FreeCalypso > hg > freecalypso-tools
changeset 986:676203b4bf33
pln-ppb-test: implement mode-entry
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sat, 02 Dec 2023 23:50:07 +0000 |
| parents | d50df222c274 |
| children | 6b87de9e385b |
| files | target-utils/pln-ppb-test/Makefile target-utils/pln-ppb-test/cmdtab.c target-utils/pln-ppb-test/mode_entry.c |
| diffstat | 3 files changed, 35 insertions(+), 1 deletions(-) [+] |
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--- a/target-utils/pln-ppb-test/Makefile Sat Dec 02 23:39:33 2023 +0000 +++ b/target-utils/pln-ppb-test/Makefile Sat Dec 02 23:50:07 2023 +0000 @@ -5,7 +5,7 @@ OBJCOPY=arm-elf-objcopy PROG= pln-ppb-test -OBJS= crt0.o cmdtab.o main.o +OBJS= crt0.o cmdtab.o main.o mode_entry.o LIBS= ../libcommon/libcommon.a ../libprintf/libprintf.a \ ../libbase/libbase.a ../libc/libc.a LIBGCC= `${CC} -print-file-name=libgcc.a`
--- a/target-utils/pln-ppb-test/cmdtab.c Sat Dec 02 23:39:33 2023 +0000 +++ b/target-utils/pln-ppb-test/cmdtab.c Sat Dec 02 23:50:07 2023 +0000 @@ -3,6 +3,7 @@ extern void cmd_abbr(); extern void cmd_abbw(); extern void cmd_jump(); +extern void cmd_mode_entry(); extern void cmd_r8(); extern void cmd_r16(); extern void cmd_r32(); @@ -25,6 +26,7 @@ {"baud", cmd_baud_switch}, {"dump", cmd_memdump_human}, {"jump", cmd_jump}, + {"mode-entry", cmd_mode_entry}, {"poweroff", abb_power_off}, {"r8", cmd_r8}, {"r16", cmd_r16},
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/pln-ppb-test/mode_entry.c Sat Dec 02 23:50:07 2023 +0000 @@ -0,0 +1,32 @@ +/* + * mode-entry and mode-exit commands + */ + +#include <sys/types.h> +#include "types.h" + +void +cmd_mode_entry(argbulk) + char *argbulk; +{ + char *argv[3]; + u_long addr, mode; + + if (parse_args(argbulk, 2, 2, argv, 0) < 0) + return; + if (parse_hexarg(argv[0], 8, &addr) < 0) { + printf("ERROR: arg1 must be a valid 32-bit hex address\n"); + return; + } + if (addr & 0xFFFF) { + printf("ERROR: address is not on 64 KiB boundary\n"); + return; + } + if (parse_hexarg(argv[1], 4, &mode) < 0) { + printf("ERROR: arg2 must be a valid 16-bit hex value\n"); + return; + } + *(volatile u16 *)(addr + 0xAAA) = 0xAA; + *(volatile u16 *)(addr + 0x554) = 0x55; + *(volatile u16 *)(addr + 0xAAA) = mode; +}