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Merge pull request #4308 from jepler/rp2040-build-boot2 

raspberrypi: allow directly specifying the original boot .S file
This commit is contained in:
Scott Shawcroft 2021-03-02 08:54:30 -08:00 committed by GitHub
parent ffd0807680 f560b5f3a3
commit 722a7150ca
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 21 additions and 25 deletions
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21
ports/raspberrypi/Makefile
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@ -231,8 +231,9 @@ SRC_SHARED_MODULE_EXPANDED = $(addprefix shared-bindings/, $(SRC_SHARED_MODULE))
SRC_COMMON_HAL_SHARED_MODULE_EXPANDED = $(sort $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED))
SRC_S = supervisor/$(CHIP_FAMILY)_cpu.s
SRC_S_UPPER = bs2_default_padded_checksummed.S \
sdk/src/rp2_common/hardware_divider/divider.S \
BOOT2_S_UPPER ?= sdk/src/rp2_common/boot_stage2/boot2_generic_03h.S
BOOT2_S_CFLAGS ?= -DPICO_FLASH_SPI_CLKDIV=2
SRC_S_UPPER = sdk/src/rp2_common/hardware_divider/divider.S \
sdk/src/rp2_common/hardware_irq/irq_handler_chain.S \
sdk/src/rp2_common/pico_bit_ops/bit_ops_aeabi.S \
sdk/src/rp2_common/pico_double/double_aeabi.S \
@ -253,7 +254,23 @@ endif
OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_S_UPPER:.S=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o))
OBJ += $(BUILD)/boot2_padded_checksummed.o
$(BUILD)/boot2_padded_checksummed.o: $(BUILD)/boot2_padded_checksummed.S
$(STEPECHO) "CC $<"
$(Q)$(CC) $(CFLAGS) -c -o $@ $<
$(BUILD)/boot2_padded_checksummed.S: $(BUILD)/boot2.bin
$(STEPECHO) "PAD_CHECKSUM $<"
$(Q)$(PYTHON3) sdk/src/rp2_common/boot_stage2/pad_checksum -s 0xffffffff $< $@
$(BUILD)/boot2.bin: $(BUILD)/boot2.elf
$(STEPECHO) "OBJCOPY $<"
$(Q)$(OBJCOPY) -O binary $< $@
$(BUILD)/boot2.elf: $(BOOT2_S_UPPER) | $(BUILD)/
$(STEPECHO) "BOOT $<"
$(Q)$(CC) $(CFLAGS) $(BOOT2_S_CFLAGS) -Isdk/src/rp2_common/boot_stage2/asminclude --specs=nosys.specs -nostartfiles -Wl,-T,sdk/src/rp2_common/boot_stage2/boot_stage2.ld -o $@ $<
SRC_QSTR += $(SRC_C) $(SRC_SUPERVISOR) $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED)

2
ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.mk
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@ -9,3 +9,5 @@ CHIP_FAMILY = rp2
INTERNAL_FLASH_FILESYSTEM = 1
CIRCUITPY__EVE = 1
BOOT2_S_UPPER = sdk/src/rp2_common/boot_stage2/boot2_w25q080.S

23
ports/raspberrypi/bs2_default_padded_checksummed.S
View File

@ -1,23 +0,0 @@
// Padded and checksummed version of: /home/pi/pico/pico-examples/build/pico-sdk/src/rp2_common/boot_stage2/bs2_default.bin
.cpu cortex-m0plus
.thumb
.section .boot2, "ax"
.byte 0x00, 0xb5, 0x32, 0x4b, 0x21, 0x20, 0x58, 0x60, 0x98, 0x68, 0x02, 0x21, 0x88, 0x43, 0x98, 0x60
.byte 0xd8, 0x60, 0x18, 0x61, 0x58, 0x61, 0x2e, 0x4b, 0x00, 0x21, 0x99, 0x60, 0x02, 0x21, 0x59, 0x61
.byte 0x01, 0x21, 0xf0, 0x22, 0x99, 0x50, 0x2b, 0x49, 0x19, 0x60, 0x01, 0x21, 0x99, 0x60, 0x35, 0x20
.byte 0x00, 0xf0, 0x44, 0xf8, 0x02, 0x22, 0x90, 0x42, 0x14, 0xd0, 0x06, 0x21, 0x19, 0x66, 0x00, 0xf0
.byte 0x34, 0xf8, 0x19, 0x6e, 0x01, 0x21, 0x19, 0x66, 0x00, 0x20, 0x18, 0x66, 0x1a, 0x66, 0x00, 0xf0
.byte 0x2c, 0xf8, 0x19, 0x6e, 0x19, 0x6e, 0x19, 0x6e, 0x05, 0x20, 0x00, 0xf0, 0x2f, 0xf8, 0x01, 0x21
.byte 0x08, 0x42, 0xf9, 0xd1, 0x00, 0x21, 0x99, 0x60, 0x1b, 0x49, 0x19, 0x60, 0x00, 0x21, 0x59, 0x60
.byte 0x1a, 0x49, 0x1b, 0x48, 0x01, 0x60, 0x01, 0x21, 0x99, 0x60, 0xeb, 0x21, 0x19, 0x66, 0xa0, 0x21
.byte 0x19, 0x66, 0x00, 0xf0, 0x12, 0xf8, 0x00, 0x21, 0x99, 0x60, 0x16, 0x49, 0x14, 0x48, 0x01, 0x60
.byte 0x01, 0x21, 0x99, 0x60, 0x01, 0xbc, 0x00, 0x28, 0x00, 0xd0, 0x00, 0x47, 0x12, 0x48, 0x13, 0x49
.byte 0x08, 0x60, 0x03, 0xc8, 0x80, 0xf3, 0x08, 0x88, 0x08, 0x47, 0x03, 0xb5, 0x99, 0x6a, 0x04, 0x20
.byte 0x01, 0x42, 0xfb, 0xd0, 0x01, 0x20, 0x01, 0x42, 0xf8, 0xd1, 0x03, 0xbd, 0x02, 0xb5, 0x18, 0x66
.byte 0x18, 0x66, 0xff, 0xf7, 0xf2, 0xff, 0x18, 0x6e, 0x18, 0x6e, 0x02, 0xbd, 0x00, 0x00, 0x02, 0x40
.byte 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x07, 0x00, 0x00, 0x03, 0x5f, 0x00, 0x21, 0x22, 0x00, 0x00
.byte 0xf4, 0x00, 0x00, 0x18, 0x22, 0x20, 0x00, 0xa0, 0x00, 0x01, 0x00, 0x10, 0x08, 0xed, 0x00, 0xe0
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x74, 0xb2, 0x4e, 0x7a