FreeCalypso > hg > freecalypso-tools
changeset 454:daaab2701761
target-utils: simtest program started
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sat, 09 Feb 2019 07:55:50 +0000 |
| parents | 6228d27738d1 |
| children | bd465e30fc05 |
| files | target-utils/simtest/Makefile target-utils/simtest/cmdtab.c target-utils/simtest/main.c target-utils/simtest/poll.c target-utils/simtest/simregs.h |
| diffstat | 5 files changed, 140 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/simtest/Makefile Sat Feb 09 07:55:50 2019 +0000 @@ -0,0 +1,29 @@ +CC= arm-elf-gcc +CFLAGS= -Os -fno-builtin +CPPFLAGS=-I../include +LD= arm-elf-ld +OBJCOPY=arm-elf-objcopy + +PROG= simtest +OBJS= crt0.o cmdtab.o main.o poll.o +LIBS= ../libcommon/libcommon.a ../libprintf/libprintf.a ../libbase/libbase.a \ + ../libc/libc.a +LIBGCC= `${CC} -print-file-name=libgcc.a` +LDS= ../env/iram.lds + +all: ${PROG}.srec + +crt0.S: ../env/crt0.S + ln -s $< . + +${PROG}.elf: ${OBJS} ${LIBS} ${LDS} + ${LD} -N --defsym Base_addr=0x800750 --defsym stack_bottom=0x83FFFC \ + -T ${LDS} -o $@ ${OBJS} ${LIBS} ${LIBGCC} + +${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/simtest/cmdtab.c Sat Feb 09 07:55:50 2019 +0000 @@ -0,0 +1,34 @@ +#include "cmdtab.h" + +extern void cmd_abbr(); +extern void cmd_abbw(); +extern void cmd_jump(); +extern void cmd_poll(); +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 abb_init(); +extern void abb_power_off(); + +const struct cmdtab cmdtab[] = { + {"abbinit", abb_init}, + {"abbr", cmd_abbr}, + {"abbw", cmd_abbw}, + {"dump", cmd_memdump_human}, + {"jump", cmd_jump}, + {"poll", cmd_poll}, + {"poweroff", abb_power_off}, + {"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/simtest/main.c Sat Feb 09 07:55:50 2019 +0000 @@ -0,0 +1,11 @@ +main() +{ + uart_select_init(); + printf("SIM interface debug program running\n"); + print_boot_rom_info(); + for (;;) { + putchar('='); + if (command_entry()) + command_dispatch(); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/simtest/poll.c Sat Feb 09 07:55:50 2019 +0000 @@ -0,0 +1,49 @@ +#include <sys/types.h> +#include <strings.h> +#include "types.h" +#include "simregs.h" + +extern int serial_in_poll(); + +int enable_poll; + +void +poll_sim_rx() +{ + u32 drx; + + if (SIMREGS.stat & 3) + return; + drx = SIMREGS.drx & 0xFF; + printf("%02X ", drx); +} + +int +mygetchar() +{ + register int c; + + do { + if (enable_poll) + poll_sim_rx(); + c = serial_in_poll(); + } + while (c < 0); + return c; +} + +void +cmd_poll(argbulk) + char *argbulk; +{ + char *argv[2]; + + if (parse_args(argbulk, 1, 1, argv, 0) < 0) + return; + if (!strcmp(argv[0], "on")) + enable_poll = 1; + else if (!strcmp(argv[0], "off")) + enable_poll = 0; + else + printf("ERROR: \"on\" or \"off\" argument expected\n"); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/simtest/simregs.h Sat Feb 09 07:55:50 2019 +0000 @@ -0,0 +1,17 @@ +/* Calypso SIM registers definition */ + +#define SIM_BASE_ADDR 0xFFFE0000 + +struct sim_registers { + u16 cmd; + u16 stat; + u16 conf1; + u16 conf2; + u16 it; + u16 drx; + u16 dtx; + u16 maskit; + u16 it_cd; +}; + +#define SIMREGS (*(volatile struct sim_registers *) SIM_BASE_ADDR)