firmware: drop firmware0 concept

Makefile

@@ -75,7 +75,6 @@ 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)
@@ -118,9 +117,6 @@ flash_bootloader: $(BOOTLOADER_BUILD_DIR)/bootloader.bin ## flash bootloader usi
 flash_firmware: $(FIRMWARE_BUILD_DIR)/firmware.bin ## flash firmware using OpenOCD
 	$(OPENOCD) -c "init; reset halt; flash write_image erase $< 0x08020000; exit"
 
-flash_firmware0: $(FIRMWARE_BUILD_DIR)/firmware0.bin ## flash firmware0 using OpenOCD
-	$(OPENOCD) -c "init; reset halt; flash write_image erase $< 0x08000000; exit"
-
 flash_combine: $(FIRMWARE_BUILD_DIR)/combined.bin ## flash combined using OpenOCD
 	$(OPENOCD) -c "init; reset halt; flash write_image erase $< 0x08000000; exit"
 
@@ -166,7 +162,6 @@ 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 \

SConscript.firmware

@@ -328,7 +328,6 @@ 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',
@@ -425,13 +424,6 @@ 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 $_CCCOMCOM -print-libgcc-file-name`',
-)
-
 program_bin = env.Command(
     target='firmware.bin',
     source=program_elf,
@@ -439,10 +431,3 @@ program_bin = env.Command(
         '$OBJCOPY -O binary -j .header -j .flash -j .data $SOURCE $TARGET',
         '$BINCTL $TARGET -s 1:2 4747474747474747474747474747474747474747474747474747474747474747:4848484848484848484848484848484848484848484848484848484848484848',
     ], )
-
-program0_bin = env.Command(
-    target='firmware0.bin',
-    source=program0_elf,
-    action=[
-        '$OBJCOPY -O binary -j .flash -j .data $SOURCE $TARGET',
-    ], )

embed/firmware/memory0.ld

@@ -1,68 +0,0 @@
-/* TREZORv2 firmware0 linker script */
-
-ENTRY(reset_handler)
-
-MEMORY {
-  FLASH  (rx)  : ORIGIN = 0x08000000, LENGTH = 1024K
-  CCMRAM (wal) : ORIGIN = 0x10000000, LENGTH = 64K
-  SRAM   (wal) : ORIGIN = 0x20000000, LENGTH = 128K
-}
-
-main_stack_base = ORIGIN(SRAM) + LENGTH(SRAM); /* 8-byte aligned full descending stack */
-_estack = main_stack_base;
-
-/* used by the startup code to populate variables used by the C code */
-data_lma = LOADADDR(.data);
-data_vma = ADDR(.data);
-data_size = SIZEOF(.data);
-
-/* used by the startup code to wipe memory */
-ccmram_start = ORIGIN(CCMRAM);
-ccmram_end = ORIGIN(CCMRAM) + LENGTH(CCMRAM);
-
-/* used by the startup code to wipe memory */
-sram_start = ORIGIN(SRAM);
-sram_end = ORIGIN(SRAM) + LENGTH(SRAM);
-_ram_start = sram_start;
-_ram_end = sram_end;
-
-_codelen = SIZEOF(.flash) + SIZEOF(.data);
-_flash_start = ORIGIN(FLASH);
-_flash_end = ORIGIN(FLASH) + LENGTH(FLASH);
-_heap_start = ADDR(.heap);
-_heap_end = ADDR(.heap) + SIZEOF(.heap);
-
-SECTIONS {
-  .header : ALIGN(4) {
-    KEEP(*(.vendorheader))
-    KEEP(*(.header));
-  } >FLASH AT>FLASH
-
-  .flash : ALIGN(512) {
-    KEEP(*(.vector_table));
-    . = ALIGN(4);
-    *(.text*);
-    . = ALIGN(4);
-    *(.rodata*);
-    . = ALIGN(512);
-  } >FLASH AT>FLASH
-
-  .data : ALIGN(4) {
-    *(.data*);
-    . = ALIGN(512);
-  } >SRAM AT>FLASH
-
-  .bss : ALIGN(4) {
-    *(.bss*);
-    . = ALIGN(4);
-  } >SRAM
-
-  .heap : ALIGN(4) {
-    . = 37K; /* this acts as a build time assertion that at least this much memory is available for heap use */
-    . = ABSOLUTE(sram_end - 16K); /* this explicitly sets the end of the heap effectively giving the stack at most 16K */
-  } >SRAM
-
-  .stack : ALIGN(8) {
-    . = 4K; /* this acts as a build time assertion that at least this much memory is available for stack use */
-  } >SRAM
-}