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- static char _[] = "@(#)icmd.c 5.20 93/07/30 16:38:37, Srini, AMD.";
- /******************************************************************************
- * Copyright 1991 Advanced Micro Devices, Inc.
- *
- * This software is the property of Advanced Micro Devices, Inc (AMD) which
- * specifically grants the user the right to modify, use and distribute this
- * software provided this notice is not removed or altered. All other rights
- * are reserved by AMD.
- *
- * AMD MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS
- * SOFTWARE. IN NO EVENT SHALL AMD BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL
- * DAMAGES IN CONNECTION WITH OR ARISING FROM THE FURNISHING, PERFORMANCE, OR
- * USE OF THIS SOFTWARE.
- *
- * So that all may benefit from your experience, please report any problems
- * or suggestions about this software to the 29K Technical Support Center at
- * 800-29-29-AMD (800-292-9263) in the USA, or 0800-89-1131 in the UK, or
- * 0031-11-1129 in Japan, toll free. The direct dial number is 512-462-4118.
- *
- * Advanced Micro Devices, Inc.
- * 29K Support Products
- * Mail Stop 573
- * 5900 E. Ben White Blvd.
- * Austin, TX 78741
- * 800-292-9263
- *****************************************************************************
- * Engineer: Srini Subramanian.
- *****************************************************************************
- ** This code implements a subset of the MON29K-like "i"
- ** commands. Access the 2903x cashe, ix, ia, il
- *****************************************************************************
- */
-
-
- #include <stdio.h>
- #include <ctype.h>
- #include <memory.h>
- #include "main.h"
- #include "macros.h"
- #include "miniint.h"
- #include "memspcs.h"
- #include "error.h"
-
-
- #ifdef MSDOS
- #include <stdlib.h>
- #include <string.h>
- #else
- #include <string.h>
- #endif
-
- INT32 i_cmd PARAMS((char **, int));
- INT32 ix_cmd PARAMS((char **, int));
- INT32 il_cmd PARAMS((char **, int));
-
- int get_addr_29k PARAMS((char *, struct addr_29k_t *));
- int addr_29k_ok PARAMS((struct addr_29k_t *));
- int print_addr_29k PARAMS((INT32, ADDR32));
- int get_word PARAMS((char *buffer, INT32 *data_word));
- void convert32 PARAMS(( BYTE *byte));
-
- void dasm_instr PARAMS((ADDR32, struct instr_t *));
-
- /* Variable definitions */
- struct xp_cmd_t {
- INT32 vtb;
- INT32 ops;
- INT32 cps;
- INT32 cfg;
- INT32 cha;
- INT32 chd;
- INT32 chc;
- INT32 rbp;
- INT32 tmc;
- INT32 tmr;
- INT32 pc0;
- INT32 pc1;
- INT32 pc2;
- INT32 mmuc;
- INT32 lru;
- };
- #define XP_CMD_SZ 15 * sizeof (INT32)
- /* #define XP_CMD_SZ sizeof(struct xp_cmd_t) */
-
-
- INT32
- i_cmd(token, token_count)
- char *token[];
- int token_count;
- {
- INT32 result;
-
- if (strcmp(token[0], "ix") == 0)
- result = ix_cmd(token, token_count);
- else
- if (strcmp(token[0], "il") == 0)
- result = il_cmd(token, token_count);
- else
- result = EMSYNTAX;
-
- return (result);
- } /* end xcmd() */
-
-
-
- /*
- ** The function below is used to implement the MON29K-like
- ** "i" commands. the function below, i_cmd() is called
- ** in the main command loop parser of the monitor. The
- ** parameters passed to this function are:
- **
- ** token - This is an array of pointers to strings. Each string
- ** referenced by this array is a "token" of the user's
- ** input, translated to lower case.
- **
- ** token_count - This is the number of tokens in "token".
- **
- ** This function then calls the specific "i" commands,
- ** such as "ix", "il" or "ia".
- */
-
- /*
- ** il
- ** This command will dissasseble the contents of the cache
- ** This command is used to examine the contents of the cache
- ** in the Am29030. First set 0 is printed, starting with the
- ** This command will dissasseble the contents of the cache
- ** tag, followed by a disassembly of four instructions in
- ** the set. Set 1 for the line follows similarly.
- **
- ** The data comes in from the READ_ACK message in the following
- ** order:
- **
- ** tag (data[0-3] (set 0)
- ** instr1 (data[4-7]
- ** instr1 (data[8-11]
- ** instr1 (data[12-15]
- ** instr1 (data[16-19]
- **
- ** tag (data[20-23] (set 1)
- ** instr1 (data[24-27]
- ** instr1 (data[28-31]
- ** instr1 (data[32-35]
- ** instr1 (data[36-39]
- */
-
- INT32
- il_cmd(token, token_count)
- char *token[];
- int token_count;
- {
- static INT32 memory_space=I_CACHE;
- static ADDR32 cache_line=0;
- static INT32 byte_count=(10*sizeof(INST32));
- static INT32 count=1;
- ADDR32 address;
- INT32 i;
- int j;
- int set;
- int index;
- int result;
- struct instr_t instr;
- INT32 cache_line_start;
- INT32 cache_line_end;
-
- INT32 retval;
- INT32 bytes_ret;
- INT32 host_endian;
- BYTE read_buffer[10*sizeof(INST32)];
- char prtbuf[256];
-
-
- /* Is it an 'il' command? */
- if (strcmp(token[0], "il") != 0)
- return (EMSYNTAX);
-
- /*
- ** Parse parameters
- */
-
- if (token_count == 1) {
- cache_line = cache_line + count;
- }
- else
- if (token_count == 2) {
- result = get_word(token[1], &cache_line_start);
- if (result != 0)
- return (EMSYNTAX);
- if ((cache_line_start < 0) ||
- (cache_line_start >255))
- return (EMBADADDR);
- cache_line = cache_line_start;
- }
- else
- if (token_count == 3) {
- /* Get first cache line to be dumped */
- result = get_word(token[1], &cache_line_start);
- if (result != 0)
- return (EMSYNTAX);
- if ((cache_line_start < 0) ||
- (cache_line_start > 255))
- return (EMBADADDR);
- /* Get last cache line to be dumped */
- result = get_word(token[2], &cache_line_end);
- if (result != 0)
- return (EMSYNTAX);
- if ((cache_line_end < 0) ||
- (cache_line_end > 255))
- return (EMBADADDR);
- if (cache_line_start > cache_line_end)
- return (EMBADADDR);
- cache_line = cache_line_start;
- count = (cache_line_end - cache_line_start) + 1;
- }
- else
- /* Too many args */
- return (EMSYNTAX);
-
- i = 0;
- while (i < count) {
-
- host_endian = FALSE;
- if ((retval = Mini_read_req(memory_space,
- (cache_line + i),
- byte_count/4,
- (INT16) 4, /* size */
- &bytes_ret,
- read_buffer,
- host_endian)) != SUCCESS) {
- return(FAILURE);
- };
- /* The following is executed if SUCCESSful */
-
- for (set=0; set<2; set++) {
-
- /* Print out formatted address tag and status information */
- index = (set * 20);
- sprintf(&prtbuf[0], "\n");
- sprintf(&prtbuf[strlen(prtbuf)], "Cache line 0x%lx, set %d.\n", (int) (cache_line+i), set);
- sprintf(&prtbuf[strlen(prtbuf)], "\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf (io_config.echo_file, "%s", &prtbuf[0]);
- fprintf (stderr, "%s", &prtbuf[0]);
- sprintf(&prtbuf[0], "IATAG V P US\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf (io_config.echo_file, "%s", &prtbuf[0]);
- fprintf (stderr, "%s", &prtbuf[0]);
- sprintf(&prtbuf[0], "%02x%02x%1x %1x %1x %1x\n",
- read_buffer[index],
- read_buffer[index + 1],
- ((read_buffer[index + 2] >> 4) & 0x0f),
- ((read_buffer[index + 3] >> 2) & 0x01),
- ((read_buffer[index + 3] >> 1) & 0x01),
- (read_buffer[index + 3] & 0x01));
- sprintf(&prtbuf[strlen(prtbuf)], "\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf (io_config.echo_file, "%s", &prtbuf[0]);
- fprintf (stderr, "%s", &prtbuf[0]);
-
- /* Address = IATAG + line_number + <16 byte adddress> */
- address = ((read_buffer[index] << 24) |
- (read_buffer[index + 1] << 16) |
- (read_buffer[index + 2] << 8) |
- ((cache_line+i) << 4));
-
- /* Disassemble four words */
- for (j=0; j<4; j=j+1) {
- index = (set * 20) + ((j+1) * sizeof(INT32));
- instr.op = read_buffer[index];
- instr.c = read_buffer[index + 1];
- instr.a = read_buffer[index + 2];
- instr.b = read_buffer[index + 3];
-
- /* Print address of instruction (in hex) */
- address = (address & 0xfffffff0); /* Clear low four bits */
- address = (address | (j << 2));
- fprintf(stderr, "%08lx ", address);
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf(io_config.echo_file, "%08lx ", address);
-
- /* Print instruction (in hex) */
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf(io_config.echo_file, "%02x%02x%02x%02x ", instr.op, instr.c,
- instr.a, instr.b);
- fprintf(stderr, "%02x%02x%02x%02x ", instr.op, instr.c,
- instr.a, instr.b);
-
- /* Disassemble instruction */
- dasm_instr(address, &instr);
- fprintf(stderr, "\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf(io_config.echo_file, "\n");
-
- } /* end for(j) */
-
- fprintf(stderr, "\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf(io_config.echo_file, "\n");
-
- } /* end for(set) */
-
- i = i + 1;
-
- } /* end while loop */
-
- return (0);
-
- } /* end il_cmd() */
-
-
-
- /*
- ** ix
- ** This command will dump the contents of the cache in hex
- ** This command is used to examine the contents of the cache
- ** in the Am29030.
- ** First set 0 is printed, starting with the
- ** tag, followed by a disassembly of four instructions in
- ** the set. Set 1 for the line follows similarly.
- **
- ** The data comes in from the READ_ACK message in the following
- ** order:
- **
- ** tag (data[0-3] (set 0)
- ** instr1 (data[4-7]
- ** instr1 (data[8-11]
- ** instr1 (data[12-15]
- ** instr1 (data[16-19]
- **
- ** tag (data[20-23] (set 1)
- ** instr1 (data[24-27]
- ** instr1 (data[28-31]
- ** instr1 (data[32-35]
- ** instr1 (data[36-39]
- */
-
- INT32
- ix_cmd(token, token_count)
- char *token[];
- int token_count;
- {
- static INT32 memory_space=I_CACHE;
- static ADDR32 cache_line=0;
- static INT32 byte_count=(10*sizeof(INST32));
- static INT32 count=1;
- ADDR32 address;
- INT32 i;
- int j;
- int set;
- int index;
- int result;
- struct instr_t instr;
- INT32 cache_line_start;
- INT32 cache_line_end;
-
- INT32 retval;
- INT32 bytes_ret;
- INT32 host_endian;
- BYTE read_buffer[10*sizeof(INST32)];
- char prtbuf[256];
-
-
- /* Is it an 'ix' command? */
- if (strcmp(token[0], "ix") != 0)
- return (EMSYNTAX);
-
- /*
- ** Parse parameters
- */
- if (token_count == 1) {
- cache_line = cache_line + count;
- }
- else
- if (token_count == 2) {
- result = get_word(token[1], &cache_line_start);
- if (result != 0)
- return (EMSYNTAX);
- if ((cache_line_start < 0) ||
- (cache_line_start >255))
- return (EMBADADDR);
- cache_line = cache_line_start;
- }
- else
- if (token_count == 3) {
- /* Get first cache line to be dumped */
- result = get_word(token[1], &cache_line_start);
- if (result != 0)
- return (EMSYNTAX);
- if ((cache_line_start < 0) ||
- (cache_line_start > 255))
- return (EMBADADDR);
- /* Get last cache line to be dumped */
- result = get_word(token[2], &cache_line_end);
- if (result != 0)
- return (EMSYNTAX);
- if ((cache_line_end < 0) ||
- (cache_line_end > 255))
- return (EMBADADDR);
- if (cache_line_start > cache_line_end)
- return (EMBADADDR);
- cache_line = cache_line_start;
- count = (cache_line_end - cache_line_start) + 1;
- }
- else
- /* Too many args */
- return (EMSYNTAX);
-
- i = 0;
- while (i < count) {
-
- host_endian = FALSE;
- if ((retval = Mini_read_req(memory_space,
- (cache_line + i),
- byte_count/4,
- (INT16) 4, /* size */
- &bytes_ret,
- read_buffer,
- host_endian)) != SUCCESS) {
- return(FAILURE);
- };
- /* The following is executed if SUCCESSful */
-
- for (set=0; set<2; set++) {
-
- /* Print out formatted address tag and status information */
- index = (set * 20);
- sprintf(&prtbuf[0], "\n");
- sprintf(&prtbuf[strlen(prtbuf)], "Cache line 0x%lx, set %d.\n", (int) (cache_line+i), set);
- sprintf(&prtbuf[strlen(prtbuf)], "\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf (io_config.echo_file, "%s", &prtbuf[0]);
- fprintf (stderr, "%s", &prtbuf[0]);
- sprintf(&prtbuf[0], "IATAG V P US\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf (io_config.echo_file, "%s", &prtbuf[0]);
- fprintf (stderr, "%s", &prtbuf[0]);
- sprintf(&prtbuf[0], "%02x%02x%1x %1x %1x %1x\n",
- read_buffer[index],
- read_buffer[index + 1],
- ((read_buffer[index + 2] >> 4) & 0x0f),
- ((read_buffer[index + 3] >> 2) & 0x01),
- ((read_buffer[index + 3] >> 1) & 0x01),
- (read_buffer[index + 3] & 0x01));
- sprintf(&prtbuf[strlen(prtbuf)], "\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf (io_config.echo_file, "%s", &prtbuf[0]);
- fprintf (stderr, "%s", &prtbuf[0]);
-
- /* Address = IATAG + line_number + <16 byte adddress> */
- address = ((read_buffer[index] << 24) |
- (read_buffer[index + 1] << 16) |
- (read_buffer[index + 2] << 8) |
- ((cache_line+i) << 4));
-
- /* Disassemble four words */
- for (j=0; j<4; j=j+1) {
- index = (set * 20) + ((j+1) * sizeof(INT32));
- instr.op = read_buffer[index];
- instr.c = read_buffer[index + 1];
- instr.a = read_buffer[index + 2];
- instr.b = read_buffer[index + 3];
-
- /* Print address of instruction (in hex) */
- address = (address & 0xfffffff0); /* Clear low four bits */
- address = (address | (j << 2));
- fprintf(stderr, "%08lx ", address);
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf(io_config.echo_file, "%08lx ", address);
-
- /* Print instruction (in hex) */
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf(io_config.echo_file, "%02x%02x%02x%02x ", instr.op, instr.c,
- instr.a, instr.b);
- fprintf(stderr, "%02x%02x%02x%02x ", instr.op, instr.c,
- instr.a, instr.b);
-
- /* Disassemble instruction */
- dasm_instr(address, &instr);
- fprintf(stderr, "\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf(io_config.echo_file, "\n");
-
- } /* end for(j) */
-
- fprintf(stderr, "\n");
- if (io_config.echo_mode == (INT32) TRUE)
- fprintf(io_config.echo_file, "\n");
-
- } /* end for(set) */
-
- i = i + 1;
-
- } /* end while loop */
-
- return (0);
-
- } /* end ix_cmd() */
-
-
-