FreeCalypso > hg > freecalypso-sw
changeset 19:c0e063494194
loadagent built with memory dump commands
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Sat, 04 May 2013 00:25:30 +0000 |
parents | fa3e9a5665bd |
children | be293e656a6f |
files | target-utils/libload/Makefile target-utils/libload/cmd_memdump_human.c target-utils/libload/cmd_memdump_machine.c target-utils/loadagent/Makefile target-utils/loadagent/cmdtab.c target-utils/loadagent/main.c target-utils/loadagent/mygetchar.c |
diffstat | 7 files changed, 216 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/libload/Makefile Sat May 04 00:25:30 2013 +0000 @@ -0,0 +1,16 @@ +CC= arm-elf-gcc +CFLAGS= -Os -fno-builtin +CPPFLAGS=-I../include +AR= arm-elf-ar +RANLIB= arm-elf-ranlib + +OBJS= cmd_memdump_human.o cmd_memdump_machine.o + +all: libload.a + +libload.a: ${OBJS} + ${AR} cru $@ ${OBJS} + ${RANLIB} $@ + +clean: + rm -f *.[oa] *errs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/libload/cmd_memdump_human.c Sat May 04 00:25:30 2013 +0000 @@ -0,0 +1,50 @@ +/* + * This is a human-oriented memory dump command. The dump is given in + * both hex and ASCII, with readable spacing. + */ + +#include <sys/types.h> +#include "types.h" + +void +cmd_memdump_human(argbulk) + char *argbulk; +{ + char *argv[3]; + u_long start, length; + u_long offset; + u_char intbuf[16]; + int i, c; + + 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 & 0xF || length & 0xF) { + printf("ERROR: implementation limit: 16-byte alignment required\n"); + return; + } + for (offset = 0; offset < length; offset += 0x10) { + bcopy(start + offset, intbuf, 0x10); + printf("%08X: ", start + offset); + for (i = 0; i < 16; i++) { + printf("%02X ", intbuf[i]); + if ((i & 3) == 3) + putchar(' '); + } + for (i = 0; i < 16; i++) { + c = intbuf[i]; + if (c >= ' ' && c <= '~') + putchar(c); + else + putchar('.'); + } + putchar('\n'); + } +}
--- /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'); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/loadagent/Makefile Sat May 04 00:25:30 2013 +0000 @@ -0,0 +1,31 @@ +CC= arm-elf-gcc +CFLAGS= -Os -fno-builtin +CPPFLAGS=-I../include +LD= arm-elf-ld +OBJCOPY=arm-elf-objcopy + +PROG= loadagent +OBJS= crt0.o cmdtab.o main.o mygetchar.o +LIBS= ../libcommon/libcommon.a ../libload/libload.a ../libprintf/libprintf.a +LDS= ../env/iram.lds + +TC_LIBS=`${CC} -print-file-name=libc.a` \ + `${CC} -print-file-name=libgcc.a` + +all: ${PROG}.srec + +crt0.S: ../env/crt0.S + ln -s $< . + +${PROG}.elf: ${OBJS} ${LIBS} ${LDS} + ${LD} -N --defsym stack_bottom=0x83FFFC -T ${LDS} -o $@ ${OBJS} \ + --start-group ${LIBS} --end-group \ + --start-group ${TC_LIBS} --end-group + +${PROG}.srec: ${PROG}.elf + ${OBJCOPY} -O srec --srec-forceS3 --srec-len=30 $< $@ + +clean: + rm -f *.o *errs *core *.elf *.bin *.srec crt0.S + +FRC:
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/loadagent/cmdtab.c Sat May 04 00:25:30 2013 +0000 @@ -0,0 +1,23 @@ +#include "cmdtab.h" + +extern void cmd_r8(); +extern void cmd_r16(); +extern void cmd_r32(); +extern void cmd_w8(); +extern void cmd_w16(); +extern void cmd_w32(); + +extern void cmd_memdump_human(); +extern void cmd_memdump_machine(); + +const struct cmdtab cmdtab[] = { + {"DUMP", cmd_memdump_machine}, + {"dump", cmd_memdump_human}, + {"r8", cmd_r8}, + {"r16", cmd_r16}, + {"r32", cmd_r32}, + {"w8", cmd_w8}, + {"w16", cmd_w16}, + {"w32", cmd_w32}, + {0, 0} +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/loadagent/main.c Sat May 04 00:25:30 2013 +0000 @@ -0,0 +1,25 @@ +/* + * FreeCalypso loadagent main() function lives here + */ + +#include "types.h" +#include "romvars.h" + +extern struct boot_rom_vars rom_vars; + +extern char *uart_name; + +main() +{ + uart_select_init(); + printf("FreeCalypso loadagent running\n"); + printf("Loaded via UART %d (%s) at baud rate #%d\n", rom_vars.uart_id, + uart_name, rom_vars.baud_rate_code); + printf("TCXO clock input autodetected to be %d MHz\n", + rom_vars.clktcxo_13mhz ? 13 : 26); + for (;;) { + putchar('='); + if (command_entry()) + command_dispatch(); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/loadagent/mygetchar.c Sat May 04 00:25:30 2013 +0000 @@ -0,0 +1,21 @@ +/* + * The interactive command entry (editing) function in libcommon + * will call mygetchar() for its character input. It is supposed + * to be a blocking wait for input, but in some programs other + * processing can be done while waiting - for example, check for + * keypad presses as well. This is the basic version which waits + * for serial input and nothing else. + */ + +extern int serial_in_poll(); + +int +mygetchar() +{ + register int c; + + do + c = serial_in_poll(); + while (c < 0); + return c; +}