FreeCalypso > hg > freecalypso-sw
diff target-utils/libload/cmd_memdump_machine.c @ 19:c0e063494194
loadagent built with memory dump commands
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sat, 04 May 2013 00:25:30 +0000 |
parents | |
children | 9ee91bc6057c |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/libload/cmd_memdump_machine.c Sat May 04 00:25:30 2013 +0000 @@ -0,0 +1,50 @@ +/* + * This is a machine-oriented memory dump command. The output is in the + * form of S3 records. + */ + +#include <sys/types.h> +#include "types.h" + +void +cmd_memdump_machine(argbulk) + char *argbulk; +{ + char *argv[3]; + u_long start, length; + u_long addr; + u_char srbuf[0x86], cksum; + int i; + + if (parse_args(argbulk, 2, 2, argv, 0) < 0) + return; + if (parse_hexarg(argv[0], 8, &start) < 0) { + printf("ERROR: arg1 must be a valid 32-bit hex address\n"); + return; + } + if (parse_hexarg(argv[1], 2, &length) < 0) { + printf("ERROR: arg2 must be a valid 32-bit hex value (length)\n"); + return; + } + if (start & 0x7F || length & 0x7F) { + printf("ERROR: implementation limit: 128-byte alignment required\n"); + return; + } + srbuf[0] = 0x85; + for (addr = start; addr < start + length; addr += 0x80) { + srbuf[1] = addr >> 24; + srbuf[2] = addr >> 16; + srbuf[3] = addr >> 8; + srbuf[4] = addr; + bcopy(addr, srbuf + 5, 0x80); + cksum = 0; + for (i = 0; i < 0x85; i++) + cksum += srbuf[i]; + srbuf[i] = ~cksum; + putchar('S'); + putchar('3'); + for (i = 0; i < 0x86; i++) + printf("%02X", srbuf[i]); + putchar('\n'); + } +}