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build: add firmware0 target (firmware with no headers)

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Pavol Rusnak 2017-09-25 15:49:42 +02:00
parent 3379c94598
commit 9019ec7e2b
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GPG Key ID: 91F3B339B9A02A3D
3 changed files with 113 additions and 0 deletions
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5
Makefile
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@ -72,6 +72,7 @@ build_bootloader: ## build bootloader
build_firmware: res build_cross ## build firmware with frozen modules
$(SCONS) CFLAGS="$(CFLAGS)" build/firmware/firmware.bin
$(SCONS) CFLAGS="$(CFLAGS)" build/firmware/firmware0.bin
build_unix: ## build unix port
$(SCONS) build/unix/micropython $(UNIX_PORT_OPTS)
@ -114,6 +115,9 @@ flash_bootloader: ## flash bootloader using st-flash
flash_firmware: ## flash firmware using st-flash
st-flash write $(FIRMWARE_BUILD_DIR)/firmware.bin 0x08020000
flash_firmware0: ## flash firmware0 using st-flash
st-flash write $(FIRMWARE_BUILD_DIR)/firmware0.bin 0x08000000
flash_combine: ## flash combined image using st-flash
st-flash write $(FIRMWARE_BUILD_DIR)/combined.bin 0x08000000
@ -144,6 +148,7 @@ sizecheck: ## check sizes of binary files
test 32768 -ge $(shell stat -c%s $(BOARDLOADER_BUILD_DIR)/boardloader.bin)
test 65536 -ge $(shell stat -c%s $(BOOTLOADER_BUILD_DIR)/bootloader.bin)
test 917504 -ge $(shell stat -c%s $(FIRMWARE_BUILD_DIR)/firmware.bin)
test 1048576 -ge $(shell stat -c%s $(FIRMWARE_BUILD_DIR)/firmware0.bin)
combine: ## combine boardloader + bootloader + firmware into one combined image
./tools/combine_firmware \

15
SConscript.firmware
View File

@ -326,6 +326,7 @@ env.Replace(
CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
CCFLAGS_OPT='-O3',
LINKFLAGS='-nostdlib -T embed/firmware/memory.ld --gc-sections',
LINKFLAGS0='-nostdlib -T embed/firmware/memory0.ld --gc-sections',
CPPPATH=[
'.',
'embed/firmware',
@ -421,6 +422,13 @@ program_elf = env.Command(
'$LINK -o $TARGET $LINKFLAGS $SOURCES `$CC $CFLAGS $CCFLAGS $_CCCOMCOM -print-libgcc-file-name`',
)
program0_elf = env.Command(
target='firmware0.elf',
source=obj_program,
action=
'$LINK -o $TARGET $LINKFLAGS0 $SOURCES `$CC $CFLAGS $CCFLAGS $_CCCOMCOM -print-libgcc-file-name`',
)
program_bin = env.Command(
target='firmware.bin',
source=program_elf,
@ -428,3 +436,10 @@ program_bin = env.Command(
'$OBJCOPY -O binary -j .header -j .flash -j .data $SOURCE $TARGET',
'$BINCTL $TARGET -s 1 4141414141414141414141414141414141414141414141414141414141414141',
], )
program0_bin = env.Command(
target='firmware0.bin',
source=program0_elf,
action=[
'$OBJCOPY -O binary -j .flash -j .data $SOURCE $TARGET',
], )

93
embed/firmware/memory0.ld Normal file
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@ -0,0 +1,93 @@
/*
TREZORv2 linker script
based on common.ld and stm32f405.ld
*/
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
}
/* produce a link error if there is not this amount of RAM for these sections */
_minimum_stack_size = 2K;
_minimum_heap_size = 16K;
/* Define tho top end of the stack. The stack is full descending so begins just
above last byte of RAM. Note that EABI requires the stack to be 8-byte
aligned for a call. */
_estack = ORIGIN(RAM) + LENGTH(RAM);
ENTRY(Reset_Handler)
/* define output sections */
SECTIONS
{
/* The startup code goes first into FLASH */
.flash :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
*(.text*) /* .text* sections (code) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
. = ALIGN(512);
_etext = .; /* define a global symbol at end of code */
} >FLASH
/* used by the startup to initialize data */
_sidata = LOADADDR(.data);
/* This is the initialized data section
The program executes knowing that the data is in the RAM
but the loader puts the initial values in the FLASH (inidata).
It is one task of the startup to copy the initial values from FLASH to RAM. */
.data :
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
*(.data*) /* .data* sections */
. = ALIGN(512);
_edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */
} >RAM AT> FLASH
/* Uninitialized data section */
.bss :
{
. = ALIGN(4);
_sbss = .; /* define a global symbol at bss start; used by startup code */
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .; /* define a global symbol at bss end; used by startup code and GC */
} >RAM
/* this is to define the start of the heap, and make sure we have a minimum size */
.heap :
{
. = ALIGN(4);
. = . + _minimum_heap_size;
. = ALIGN(4);
} >RAM
/* this just checks there is enough RAM for the stack */
.stack :
{
. = ALIGN(4);
. = . + _minimum_stack_size;
. = ALIGN(4);
} >RAM
.ARM.attributes 0 : { *(.ARM.attributes) }
}
/* RAM extents for the garbage collector */
_codelen = SIZEOF(.flash) + SIZEOF(.data);
_ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = _ebss; /* heap starts just after statically allocated memory */
_heap_end = 0x2001c000; /* tunable */