diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/app/transactiontest/Makefile.inc | 5 | ||||
| -rw-r--r-- | src/app/transactiontest/main.cc | 64 | ||||
| -rw-r--r-- | src/app/transactiontest/util.S | 46 | ||||
| -rw-r--r-- | src/arch/msp430fr5969lp/Makefile.inc | 5 | ||||
| -rw-r--r-- | src/arch/msp430fr5994lp/Makefile.inc | 5 |
5 files changed, 123 insertions, 2 deletions
diff --git a/src/app/transactiontest/Makefile.inc b/src/app/transactiontest/Makefile.inc new file mode 100644 index 0000000..586a484 --- /dev/null +++ b/src/app/transactiontest/Makefile.inc @@ -0,0 +1,5 @@ +timer_cycles ?= 1 +timer_s ?= 1 +loop ?= 1 + +ASM_TARGETS += src/app/transactiontest/util.S
\ No newline at end of file diff --git a/src/app/transactiontest/main.cc b/src/app/transactiontest/main.cc new file mode 100644 index 0000000..e359e67 --- /dev/null +++ b/src/app/transactiontest/main.cc @@ -0,0 +1,64 @@ +#include "arch.h" +#include "driver/gpio.h" +#include "driver/stdout.h" +#include "driver/uptime.h" + +#ifndef TIMER_CYCLES +#error makeflag timer_cycles=1 required +#endif + +extern "C" { + void asm_save_toc(); + void asm_load_toc(); +} + +volatile bool __attribute__((section(".text"))) have_state = false; +uint16_t i = 0; + +void restore_state() +{ + if (!have_state) { + return; + } + asm_load_toc(); +} + +void save_state() +{ + asm_save_toc(); + have_state = true; +} + +void loop(void) +{ + gpio.led_toggle(1); + kout << dec << i << endl; + i++; + if (i == 5) { + save_state(); + } + if (i == 10) { + restore_state(); + } +} + +int main(void) +{ + arch.setup(); + gpio.setup(); + kout.setup(); + + restore_state(); + + gpio.led_on(0); + kout << "Hello, World!" << endl; + kout << "Test, World!" << endl; + kout << dec << uptime.get_cycles() << endl; + kout << dec << uptime.get_cycles() << endl; + kout << dec << uptime.get_cycles() << endl; + kout << dec << uptime.get_cycles() << endl; + + arch.idle_loop(); + + return 0; +} diff --git a/src/app/transactiontest/util.S b/src/app/transactiontest/util.S new file mode 100644 index 0000000..bf2530d --- /dev/null +++ b/src/app/transactiontest/util.S @@ -0,0 +1,46 @@ +.global asm_save_toc +.global asm_load_toc + +stack_backup: + .space 2048 + +sp_backup: + .space 2 + +asm_save_toc: + .irp reg,4,5,6,7,8,9,10,11 + push r\reg + .endr + + mov r1, &sp_backup + + mov #1c00h, r10 + mov #stack_backup, r11 + +save_sram_word: + mov @r10+, 0(r11) + add #2, r11 + cmp #1c00h+2048, r10 + jlo save_sram_word + + pop r11 + pop r10 + add #12, r1 + ret + +asm_load_toc: + mov #stack_backup, r10 + mov #1c00h, r11 + +load_sram_word: + mov @r10+, 0(r11) + add #2, r11 + cmp #1c00h+2048, r11 + jlo load_sram_word + + mov &sp_backup, r1 + .irp reg,11,10,9,8,7,6,5,4 + pop r\reg + .endr + + ret
\ No newline at end of file diff --git a/src/arch/msp430fr5969lp/Makefile.inc b/src/arch/msp430fr5969lp/Makefile.inc index 557fa90..7e318ea 100644 --- a/src/arch/msp430fr5969lp/Makefile.inc +++ b/src/arch/msp430fr5969lp/Makefile.inc @@ -67,7 +67,7 @@ else endif -OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o} +OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o} ${ASM_TARGETS:.S=.o} .cc.o: ${QUIET}${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc} @@ -75,6 +75,9 @@ OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o} .c.o: ${QUIET}${CC} ${INCLUDES} ${COMMON_FLAGS} ${CFLAGS} -c -o $@ ${@:.o=.c} +.S.o: + ${QUIET}${CC} ${INCLUDES} ${COMMON_FLAGS} -Wa,-gstabs,-ggdb -x assembler-with-cpp -c -o $@ ${@:.o=.S} + build/system.elf: ${OBJECTS} ${QUIET}${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} \ -Wl,--library-path=/opt/msp430/ti/gcc/include/ \ diff --git a/src/arch/msp430fr5994lp/Makefile.inc b/src/arch/msp430fr5994lp/Makefile.inc index 0c82dfc..6498597 100644 --- a/src/arch/msp430fr5994lp/Makefile.inc +++ b/src/arch/msp430fr5994lp/Makefile.inc @@ -71,7 +71,7 @@ else endif -OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o} +OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o} ${ASM_TARGETS:.S=.o} .cc.o: ${QUIET}${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc} @@ -79,6 +79,9 @@ OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o} .c.o: ${QUIET}${CC} ${INCLUDES} ${COMMON_FLAGS} ${CFLAGS} -c -o $@ ${@:.o=.c} +.S.o: + ${QUIET}${CC} ${INCLUDES} ${COMMON_FLAGS} -Wa,-gstabs,-ggdb -x assembler-with-cpp -c -o $@ ${@:.o=.S} + build/system.elf: ${OBJECTS} ${QUIET}${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} \ -Wl,--library-path=/opt/msp430/ti/msp430-gcc-full-linux-5.0.0.36/include/ \ |