diff options
Diffstat (limited to 'libgloss/m32r/m32r-lib.c')
-rw-r--r-- | libgloss/m32r/m32r-lib.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/libgloss/m32r/m32r-lib.c b/libgloss/m32r/m32r-lib.c deleted file mode 100644 index cad55f5..0000000 --- a/libgloss/m32r/m32r-lib.c +++ /dev/null @@ -1,142 +0,0 @@ -/* Stand-alone library for M32R-EVA board. - * - * Copyright (c) 1996, 1998 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -/* #define REVC to enable handling of the original RevC board, - which is no longer the default, nor is it supported. */ - -#ifndef REVC - -/* Serial I/O routines for MSA2000G01 board */ -#define UART_INCHAR_ADDR 0xff004009 -#define UART_OUTCHR_ADDR 0xff004007 -#define UART_STATUS_ADDR 0xff004002 - -#else - -/* Serial I/O routines for M32R-EVA board */ -#define UART_INCHAR_ADDR 0xff102013 -#define UART_OUTCHR_ADDR 0xff10200f -#define UART_STATUS_ADDR 0xff102006 - -#endif - -#define UART_INPUT_EMPTY 0x4 -#define UART_OUTPUT_EMPTY 0x1 - -static volatile char *rx_port = (unsigned char *) UART_INCHAR_ADDR; -static volatile char *tx_port = (char *) UART_OUTCHR_ADDR; -static volatile short *rx_status = (short *) UART_STATUS_ADDR; -static volatile short *tx_status = (short *) UART_STATUS_ADDR; - -static int -rx_rdy() -{ -#ifndef REVC - return (*rx_status & UART_INPUT_EMPTY); -#else - return !(*rx_status & UART_INPUT_EMPTY); -#endif -} - -static int -tx_rdy() -{ - return (*tx_status & UART_OUTPUT_EMPTY); -} - -static unsigned char -rx_uchar() -{ - return *rx_port; -} - -void -tx_char(char c) -{ - *tx_port = c; -} - -int -getDebugChar() -{ - while (!rx_rdy()) - ; - return rx_uchar(); -} - -void -putDebugChar(int c) -{ - while (!tx_rdy()) - ; - tx_char(c); -} - -void mesg(char *p) -{ - while (*p) - { - if (*p == '\n') - putDebugChar('\r'); - putDebugChar(*p++); - } -} - -void phex(long x) -{ - char buf[9]; - int i; - - buf[8] = '\0'; - for (i = 7; i >= 0; i--) - { - char c = x & 0x0f; - buf[i] = c < 10 ? c + '0' : c - 10 + 'A'; - x >>= 4; - } - mesg(buf); -} - -/* Setup trap TT to go to ROUTINE. */ - -void -exceptionHandler (int tt, unsigned long routine) -{ -#ifndef REVC - unsigned long *tb = (unsigned long *) 0x40; /* Trap vector base address */ - - tb[tt] = ((routine >> 2) | 0xff000000) - tt - (0x40 >> 2); -#else - unsigned long *tb = 0; /* Trap vector base address */ - - tb[tt] = ((routine >> 2) | 0xff000000) - tt; -#endif -} - -/* Return the address of trap TT handler */ - -unsigned long -getExceptionHandler (int tt) -{ -#ifndef REVC - unsigned long *tb = (unsigned long *) 0x40; /* Trap vector base address */ - - return ((tb[tt] + tt + (0x40 >> 2)) | 0xff000000) << 2; -#else - unsigned long *tb = 0; /* Trap vector base address */ - - return ((tb[tt] + tt) | 0xff000000) << 2; -#endif -} |