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Support gathering register values on nrf.

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Scott Shawcroft 2018-07-03 06:31:07 -07:00
parent f3f8e13b88
commit dbc977485c
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GPG Key ID: 0DFD512649C052DA
2 changed files with 28 additions and 1 deletions
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2
ports/nrf/Makefile Normal file → Executable file
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@ -213,7 +213,7 @@ FROZEN_MPY_PY_FILES := $(shell find -L $(FROZEN_MPY_DIR) -type f -name '*.py')
FROZEN_MPY_MPY_FILES := $(addprefix $(BUILD)/,$(FROZEN_MPY_PY_FILES:.py=.mpy))
OBJ += $(PY_O) $(SUPERVISOR_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
OBJ += $(BUILD)/pins_gen.o
OBJ += $(BUILD)/pins_gen.o supervisor/cpu.o
OBJ += $(addprefix $(BUILD)/, $(SRC_HAL:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_NRFX:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(DRIVERS_SRC_C:.c=.o))

27
ports/nrf/supervisor/cpu.s Executable file
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@ -0,0 +1,27 @@
.syntax unified
.cpu cortex-m4
.thumb
.text
.align 2
@ uint cpu_get_regs_and_sp(r0=uint regs[10])
.global cpu_get_regs_and_sp
.thumb
.thumb_func
.type cpu_get_regs_and_sp, %function
cpu_get_regs_and_sp:
@ store registers into given array
str r4, [r0], #4
str r5, [r0], #4
str r6, [r0], #4
str r7, [r0], #4
str r8, [r0], #4
str r9, [r0], #4
str r10, [r0], #4
str r11, [r0], #4
str r12, [r0], #4
str r13, [r0], #4
@ return the sp
mov r0, sp
bx lr