boot_stage2: cleanup and correctness fixes
This commit is contained in:
graham sanderson
Graham Sanderson
parent
c6f87c7d62
commit
d974a3b0e9
@ -1,10 +1,13 @@
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# PICO_CMAKE_CONFIG: PICO_DEFAULT_BOOT_STAGE2_FILE, Default stage2 file to use unless overridden by pico_set_boot_stage2 on the TARGET; this setting is useful when explicitly setting the default build from a per board CMake file, group=build
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# PICO_CMAKE_CONFIG: PICO_DEFAULT_BOOT_STAGE2, Simpler alternative to specifying PICO_DEFAULT_BOOT_STAGE2_FILE where the file is src/boards/{PICO_DEFAULT_BOOT_STAGE2_FILE}.S, default=compile_time_choice, group=build
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# PICO_CMAKE_CONFIG: PICO_DEFAULT_BOOT_STAGE2_FILE, Default boot stage 2 file to use unless overridden by pico_set_boot_stage2 on the TARGET; this setting is useful when explicitly setting the default build from a per board CMake file, group=build
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# PICO_CMAKE_CONFIG: PICO_DEFAULT_BOOT_STAGE2, Simpler alternative to specifying PICO_DEFAULT_BOOT_STAGE2_FILE where the file is src/rp2_common/boot_stage2/{PICO_DEFAULT_BOOT_STAGE2}.S, default=compile_time_choice, group=build
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if (DEFINED ENV{PICO_DEFAULT_BOOT_STAGE2_FILE})
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set(PICO_DEFAULT_BOOT_STAGE2_FILE $ENV{PICO_DEFAULT_BOOT_STAGE2_FILE})
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message("Using PICO_DEFAULT_BOOT_STAGE2_FILE from environment ('${PICO_DEFAULT_BOOT_STAGE2_FILE}')")
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elif (PICO_DEFAULT_BOOT_STAGE2_FILE)
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# explicitly set, so cache it
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set(PICO_DEFAULT_BOOT_STAGE2_FILE "${PICO_DEFAULT_BOOT_STAGE2_FILE}" CACHE STRING "boot stage 2 source file" FORCE)
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endif()
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set(PICO_DEFAULT_BOOT_STAGE2_FILE "${PICO_DEFAULT_BOOT_STAGE2_FILE}" CACHE STRING "boot_stage2 source file" FORCE)
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set(PICO_BOOT_STAGE2_COMPILE_TIME_CHOICE_NAME compile_time_choice) # local var
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if (NOT PICO_DEFAULT_BOOT_STAGE2_FILE)
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@ -15,12 +18,12 @@ if (NOT PICO_DEFAULT_BOOT_STAGE2_FILE)
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if (NOT DEFINED PICO_DEFAULT_BOOT_STAGE2)
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set(PICO_DEFAULT_BOOT_STAGE2 ${PICO_BOOT_STAGE2_COMPILE_TIME_CHOICE_NAME})
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endif()
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set(PICO_DEFAULT_BOOT_STAGE2 "${PICO_DEFAULT_BOOT_STAGE2}" CACHE STRING "boot_stage2 short name" FORCE)
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set(PICO_DEFAULT_BOOT_STAGE2 "${PICO_DEFAULT_BOOT_STAGE2}" CACHE STRING "boot stage 2 short name" FORCE)
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set(PICO_DEFAULT_BOOT_STAGE2_FILE "${CMAKE_CURRENT_LIST_DIR}/${PICO_DEFAULT_BOOT_STAGE2}.S")
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endif()
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if (NOT EXISTS ${PICO_DEFAULT_BOOT_STAGE2_FILE})
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message(FATAL_ERROR "Specified boot_stage2 source '${PICO_DEFAULT_BOOT_STAGE2_FILE}' does not exist.")
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message(FATAL_ERROR "Specified boot stage 2 source '${PICO_DEFAULT_BOOT_STAGE2_FILE}' does not exist.")
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endif()
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# needed by function below
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@ -14,16 +14,6 @@
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// boot stage 2 is configured by cmake, so use the name specified there
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#error PICO_BUILD_BOOT_STAGE2_NAME should not be defined for compile_time_choice builds
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#else
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// boot stage2 is selected by board configu header, so we have to do some work
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#if PICO_BOOT_STAGE2_CHOOSE_IS25LP080
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#include "boot2_is25lp080.S"
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#elif PICO_BOOT_STAGE2_CHOOSE_W25Q080
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#include "boot2_w28q080.S"
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#elif PICO_BOOT_STAGE2_CHOOSE_W25X10CL
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#include "boot2_w25x10cl.S"
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#elif PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H
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#include "boot2_generic_03h.S"
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#else
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#error unknown boot stage2 choice
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#endif
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// boot stage 2 is selected by board config header, and PICO_BOOT_STAGE2_ASM is set in boot_stage2/config.h
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#include PICO_BOOT_STAGE2_ASM
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#endif
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@ -9,30 +9,74 @@
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// NOTE THIS HEADER IS INCLUDED FROM ASSEMBLY
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#include "pico/config.h"
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// PICO_CONFIG: PICO_BUILD_BOOT_STAGE2_NAME, The name of the boot stage 2 if selected by the build, group=boot_stage2
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// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_IS25LP080, Select boot2_is25lp080 as the boot stage 2 when no boot stage2 selection is made by the CMake build, type=bool, default=false, group=boot_stage2
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// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_W25Q080, Select boot2_w28q080 as the boot stage 2 when no boot stage2 selection is made by the CMake build, type=bool, default=false, group=boot_stage2
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// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_W25X10CL, Select boot2_is25lp080 as the boot stage 2 when no boot stage2 selection is made by the CMake build, type=bool, default=false, group=boot_stage2
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// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H, Select boot2_generic_03h as the boot stage 2 when no boot stage2 selection is made by the CMake build, type=bool, default=true, group=boot_stage2
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#ifdef PICO_BUILD_BOOT_STAGE2_NAME
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#define _BOOT_STAGE2_SELECTED
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#else
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// check that multiple boot stage 2 options haven't been set...
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// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_IS25LP080, Select boot2_is25lp080 as the boot stage 2 when no boot stage 2 selection is made by the CMake build, type=bool, default=0, group=boot_stage2
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#ifndef PICO_BOOT_STAGE2_CHOOSE_IS25LP080
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#define PICO_BOOT_STAGE2_CHOOSE_IS25LP080 0
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#elif PICO_BOOT_STAGE2_CHOOSE_IS25LP080
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#ifdef _BOOT_STAGE2_SELECTED
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#error multiple boot stage 2 options chosen
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#endif
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#define _BOOT_STAGE2_SELECTED
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#endif
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// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_W25Q080, Select boot2_w25q080 as the boot stage 2 when no boot stage 2 selection is made by the CMake build, type=bool, default=0, group=boot_stage2
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#ifndef PICO_BOOT_STAGE2_CHOOSE_W25Q080
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#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 0
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#elif PICO_BOOT_STAGE2_CHOOSE_W25Q080
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#ifdef _BOOT_STAGE2_SELECTED
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#error multiple boot stage 2 options chosen
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#endif
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#define _BOOT_STAGE2_SELECTED
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#endif
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// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_W25X10CL, Select boot2_w25x10cl as the boot stage 2 when no boot stage 2 selection is made by the CMake build, type=bool, default=0, group=boot_stage2
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#ifndef PICO_BOOT_STAGE2_CHOOSE_W25X10CL
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#define PICO_BOOT_STAGE2_CHOOSE_W25X10CL 0
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#elif PICO_BOOT_STAGE2_CHOOSE_W25X10CL
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#ifdef _BOOT_STAGE2_SELECTED
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#error multiple boot stage 2 options chosen
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#endif
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#define _BOOT_STAGE2_SELECTED
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#endif
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// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H, Select boot2_generic_03h as the boot stage 2 when no boot stage 2 selection is made by the CMake build, type=bool, default=1, group=boot_stage2
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#if defined(PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H) && PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H
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#ifdef _BOOT_STAGE2_SELECTED
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#error multiple boot stage 2 options chosen
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#endif
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#define _BOOT_STAGE2_SELECTED
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#endif
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#endif // PICO_BUILD_BOOT_STAGE2_NAME
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#ifdef PICO_BUILD_BOOT_STAGE2_NAME
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// boot stage 2 is configured by cmake, so use the name specified there
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#define PICO_BOOT_STAGE2_NAME PICO_BUILD_BOOT_STAGE2_NAME
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#else
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// boot stage2 is selected by board configu header, so we have to do some work
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// NOTE: this switch is mirrored in compile_time_choice.S
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// boot stage 2 is selected by board config header, so we have to do some work
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#if PICO_BOOT_STAGE2_CHOOSE_IS25LP080
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#define PICO_BOOT_STAGE2_NAME "boot2_is25lp080"
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#define _BOOT_STAGE2 boot2_is25lp080
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#elif PICO_BOOT_STAGE2_CHOOSE_W25Q080
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#define PICO_BOOT_STAGE2_NAME "boot2_w28q080"
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#define _BOOT_STAGE2 boot2_w25q080
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#elif PICO_BOOT_STAGE2_CHOOSE_W25X10CL
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#define PICO_BOOT_STAGE2_NAME "boot2_w25x10cl"
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#elif PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H || !defined(PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H)
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#define _BOOT_STAGE2 boot2_w25x10cl
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#elif !defined(PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H) || PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H
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#undef PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H
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#define PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H 1
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#define PICO_BOOT_STAGE2_NAME "boot2_generic_03h"
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#define _BOOT_STAGE2 boot2_generic_03h
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#else
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#error no boot stage 2 is defined by PICO_BOOT_STAGE2_CHOOSE_ macro
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#endif
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// we can't include cdefs in assembly, so define our own, but avoid conflict with real ones for c inclusion
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#define _PICO__STRING(x) #x
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#define _PICO__XSTRING(x) _PICO__STRING(x)
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#define _PICO__CONCAT1(x, y) x ## y
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#define PICO_BOOT_STAGE2_NAME _PICO__XSTRING(_BOOT_STAGE2)
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#define PICO_BOOT_STAGE2_ASM _PICO__XSTRING(_PICO__CONCAT1(_BOOT_STAGE2,.S))
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#endif
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#endif
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@ -6,7 +6,10 @@
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#if !PICO_NO_BINARY_INFO && !PICO_NO_PROGRAM_INFO
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#include "pico/binary_info.h"
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#if !PICO_NO_FLASH
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#include "boot_stage2/config.h"
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#endif
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// Note we put at most 4 pieces of binary info in the reset section because that's how much spare space we had
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// (picked the most common ones)... if there is a link failure because of .reset section overflow then move
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