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158 lines
5.4 KiB
158 lines
5.4 KiB
/* $Id: hello.c,v 1.1.1.1 2006/09/14 01:59:08 root Exp $ */
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/*
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* Copyright (c) 2002 Opsycon AB (www.opsycon.se)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Opsycon AB, Sweden.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* This is a simple program that demonstrate the linkage
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* between PMON2000 and a loaded program.
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*/
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typedef long long off_t;
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struct callvectors {
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int (*open) (char *, int, int);
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int (*close) (int);
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int (*read) (int, void *, int);
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int (*write) (int, void *, int);
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off_t (*lseek) (int, off_t, int);
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int (*printf) (const char *, ...);
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void (*cacheflush) (void);
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char *(*gets) (char *);
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};
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struct callvectors *callvec;
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#define printf (*callvec->printf)
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#define gets (*callvec->gets)
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void __gccmain(void);
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void __gccmain(void){}
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//#define linux_outb(val,port) *(volatile unsigned char *)(0xbfd00000+port)=val
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//#define linux_outb_p(val,port) (*(volatile unsigned char *)0xbfc00000,linux_outb(val,port),*(volatile unsigned char *)0xbfc00000)
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//#define linux_inb(port) *(volatile unsigned char *)(0xbfd00000+port)
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//#define linux_inb_p(port) *(volatile unsigned char *)(0xbfd00000+port)
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#define linux_outb(val,port) *(volatile unsigned char *)(BONITO_PCIIO_BASE_VA+port)=val
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#define linux_outb_p(val,port) (*(volatile unsigned char *)0xbfc00000,linux_outb(val,port),*(volatile unsigned char *)0xbfc00000)
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#define linux_inb(port) *(volatile unsigned char *)(BONITO_PCIIO_BASE_VA+port)
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#define linux_inb_p(port) *(volatile unsigned char *)(BONITO_PCIIO_BASE_VA+port)
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static inline unsigned char CMOS_READ(unsigned char addr)
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{
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unsigned char val;
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linux_outb_p(addr, 0x70);
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val = linux_inb_p(0x71);
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return val;
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}
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static inline void CMOS_WRITE(unsigned char val, unsigned char addr)
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{
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linux_outb_p(addr, 0x70);
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linux_outb_p(val, 0x71);
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}
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void init_8259A(int auto_eoi)
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{
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linux_outb(0xff, 0x21); /* mask all of 8259A-1 */
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linux_outb(0xff, 0xA1); /* mask all of 8259A-2 */
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/*
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* linux_outb_p - this has to work on a wide range of PC hardware.
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*/
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linux_outb_p(0x11, 0x20); /* ICW1: select 8259A-1 init */
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linux_outb_p(0x00, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x00-0x07 */
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linux_outb_p(0x04, 0x21); /* 8259A-1 (the master) has a slave on IR2 */
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if (auto_eoi)
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linux_outb_p(0x03, 0x21); /* master does Auto EOI */
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else
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linux_outb_p(0x01, 0x21); /* master expects normal EOI */
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linux_outb_p(0x11, 0xA0); /* ICW1: select 8259A-2 init */
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linux_outb_p(0x08, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x08-0x0f */
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linux_outb_p(0x02, 0xA1); /* 8259A-2 is a slave on master's IR2 */
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linux_outb_p(0x01, 0xA1); /* (slave's support for AEOI in flat mode
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is to be investigated) */
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}
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int
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main(int argc, char **argv, char **env, struct callvectors *cv)
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{
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char str[256];
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char **ev;
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int i;
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unsigned stat;
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callvec = cv;
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printf("\n\nHello! This is the 'hello' program!\n\n");
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init_8259A(0);
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//*(volatile char *)0xbfd00021=0;
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//*(volatile char *)0xbfd000a1=0;
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*(volatile char *)(BONITO_PCIIO_BASE_VA+0x21)=0;
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*(volatile char *)(BONITO_PCIIO_BASE_VA+0xa1)=0;
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// linux_outb(0x60,0x64);
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// linux_outb(0x2,0x60);
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// asm("mfc0 $2,$12;\r\nor $2,0xf01;\r\n mtc0 $2,$12\r\n":::"$2");
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asm("mfc0 %0,$12;":"=r"(stat));
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stat|=0x1|(1<<13);
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asm("mtc0 %0,$12;"::"r"(stat));
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asm("mfc0 %0,$12;":"=r"(stat));
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printf("stat=%x\n",stat);
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printf("time is %d:%d:%d\n",CMOS_READ(0x4),CMOS_READ(0x2),CMOS_READ(0x0));
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#if 0
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CMOS_WRITE(CMOS_READ(0x4),5);
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CMOS_WRITE(CMOS_READ(0x2),3);
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CMOS_WRITE(CMOS_READ(0x0),1);
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CMOS_WRITE(CMOS_READ(0xb)|(7<<4),0xb);
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#endif
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gets(str);
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return 0;
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printf("It was invoked with:\n");
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for (i = 0; i < argc; i++) {
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printf("Arg %2d: %s\n", i, argv[i]);
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}
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printf("\nEnvironment setup = \n");
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ev = env;
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while(*ev) {
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printf("\t%s\n", *ev);
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ev++;
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}
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printf("\n\n");
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printf("Type '<ctl>C' to stop the program\n");
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gets(str);
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printf("Ehhh.. you typed '%s'\n", str);
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return(0);
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}
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