kopia lustrzana https://github.com/micropython/micropython
Merge pull request #803 from dhylands/ld-opt
Put some code into the first 16K of flashpull/807/head
commit
339bdccc58
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@ -200,6 +200,13 @@ OBJ += $(addprefix $(BUILD)/, $(SRC_FATFS:.c=.o))
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OBJ += $(addprefix $(BUILD)/, $(SRC_CC3K:.c=.o))
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OBJ += $(BUILD)/pins_$(BOARD).o
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# We put ff.o and stm32f4xx_hal_sd.o into the first 16K section with the ISRs.
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# If we compile these using -O0 then it won't fit. So if you really want these
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# to be compiled with -O0, then edit stm32f405.ld (in the .isr_vector section)
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# and comment out the following 2 lines.
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$(BUILD)/$(FATFS_DIR)/src/ff.o: COPT += -Os
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$(BUILD)/$(HAL_DIR)/src/stm32f4xx_hal_sd.o: COPT += -Os
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all: $(BUILD)/firmware.dfu $(BUILD)/firmware.hex
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.PHONY: deploy
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@ -34,6 +34,14 @@ SECTIONS
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. = ALIGN(4);
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KEEP(*(.isr_vector)) /* Startup code */
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/* This first flash block is 16K annd the isr vectors only take up
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about 400 bytes. So we pull in a couple of object files to pad it
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out. */
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. = ALIGN(4);
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*/ff.o(.text*)
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*/stm32f4xx_hal_sd.o(.text*)
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. = ALIGN(4);
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} >FLASH_ISR
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@ -41,9 +49,7 @@ SECTIONS
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.text :
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{
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. = ALIGN(4);
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*(.text) /* .text sections (code) */
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*(.text*) /* .text* sections (code) */
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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/* *(.glue_7) */ /* glue arm to thumb code */
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/* *(.glue_7t) */ /* glue thumb to arm code */
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@ -78,7 +84,6 @@ SECTIONS
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. = ALIGN(4);
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_sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
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_ram_start = .; /* create a global symbol at ram start for garbage collector */
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*(.data) /* .data sections */
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*(.data*) /* .data* sections */
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. = ALIGN(4);
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@ -90,7 +95,6 @@ SECTIONS
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{
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. = ALIGN(4);
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_sbss = .; /* define a global symbol at bss start; used by startup code */
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*(.bss)
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*(.bss*)
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*(COMMON)
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