could, for example, + access via telnet, use a tcp channel: + + channel=tcp: + + D) To cause the UART to read/write from existing numeric file + descriptors, use an fd channel: + + channel=fd:, + + E) To connect the UART to a physical serial port, create a tty + channel: + + channel=tty:device=/dev/ttyS0,baud=9600 + + irq = + irq number for this device + + 16550 = 0/1 + '0': this device is a UART16450 + '1': this device is a UART16550 + + jitter = + in msecs... time to block, -1 to disable it + + vapi_id = + VAPI id of this instance +*/ + +section uart + enabled = 1 + baseaddr = 0x90000000 + irq = 2 + /*channel = "file:uart0.rx,uart0.tx"*/ + channel = "tcp:10084" + jitter = -1 /* async behaviour */ + 16550 = 1 +end + + +/* DMA SECTION + + This section configures the DMAs + + enabled = <0|1> + Enable/disable the peripheral. By default if it is enabled. + + baseaddr = + address of first DMA register for this device + + irq = + irq number for this device + + vapi_id = + VAPI id of this instance +*/ + +section dma + enabled = 1 + baseaddr = 0x9a000000 + irq = 11 +end + + +/* ETHERNET SECTION + + This section configures the ETHERNETs + + enabled = <0|1> + Enable/disable the peripheral. By default if it is enabled. + + baseaddr = + address of first ethernet register for this device + + dma = + which controller is this ethernet "connected" to + + irq = + ethernet mac IRQ level + + rtx_type = + use 0 - file interface, 1 - socket interface + + rx_channel = + DMA channel used for RX + + tx_channel = + DMA channel used for TX + + rxfile = "" + filename, where to read data from + + txfile = "" + filename, where to write data to + + sockif = "" + interface name of ethernet socket + + vapi_id = + VAPI id of this instance +*/ + +section ethernet + enabled = 1 + baseaddr = 0x92000000 + dma = 0 + irq = 4 + rtx_type = 0 + tx_channel = 0 + rx_channel = 1 + rxfile = "eth0.rx" + txfile = "eth0.tx" + sockif = "eth0" +end + + +/* GPIO SECTION + + This section configures the GPIOs + + enabled = <0|1> + Enable/disable the peripheral. By default if it is enabled. + + baseaddr = + address of first GPIO register for this device + + irq = + irq number for this device + + base_vapi_id = + first VAPI id of this instance + GPIO uses 8 consecutive VAPI IDs +*/ + +section gpio + enabled = 0 + baseaddr = 0x91000000 + irq = 3 + base_vapi_id = 0x0200 +end + +/* VGA SECTION + + This section configures the VGA/LCD controller + + enabled = <0|1> + Enable/disable the peripheral. By default if it is enabled. + + baseaddr = + address of first VGA register + + irq = + irq number for this device + + refresh_rate = + number of cycles between screen dumps + + filename = "" + template name for generated names (e.g. "primary" produces "primary0023.bmp") +*/ + +section vga + enabled = 1 + baseaddr = 0x97100000 + irq = 8 + refresh_rate = 100000 + filename = "primary" +end + + +/* TICK TIMER SECTION + + This section configures tick timer + + enabled = 0/1 + whether tick timer is enabled +*/ +/* +section tick + enabled = 1 + irq = 3 +end +*/ +/* +section pic + enabled = 1 + edge_trigger = 1 +end +*/ + +/* FB SECTION + + This section configures the frame buffer + + enabled = <0|1> + Enable/disable the peripheral. By default if it is enabled. + + baseaddr = + base address of frame buffer + + paladdr = + base address of first palette entry + + refresh_rate = + number of cycles between screen dumps + + filename = "" + template name for generated names (e.g. "primary" produces "primary0023.bmp") +*/ +/* +section fb + enabled = 1 + baseaddr = 0x97000000 + refresh_rate = 1000000 + filename = "primary" +end +*/ + +/* KBD SECTION + + This section configures the PS/2 compatible keyboard + + baseaddr = + base address of the keyboard device + + rxfile = "" + filename, where to read data from +*/ +/* +section kbd + enabled = 1 + irq = 5 + baseaddr = 0x94000000 + rxfile = "kbd.rx" +end +*/ + +/* ATA SECTION + + This section configures the ATA/ATAPI host controller + + baseaddr = + address of first ATA register + + enabled = <0|1> + Enable/disable the peripheral. By default if it is enabled. + + irq = + irq number for this device + + debug = + debug level for ata models. + 0: no debug messages + 1: verbose messages + 3: normal messages (more messages than verbose) + 5: debug messages (normal debug messages) + 7: flow control messages (debug statemachine flows) + 9: low priority message (display everything the code does) + + dev_type0/1 = + ata device 0 type + 0: NO_CONNeCT: none (not connected) + 1: FILE : simulated harddisk + 2: LOCAL : local system harddisk + + dev_file0/1 = "" + filename for simulated ATA device + valid only if dev_type0 == 1 + + dev_size0/1 = + size of simulated hard-disk (in MBytes) + valid only if dev_type0 == 1 + + dev_packet0/1 = + 0: simulated ATA device does NOT implement PACKET command feature set + 1: simulated ATA device does implement PACKET command feature set + + FIXME: irq number +*/ +/* +section ata + enabled = 0 + baseaddr = 0x9e000000 + irq = 15 + + dev_type0 = 1 + dev_file0 = "/tmp/sim_atadev0" + dev_size0 = 1 + dev_packet0 = 0 + + dev_type1 = 0 + dev_file1 = "" + dev_size1 = 0 + dev_packet1 = 0 +end +*/ +

orp.cfg Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: orp.ld =================================================================== --- orp.ld (nonexistent) +++ orp.ld (revision 42) @@ -0,0 +1,69 @@ +/* +MEMORY + { + vectors : ORIGIN = 0x00000000, LENGTH = 0x00002000 + flash : ORIGIN = 0x04000000, LENGTH = 0x00200000 + ram : ORIGIN = 0x00002000, LENGTH = 0x001fe000 + icm : ORIGIN = 0x00800000, LENGTH = 0x00004000 + } + */ +MEMORY + { + reset : ORIGIN = 0x00000000, LENGTH = 0x00000200 + vectors : ORIGIN = 0x00000200, LENGTH = 0x00001000 + ram : ORIGIN = 0x00001200, LENGTH = 0x00006E00 /*0x8000 total*/ + } + +SECTIONS +{ + .reset : + { + *(.reset) + } > reset + + + + .vectors : + { + _vec_start = .; + *(.vectors) + _vec_end = .; + } > vectors + + .text : + { + *(.text) + } > ram + + .rodata : + { + *(.rodata) + *(.rodata.*) + } > ram + + .icm : + { + _icm_start = .; + *(.icm) + _icm_end = .; + } > ram + + .data : + { + _dst_beg = .; + *(.data) + _dst_end = .; + } > ram + + .bss : + { + *(.bss) + } > ram + + .stack (NOLOAD) : + { + *(.stack) + _src_addr = .; + } > ram + +}

orp.ld Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: uart.h =================================================================== --- uart.h (nonexistent) +++ uart.h (revision 42) @@ -0,0 +1,122 @@ + +void uart_init(void); +void uart_putc(char); +char uart_getc(void); + +#define UART_RX 0 /* In: Receive buffer (DLAB=0) */ +#define UART_TX 0 /* Out: Transmit buffer (DLAB=0) */ +#define UART_DLL 0 /* Out: Divisor Latch Low (DLAB=1) */ +#define UART_DLM 1 /* Out: Divisor Latch High (DLAB=1) */ +#define UART_IER 1 /* Out: Interrupt Enable Register */ +#define UART_IIR 2 /* In: Interrupt ID Register */ +#define UART_FCR 2 /* Out: FIFO Control Register */ +#define UART_EFR 2 /* I/O: Extended Features Register */ + /* (DLAB=1, 16C660 only) */ +#define UART_LCR 3 /* Out: Line Control Register */ +#define UART_MCR 4 /* Out: Modem Control Register */ +#define UART_LSR 5 /* In: Line Status Register */ +#define UART_MSR 6 /* In: Modem Status Register */ +#define UART_SCR 7 /* I/O: Scratch Register */ + +/* + * These are the definitions for the FIFO Control Register + * (16650 only) + */ +#define UART_FCR_ENABLE_FIFO 0x01 /* Enable the FIFO */ +#define UART_FCR_CLEAR_RCVR 0x02 /* Clear the RCVR FIFO */ +#define UART_FCR_CLEAR_XMIT 0x04 /* Clear the XMIT FIFO */ +#define UART_FCR_DMA_SELECT 0x08 /* For DMA applications */ +#define UART_FCR_TRIGGER_MASK 0xC0 /* Mask for the FIFO trigger range */ +#define UART_FCR_TRIGGER_1 0x00 /* Mask for trigger set at 1 */ +#define UART_FCR_TRIGGER_4 0x40 /* Mask for trigger set at 4 */ +#define UART_FCR_TRIGGER_8 0x80 /* Mask for trigger set at 8 */ +#define UART_FCR_TRIGGER_14 0xC0 /* Mask for trigger set at 14 */ +/* 16650 redefinitions */ +#define UART_FCR6_R_TRIGGER_8 0x00 /* Mask for receive trigger set at 1 */ +#define UART_FCR6_R_TRIGGER_16 0x40 /* Mask for receive trigger set at 4 */ +#define UART_FCR6_R_TRIGGER_24 0x80 /* Mask for receive trigger set at 8 */ +#define UART_FCR6_R_TRIGGER_28 0xC0 /* Mask for receive trigger set at 14 */ +#define UART_FCR6_T_TRIGGER_16 0x00 /* Mask for transmit trigger set at 16 */ +#define UART_FCR6_T_TRIGGER_8 0x10 /* Mask for transmit trigger set at 8 */ +#define UART_FCR6_T_TRIGGER_24 0x20 /* Mask for transmit trigger set at 24 */ +#define UART_FCR6_T_TRIGGER_30 0x30 /* Mask for transmit trigger set at 30 */ + +/* + * These are the definitions for the Line Control Register + * + * Note: if the word length is 5 bits (UART_LCR_WLEN5), then setting + * UART_LCR_STOP will select 1.5 stop bits, not 2 stop bits. + */ +#define UART_LCR_DLAB 0x80 /* Divisor latch access bit */ +#define UART_LCR_SBC 0x40 /* Set break control */ +#define UART_LCR_SPAR 0x20 /* Stick parity (?) */ +#define UART_LCR_EPAR 0x10 /* Even parity select */ +#define UART_LCR_PARITY 0x08 /* Parity Enable */ +#define UART_LCR_STOP 0x04 /* Stop bits: 0=1 stop bit, 1= 2 stop bits */ +#define UART_LCR_WLEN5 0x00 /* Wordlength: 5 bits */ +#define UART_LCR_WLEN6 0x01 /* Wordlength: 6 bits */ +#define UART_LCR_WLEN7 0x02 /* Wordlength: 7 bits */ +#define UART_LCR_WLEN8 0x03 /* Wordlength: 8 bits */ + +/* + * These are the definitions for the Line Status Register + */ +#define UART_LSR_TEMT 0x40 /* Transmitter empty */ +#define UART_LSR_THRE 0x20 /* Transmit-hold-register empty */ +#define UART_LSR_BI 0x10 /* Break interrupt indicator */ +#define UART_LSR_FE 0x08 /* Frame error indicator */ +#define UART_LSR_PE 0x04 /* Parity error indicator */ +#define UART_LSR_OE 0x02 /* Overrun error indicator */ +#define UART_LSR_DR 0x01 /* Receiver data ready */ + +/* + * These are the definitions for the Interrupt Identification Register + */ +#define UART_IIR_NO_INT 0x01 /* No interrupts pending */ +#define UART_IIR_ID 0x06 /* Mask for the interrupt ID */ + +#define UART_IIR_MSI 0x00 /* Modem status interrupt */ +#define UART_IIR_THRI 0x02 /* Transmitter holding register empty */ +#define UART_IIR_TOI 0x0c /* Receive time out interrupt */ +#define UART_IIR_RDI 0x04 /* Receiver data interrupt */ +#define UART_IIR_RLSI 0x06 /* Receiver line status interrupt */ + +/* + * These are the definitions for the Interrupt Enable Register + */ +#define UART_IER_MSI 0x08 /* Enable Modem status interrupt */ +#define UART_IER_RLSI 0x04 /* Enable receiver line status interrupt */ +#define UART_IER_THRI 0x02 /* Enable Transmitter holding register int. */ +#define UART_IER_RDI 0x01 /* Enable receiver data interrupt */ + +/* + * These are the definitions for the Modem Control Register + */ +#define UART_MCR_LOOP 0x10 /* Enable loopback test mode */ +#define UART_MCR_OUT2 0x08 /* Out2 complement */ +#define UART_MCR_OUT1 0x04 /* Out1 complement */ +#define UART_MCR_RTS 0x02 /* RTS complement */ +#define UART_MCR_DTR 0x01 /* DTR complement */ + +/* + * These are the definitions for the Modem Status Register + */ +#define UART_MSR_DCD 0x80 /* Data Carrier Detect */ +#define UART_MSR_RI 0x40 /* Ring Indicator */ +#define UART_MSR_DSR 0x20 /* Data Set Ready */ +#define UART_MSR_CTS 0x10 /* Clear to Send */ +#define UART_MSR_DDCD 0x08 /* Delta DCD */ +#define UART_MSR_TERI 0x04 /* Trailing edge ring indicator */ +#define UART_MSR_DDSR 0x02 /* Delta DSR */ +#define UART_MSR_DCTS 0x01 /* Delta CTS */ +#define UART_MSR_ANY_DELTA 0x0F /* Any of the delta bits! */ + +/* + * These are the definitions for the Extended Features Register + * (StarTech 16C660 only, when DLAB=1) + */ +#define UART_EFR_CTS 0x80 /* CTS flow control */ +#define UART_EFR_RTS 0x40 /* RTS flow control */ +#define UART_EFR_SCD 0x20 /* Special character detect */ +#define UART_EFR_ENI 0x10 /* Enhanced Interrupt */ +

uart.h Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: vfnprintf.h =================================================================== --- vfnprintf.h (nonexistent) +++ vfnprintf.h (revision 42) @@ -0,0 +1,2 @@ + +int vfnprintf ( char *stream, size_t n, const char *format, va_list arg);

vfnprintf.h Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property