Back merge 1.1.1

cmake/pico_pre_load_toolchain.cmake

@@ -1,6 +1,5 @@
 # PICO_CMAKE_CONFIG: PICO_TOOLCHAIN_PATH, Path to search for compiler, default=none (i.e. search system paths), group=build
-# Set your compiler path here if it's not in the PATH environment variable.
-set(PICO_TOOLCHAIN_PATH "" CACHE INTERNAL "")
+set(PICO_TOOLCHAIN_PATH "${PICO_TOOLCHAIN_PATH}" CACHE INTERNAL "")
 
 # Set a default build type if none was specified
 set(default_build_type "Release")

cmake/preload/toolchains/pico_arm_gcc.cmake

@@ -52,8 +52,9 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 option(PICO_DEOPTIMIZED_DEBUG "Build debug builds with -O0" 0)
 
 # todo move to platform/Generix-xxx
-set(ARM_GCC_COMMON_FLAGS " -march=armv6-m -mcpu=cortex-m0plus -mthumb")
-#set(ARM_GCC_COMMON_FLAGS " -mcpu=cortex-m0plus -mthumb")
+
+# on ARM -mcpu should not be mixed with -march
+set(ARM_GCC_COMMON_FLAGS " -mcpu=cortex-m0plus -mthumb")
 foreach(LANG IN ITEMS C CXX ASM)
     set(CMAKE_${LANG}_FLAGS_INIT "${ARM_GCC_COMMON_FLAGS}")
     if (PICO_DEOPTIMIZED_DEBUG)

pico_sdk_version.cmake

@@ -1,12 +1,20 @@
-# PICO_BUILD_DEFINE: PICO_SDK_VERSION_MAJOR, SDK major version number, type=int, pico_base
-# PICO_CONFIG: PICO_SDK_VERSION_MAJOR, SDK major version number, type=int, pico_base
+# PICO_BUILD_DEFINE: PICO_SDK_VERSION_MAJOR, SDK major version number, type=int, group=pico_base
+# PICO_CONFIG: PICO_SDK_VERSION_MAJOR, SDK major version number, type=int, group=pico_base
 set(PICO_SDK_VERSION_MAJOR 1)
-# PICO_BUILD_DEFINE: PICO_SDK_VERSION_MINOR, SDK minor version number, type=int, pico_base
-# PICO_CONFIG: PICO_SDK_VERSION_MINOR, SDK minor version number, type=int, pico_base
-set(PICO_SDK_VERSION_MINOR 1)
-# PICO_BUILD_DEFINE: PICO_SDK_VERSION_REVISION, SDK version revision, type=int, pico_base
-# PICO_CONFIG: PICO_SDK_VERSION_REVISION, SDK version revision, type=int, pico_base
+# PICO_BUILD_DEFINE: PICO_SDK_VERSION_MINOR, SDK minor version number, type=int, group=pico_base
+# PICO_CONFIG: PICO_SDK_VERSION_MINOR, SDK minor version number, type=int, group=pico_base
+set(PICO_SDK_VERSION_MINOR 2)
+# PICO_BUILD_DEFINE: PICO_SDK_VERSION_REVISION, SDK version revision, type=int, group=pico_base
+# PICO_CONFIG: PICO_SDK_VERSION_REVISION, SDK version revision, type=int, group=pico_base
 set(PICO_SDK_VERSION_REVISION 0)
+# PICO_BUILD_DEFINE: PICO_SDK_VERSION_PRE_RELEASE_ID, optional SDK pre-release version identifier, type=string, group=pico_base
+# PICO_CONFIG: PICO_SDK_VERSION_PRE_RELEASE_ID, optional SDK pre-release version identifier, type=string, group=pico_base
+set(PICO_SDK_VERSION_PRE_RELEASE_ID develop)
+
 # PICO_BUILD_DEFINE: PICO_SDK_VERSION_STRING, SDK version, type=string, group=pico_base
 # PICO_CONFIG: PICO_SDK_VERSION_STRING, SDK version, type=string, group=pico_base
 set(PICO_SDK_VERSION_STRING "${PICO_SDK_VERSION_MAJOR}.${PICO_SDK_VERSION_MINOR}.${PICO_SDK_VERSION_REVISION}")
+
+if (PICO_SDK_VERSION_PRE_RELEASE_ID)
+    set(PICO_SDK_VERSION_STRING "${PICO_SDK_VERSION_STRING}-${PICO_SDK_VERSION_PRE_RELEASE_ID}")
+endif()

src/boards/include/boards/adafruit_feather_rp2040.h

@@ -68,12 +68,16 @@
 #endif
 
 //------------- FLASH -------------//
+
+// Use slower generic flash access
+#define PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
-#define PICO_FLASH_SPI_CLKDIV 2
+#define PICO_FLASH_SPI_CLKDIV 4
 #endif
 
 #ifndef PICO_FLASH_SIZE_BYTES
-#define PICO_FLASH_SIZE_BYTES (4 * 1024 * 1024)
+#define PICO_FLASH_SIZE_BYTES (8 * 1024 * 1024)
 #endif
 
 // All boards have B1 RP2040

src/boards/include/boards/adafruit_itsybitsy_rp2040.h

@@ -72,6 +72,9 @@
 #endif
 
 //------------- FLASH -------------//
+
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
 #define PICO_FLASH_SPI_CLKDIV 2
 #endif

src/boards/include/boards/adafruit_qtpy_rp2040.h

@@ -71,6 +71,9 @@
 #endif
 
 //------------- FLASH -------------//
+
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
 #define PICO_FLASH_SPI_CLKDIV 2
 #endif

src/boards/include/boards/pico.h

@@ -61,6 +61,8 @@
 
 // --- FLASH ---
 
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
 #define PICO_FLASH_SPI_CLKDIV 2
 #endif

src/boards/include/boards/pimoroni_keybow2040.h

@@ -107,10 +107,12 @@
 #define KEYBOW2040_SW15_PIN 6
 #endif
 
-#ifndef KEYBOW2040_NUM_SWITCHES
+#ifndef KEYBOW2040_NUM_SWITCHES_PINS
 #define KEYBOW2040_NUM_SWITCHES_PINS 16
 #endif
 
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
 #define PICO_FLASH_SPI_CLKDIV 2
 #endif

src/boards/include/boards/pimoroni_picosystem.h

@@ -124,6 +124,8 @@
 #define PICO_DEFAULT_LED_PIN_INVERTED 1
 #endif
 
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
 #define PICO_FLASH_SPI_CLKDIV 2
 #endif

src/boards/include/boards/pimoroni_tiny2040.h

@@ -76,6 +76,8 @@
 #define PICO_DEFAULT_LED_PIN_INVERTED 1
 #endif
 
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
 #define PICO_FLASH_SPI_CLKDIV 2
 #endif

src/boards/include/boards/sparkfun_micromod.h

@@ -19,7 +19,7 @@
 
 #ifndef PICO_DEFAULT_UART
 #define PICO_DEFAULT_UART 0
-#define
+#endif
 
 #ifndef PICO_DEFAULT_UART_TX_PIN
 #define PICO_DEFAULT_UART_TX_PIN 0
@@ -47,6 +47,8 @@
 #endif
 
 // spi flash
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
 #define PICO_FLASH_SPI_CLKDIV 2
 #endif

src/boards/include/boards/sparkfun_promicro.h

@@ -46,6 +46,8 @@
 #define PICO_DEFAULT_I2C_SCL_PIN   17
 #endif
 
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
 #define PICO_FLASH_SPI_CLKDIV 2
 #endif

src/boards/include/boards/sparkfun_thingplus.h

@@ -43,6 +43,9 @@
 #endif
 
 // spi flash
+
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
 #ifndef PICO_FLASH_SPI_CLKDIV
 #define PICO_FLASH_SPI_CLKDIV 2
 #endif

src/boards/include/boards/vgaboard.h

@@ -26,8 +26,8 @@
 #define VGABOARD_VGA_COLOR_PIN_BASE 0
 #define VGABOARD_VGA_SYNC_PIN_BASE 16
 
-// Note DAT2/3 are shared with UART TX/RX (pull jumpers off header to access
-// UART pins and disconnect SD DAT2/3)
+// Note DAT1/2 are shared with UART TX/RX (pull jumpers off header to access
+// UART pins and disconnect SD DAT1/2)
 #define VGABOARD_SD_CLK_PIN 5
 #define VGABOARD_SD_CMD_PIN 18
 #define VGABOARD_SD_DAT0_PIN 19
@@ -57,10 +57,12 @@
 #define PICO_SD_CMD_PIN VGABOARD_SD_CMD_PIN
 #define PICO_SD_DAT0_PIN VGABOARD_SD_DAT0_PIN
 
+// 1 or 4
 #ifndef PICO_SD_DAT_PIN_COUNT
 #define PICO_SD_DAT_PIN_COUNT 4
 #endif
 
+// 1 or -1
 #define PICO_SD_DAT_PIN_INCREMENT 1
 
 #define PICO_AUDIO_I2S_DATA_PIN VGABOARD_I2S_DIN_PIN

src/common/pico_base/include/pico/types.h

@@ -25,7 +25,7 @@ typedef unsigned int uint;
     \see update_us_since_boot()
     \ingroup timestamp
 */
-#ifndef NDEBUG
+#ifdef NDEBUG
 typedef uint64_t absolute_time_t;
 #else
 typedef struct {
@@ -40,7 +40,7 @@ typedef struct {
  * \ingroup timestamp
  */
 static inline uint64_t to_us_since_boot(absolute_time_t t) {
-#ifndef NDEBUG
+#ifdef NDEBUG
     return t;
 #else
     return t._private_us_since_boot;
@@ -55,15 +55,15 @@ static inline uint64_t to_us_since_boot(absolute_time_t t) {
  * \ingroup timestamp
  */
 static inline void update_us_since_boot(absolute_time_t *t, uint64_t us_since_boot) {
-#ifndef NDEBUG
+#ifdef NDEBUG
     *t = us_since_boot;
 #else
     assert(us_since_boot <= INT64_MAX);
     t->_private_us_since_boot = us_since_boot;
 #endif
 }
 
-#ifndef NDEBUG
+#ifdef NDEBUG
 #define ABSOLUTE_TIME_INITIALIZED_VAR(name, value) name = value
 #else
 #define ABSOLUTE_TIME_INITIALIZED_VAR(name, value) name = {value}

src/common/pico_util/include/pico/util/queue.h

@@ -18,6 +18,10 @@
  * \ingroup pico_util
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct {
     spin_lock_t *lock;
     uint8_t *data;
@@ -69,7 +73,7 @@ void queue_free(queue_t *q);
 static inline uint queue_get_level_unsafe(queue_t *q) {
     int32_t rc = (int32_t)q->wptr - (int32_t)q->rptr;
     if (rc < 0) {
-        rc += + q->element_count + 1;
+        rc += q->element_count + 1;
     }
     return (uint)rc;
 }
@@ -181,4 +185,7 @@ void queue_remove_blocking(queue_t *q, void *data);
  */
 void queue_peek_blocking(queue_t *q, void *data);
 
+#ifdef __cplusplus
+}
+#endif
 #endif

src/host/CMakeLists.txt

@@ -14,12 +14,19 @@ pico_add_subdirectory(pico_stdlib)
 pico_add_doxygen(${CMAKE_CURRENT_LIST_DIR})
 
 macro(pico_set_float_implementation TARGET IMPL)
+    # ignore
 endmacro()
 
 macro(pico_set_double_implementation TARGET IMPL)
+    # ignore
+endmacro()
+
+macro(pico_set_binary_type TARGET IMPL)
+    # ignore
 endmacro()
 
 macro(pico_set_boot_stage2 TARGET IMPL)
+    # ignore
 endmacro()
 
 set(PICO_HOST_DIR "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "")

src/rp2_common/boot_stage2/CMakeLists.txt

@@ -1,17 +1,34 @@
-# PICO_CMAKE_CONFIG: PICO_DEFAULT_BOOT_STAGE2_FILE, Default stage2 file to use unless overridden by pico_set_boot_stage2 on the TARGET, type=bool, default=.../boot2_w25q080.S, group=build
-if (NOT PICO_DEFAULT_BOOT_STAGE2_FILE)
-    set(PICO_DEFAULT_BOOT_STAGE2_FILE "${CMAKE_CURRENT_LIST_DIR}/boot2_w25q080.S")
+# 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
+# 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
+if (DEFINED ENV{PICO_DEFAULT_BOOT_STAGE2_FILE})
+    set(PICO_DEFAULT_BOOT_STAGE2_FILE $ENV{PICO_DEFAULT_BOOT_STAGE2_FILE})
+    message("Using PICO_DEFAULT_BOOT_STAGE2_FILE from environment ('${PICO_DEFAULT_BOOT_STAGE2_FILE}')")
 endif()
-
 set(PICO_DEFAULT_BOOT_STAGE2_FILE "${PICO_DEFAULT_BOOT_STAGE2_FILE}" CACHE STRING "boot_stage2 source file" FORCE)
 
+set(PICO_BOOT_STAGE2_COMPILE_TIME_CHOICE_NAME compile_time_choice) # local var
+if (NOT PICO_DEFAULT_BOOT_STAGE2_FILE)
+    if (DEFINED ENV{PICO_DEFAULT_BOOT_STAGE2})
+        set(PICO_DEFAULT_BOOT_STAGE2 $ENV{PICO_DEFAULT_BOOT_STAGE2})
+        message("Using PICO_DEFAULT_BOOT_STAGE2 from environment ('${PICO_DEFAULT_BOOT_STAGE2}')")
+    endif()
+    if (NOT DEFINED PICO_DEFAULT_BOOT_STAGE2)
+        set(PICO_DEFAULT_BOOT_STAGE2 ${PICO_BOOT_STAGE2_COMPILE_TIME_CHOICE_NAME})
+    endif()
+    set(PICO_DEFAULT_BOOT_STAGE2 "${PICO_DEFAULT_BOOT_STAGE2}" CACHE STRING "boot_stage2 short name" FORCE)
+    set(PICO_DEFAULT_BOOT_STAGE2_FILE "${CMAKE_CURRENT_LIST_DIR}/${PICO_DEFAULT_BOOT_STAGE2}.S")
+endif()
+
 if (NOT EXISTS ${PICO_DEFAULT_BOOT_STAGE2_FILE})
-    message(FATAL_ERROR "Specified boot_stage2 source '${PICO_BOOT_STAGE2_FILE}' does not exist.")
+    message(FATAL_ERROR "Specified boot_stage2 source '${PICO_DEFAULT_BOOT_STAGE2_FILE}' does not exist.")
 endif()
 
 # needed by function below
 set(PICO_BOOT_STAGE2_DIR "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "")
 
+add_library(boot_stage2_headers INTERFACE)
+target_include_directories(boot_stage2_headers INTERFACE ${CMAKE_CURRENT_LIST_DIR}/include)
+
 # by convention the first source file name without extension is used for the binary info name
 function(pico_define_boot_stage2 NAME SOURCES)
     add_executable(${NAME}
@@ -29,7 +46,7 @@ function(pico_define_boot_stage2 NAME SOURCES)
     # boot2_helpers include dir
     target_include_directories(${NAME} PRIVATE ${PICO_BOOT_STAGE2_DIR}/asminclude)
 
-    target_link_libraries(${NAME} hardware_regs)
+    target_link_libraries(${NAME} hardware_regs boot_stage2_headers)
     target_link_options(${NAME} PRIVATE "LINKER:--script=${PICO_BOOT_STAGE2_DIR}/boot_stage2.ld")
     set_target_properties(${NAME} PROPERTIES LINK_DEPENDS ${PICO_BOOT_STAGE2_DIR}/boot_stage2.ld)
 
@@ -49,17 +66,22 @@ function(pico_define_boot_stage2 NAME SOURCES)
             COMMAND ${Python3_EXECUTABLE} ${PICO_BOOT_STAGE2_DIR}/pad_checksum -s 0xffffffff ${ORIGINAL_BIN} ${PADDED_CHECKSUMMED_ASM}
             )
 
-
     add_library(${NAME}_library INTERFACE)
     add_dependencies(${NAME}_library ${NAME}_padded_checksummed_asm)
     # not strictly (or indeed actually) a link library, but this avoids dependency cycle
     target_link_libraries(${NAME}_library INTERFACE ${PADDED_CHECKSUMMED_ASM})
+    target_link_libraries(${NAME}_library INTERFACE boot_stage2_headers)
 
     list(GET SOURCES 0 FIRST_SOURCE)
-    get_filename_component(BOOT2_BI_NAME ${FIRST_SOURCE} NAME_WE)
-
-    target_compile_definitions(${NAME}_library INTERFACE
-            -DPICO_BOOT2_NAME="${BOOT2_BI_NAME}")
+    get_filename_component(BOOT_STAGE2_BI_NAME ${FIRST_SOURCE} NAME_WE)
+
+    # we only set the PICO_BUILD_STAGE2_NAME if it isn't 'compile_time_choice'
+    if (NOT BOOT_STAGE2_BI_NAME STREQUAL PICO_BOOT_STAGE2_COMPILE_TIME_CHOICE_NAME)
+        target_compile_definitions(${NAME} INTERFACE
+                -DPICO_BUILD_BOOT_STAGE2_NAME="${BOOT_STAGE2_BI_NAME}")
+        target_compile_definitions(${NAME}_library INTERFACE
+                -DPICO_BUILD_BOOT_STAGE2_NAME="${BOOT_STAGE2_BI_NAME}")
+    endif()
 endfunction()
 
 macro(pico_set_boot_stage2 TARGET NAME)

src/rp2_common/boot_stage2/compile_time_choice.S

@@ -0,0 +1,29 @@
+// ----------------------------------------------------------------------------
+// Second stage boot code
+// Copyright (c) 2019-2021 Raspberry Pi (Trading) Ltd.
+// SPDX-License-Identifier: BSD-3-Clause
+// ----------------------------------------------------------------------------
+//
+// This implementation uses the PICO_BOOT_STAGE2_CHOOSE_ preprocessor defines to pick
+// amongst a menu of known boot stage 2 implementations, allowing the board
+// configuration header to be able to specify the boot stage 2
+
+#include "boot_stage2/config.h"
+
+#ifdef PICO_BUILD_BOOT_STAGE2_NAME
+    // boot stage2 is configured by cmake, so use the name specified there
+    #error PICO_BUILD_BOOT_STAGE2_NAME should not be defined for compile_time_choice builds
+#else
+    // boot stage2 is selected by board configu header, so we have to do some work
+    #if PICO_BOOT_STAGE2_CHOOSE_IS25LP080
+        #include "boot2_is25lp080.S"
+    #elif PICO_BOOT_STAGE2_CHOOSE_W25Q080
+        #include "boot2_w28q080.S"
+    #elif PICO_BOOT_STAGE2_CHOOSE_W25X10CL
+        #include "boot2_w25x10cl.S"
+    #elif PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H
+        #include "boot2_generic_03h.S"
+    #else
+        #error unknown boot stage2 choice
+    #endif
+#endif