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https://github.com/marqs85/ossc
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change compiler and libc to optimize size
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marqs committed
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@@ -19,7 +19,7 @@ SPACE := $(empty) $(empty)
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#------------------------------------------------------------------------------
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# The adjust-path macro
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#
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#
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# If COMSPEC is defined, Make is launched from Windows through
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# Cygwin. This adjust-path macro will call 'cygpath -u' on all
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# paths to ensure they are readable by Make.
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@@ -78,26 +78,26 @@ OBJ_DIR := ./obj
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# utilize the BSP settings mechanism to do so.
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#
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# Note that most variable assignments in this section have a corresponding BSP
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# setting that can be changed by using the nios2-bsp-create-settings or
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# nios2-bsp-update-settings command before nios2-bsp-generate-files; if you
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# want any variable set to a specific value when this Makefile is re-generated
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# (to prevent hand-edits from being over-written), use the BSP settings
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# setting that can be changed by using the nios2-bsp-create-settings or
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# nios2-bsp-update-settings command before nios2-bsp-generate-files; if you
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# want any variable set to a specific value when this Makefile is re-generated
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# (to prevent hand-edits from being over-written), use the BSP settings
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# facilities above.
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#------------------------------------------------------------------------------
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#START MANAGED
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# The following TYPE comment allows tools to identify the 'type' of target this
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# makefile is associated with.
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# The following TYPE comment allows tools to identify the 'type' of target this
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# makefile is associated with.
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# TYPE: BSP_PRIVATE_MAKEFILE
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# This following VERSION comment indicates the version of the tool used to
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# generate this makefile. A makefile variable is provided for VERSION as well.
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# This following VERSION comment indicates the version of the tool used to
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# generate this makefile. A makefile variable is provided for VERSION as well.
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# ACDS_VERSION: 17.1
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ACDS_VERSION := 17.1
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# This following BUILD_NUMBER comment indicates the build number of the tool
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# used to generate this makefile.
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# This following BUILD_NUMBER comment indicates the build number of the tool
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# used to generate this makefile.
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# BUILD_NUMBER: 590
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SETTINGS_FILE := settings.bsp
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@@ -105,52 +105,52 @@ SOPC_FILE := ../../sys.sopcinfo
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#-------------------------------------------------------------------------------
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# TOOL & COMMAND DEFINITIONS
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#
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#
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# The base command for each build operation are expressed here. Additional
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# switches may be expressed here. They will run for all instances of the
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# switches may be expressed here. They will run for all instances of the
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# utility.
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#-------------------------------------------------------------------------------
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# Archiver command. Creates library files.
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AR = riscv32-unknown-elf-ar
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# Archiver command. Creates library files.
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AR = riscv64-unknown-elf-ar
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# Assembler command. Note that CC is used for .S files.
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AS = riscv32-unknown-elf-gcc
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# Assembler command. Note that CC is used for .S files.
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AS = riscv64-unknown-elf-gcc
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# Custom flags only passed to the archiver. This content of this variable is
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# directly passed to the archiver rather than the more standard "ARFLAGS". The
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# reason for this is that GNU Make assumes some default content in ARFLAGS.
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# This setting defines the value of BSP_ARFLAGS in Makefile.
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# Custom flags only passed to the archiver. This content of this variable is
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# directly passed to the archiver rather than the more standard "ARFLAGS". The
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# reason for this is that GNU Make assumes some default content in ARFLAGS.
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# This setting defines the value of BSP_ARFLAGS in Makefile.
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BSP_ARFLAGS = -src
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# Custom flags only passed to the assembler. This setting defines the value of
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# BSP_ASFLAGS in Makefile.
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# Custom flags only passed to the assembler. This setting defines the value of
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# BSP_ASFLAGS in Makefile.
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BSP_ASFLAGS = -Wa,-gdwarf2
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# C/C++ compiler optimization level. "-O0" = no optimization,"-O2" = "normal"
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# optimization, etc. "-O0" is recommended for code that you want to debug since
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# compiler optimization can remove variables and produce non-sequential
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# execution of code while debugging. This setting defines the value of
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# BSP_CFLAGS_OPTIMIZATION in Makefile.
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# C/C++ compiler optimization level. "-O0" = no optimization,"-O2" = "normal"
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# optimization, etc. "-O0" is recommended for code that you want to debug since
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# compiler optimization can remove variables and produce non-sequential
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# execution of code while debugging. This setting defines the value of
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# BSP_CFLAGS_OPTIMIZATION in Makefile.
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BSP_CFLAGS_OPTIMIZATION = -Os
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# C/C++ compiler warning level. "-Wall" is commonly used.This setting defines
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# the value of BSP_CFLAGS_WARNINGS in Makefile.
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# C/C++ compiler warning level. "-Wall" is commonly used.This setting defines
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# the value of BSP_CFLAGS_WARNINGS in Makefile.
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BSP_CFLAGS_WARNINGS = -Wall
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# C compiler command.
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CC = riscv32-unknown-elf-gcc -xc
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# C compiler command.
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CC = riscv64-unknown-elf-gcc -xc
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# C++ compiler command.
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CXX = riscv32-unknown-elf-gcc -xc++
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# C++ compiler command.
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CXX = riscv64-unknown-elf-gcc -xc++
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# Command used to remove files during 'clean' target.
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# Command used to remove files during 'clean' target.
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RM = rm -f
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#-------------------------------------------------------------------------------
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# BUILD PRE & POST PROCESS COMMANDS
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#
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#
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# The following variables are treated as shell commands in the rule
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# definitions for each file-type associated with the BSP build, as well as
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# commands run at the beginning and end of the entire BSP build operation.
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@@ -158,7 +158,7 @@ RM = rm -f
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# a command defined in the "CC_PRE_PROCESS" variable executes before the C
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# compiler for building .c files), while post-process commands are executed
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# immediately afterwards.
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#
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#
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# You can view each pre/post-process command in the "Build Rules: All &
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# Clean", "Pattern Rules to Build Objects", and "Library Rules" sections of
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# this Makefile.
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@@ -167,33 +167,33 @@ RM = rm -f
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#-------------------------------------------------------------------------------
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# BSP SOURCE BUILD SETTINGS (FLAG GENERATION)
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#
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#
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# Software build settings such as compiler optimization, debug level, warning
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# flags, etc., may be defined in the following variables. The variables below
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# are concatenated together in the 'Flags' section of this Makefile to form
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# final variables of flags passed to the build tools.
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#
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#
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# These settings are considered private to the BSP and apply to all library &
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# driver files in it; they do NOT automatically propagate to, for example, the
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# build settings for an application.
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# # For additional detail and syntax requirements, please refer to GCC help
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# (example: "nios2-elf-gcc --help --verbose").
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#
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#
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# Unless indicated otherwise, multiple entries in each variable should be
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# space-separated.
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#-------------------------------------------------------------------------------
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# Altera HAL alt_sys_init.c generated source file
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# Altera HAL alt_sys_init.c generated source file
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GENERATED_C_FILES := $(ABS_BSP_ROOT)/alt_sys_init.c
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GENERATED_C_LIB_SRCS += alt_sys_init.c
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#-------------------------------------------------------------------------------
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# BSP SOURCE FILE LISTING
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#
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# All source files that comprise the BSP are listed here, along with path
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# information to each file expressed relative to the BSP root. The precise
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# list and location of each file is derived from the driver, operating system,
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#
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# All source files that comprise the BSP are listed here, along with path
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# information to each file expressed relative to the BSP root. The precise
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# list and location of each file is derived from the driver, operating system,
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# or software package source file declarations.
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#
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# Following specification of the source files for each component, driver, etc.,
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@@ -202,10 +202,10 @@ GENERATED_C_LIB_SRCS += alt_sys_init.c
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# used to build each file.
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#-------------------------------------------------------------------------------
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# altera_avalon_jtag_uart_driver sources root
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# altera_avalon_jtag_uart_driver sources root
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altera_avalon_jtag_uart_driver_SRCS_ROOT := drivers
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# altera_avalon_jtag_uart_driver sources
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# altera_avalon_jtag_uart_driver sources
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altera_avalon_jtag_uart_driver_C_LIB_SRCS := \
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$(altera_avalon_jtag_uart_driver_SRCS_ROOT)/src/altera_avalon_jtag_uart_init.c \
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$(altera_avalon_jtag_uart_driver_SRCS_ROOT)/src/altera_avalon_jtag_uart_read.c \
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@@ -213,14 +213,14 @@ altera_avalon_jtag_uart_driver_C_LIB_SRCS := \
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$(altera_avalon_jtag_uart_driver_SRCS_ROOT)/src/altera_avalon_jtag_uart_ioctl.c \
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$(altera_avalon_jtag_uart_driver_SRCS_ROOT)/src/altera_avalon_jtag_uart_fd.c
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# altera_avalon_pio_driver sources root
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# altera_avalon_pio_driver sources root
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altera_avalon_pio_driver_SRCS_ROOT := drivers
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# altera_avalon_pio_driver sources
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# altera_avalon_timer_driver sources root
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# altera_avalon_pio_driver sources
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# altera_avalon_timer_driver sources root
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altera_avalon_timer_driver_SRCS_ROOT := drivers
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# altera_avalon_timer_driver sources
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# altera_avalon_timer_driver sources
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altera_avalon_timer_driver_C_LIB_SRCS := \
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$(altera_avalon_timer_driver_SRCS_ROOT)/src/altera_avalon_timer_ts.c \
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$(altera_avalon_timer_driver_SRCS_ROOT)/src/altera_avalon_timer_vars.c
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@@ -232,10 +232,10 @@ altera_epcq_controller2_driver_SRCS_ROOT := drivers
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altera_epcq_controller2_driver_C_LIB_SRCS := \
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$(altera_epcq_controller2_driver_SRCS_ROOT)/src/altera_epcq_controller2.c
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# altera_nios2_gen2_hal_driver sources root
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# altera_nios2_gen2_hal_driver sources root
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altera_nios2_gen2_hal_driver_SRCS_ROOT := HAL
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# altera_nios2_gen2_hal_driver sources
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# altera_nios2_gen2_hal_driver sources
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altera_nios2_gen2_hal_driver_C_LIB_SRCS := \
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$(altera_nios2_gen2_hal_driver_SRCS_ROOT)/src/alt_usleep.c \
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$(altera_nios2_gen2_hal_driver_SRCS_ROOT)/src/alt_printf.c \
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@@ -251,28 +251,28 @@ altera_nios2_gen2_hal_driver_C_LIB_SRCS := \
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$(altera_nios2_gen2_hal_driver_SRCS_ROOT)/src/alt_do_ctors.c \
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$(altera_nios2_gen2_hal_driver_SRCS_ROOT)/src/alt_do_dtors.c
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# hal sources root
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# hal sources root
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hal_SRCS_ROOT := HAL
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# hal sources
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# hal sources
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hal_C_LIB_SRCS := \
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$(hal_SRCS_ROOT)/src/alt_dev_llist_insert.c \
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$(hal_SRCS_ROOT)/src/alt_errno.c \
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$(hal_SRCS_ROOT)/src/alt_flash_dev.c \
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$(hal_SRCS_ROOT)/src/alt_main.c
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# i2c_opencores_driver sources root
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# i2c_opencores_driver sources root
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i2c_opencores_driver_SRCS_ROOT := drivers
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# i2c_opencores_driver sources
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# i2c_opencores_driver sources
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i2c_opencores_driver_C_LIB_SRCS := \
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$(i2c_opencores_driver_SRCS_ROOT)/src/i2c_opencores.c
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# nios2_hw_crc32_driver sources root
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# nios2_hw_crc32_driver sources root
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nios2_hw_crc32_driver_SRCS_ROOT := drivers
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# Assemble all component C source files
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# Assemble all component C source files
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COMPONENT_C_LIB_SRCS += \
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$(altera_avalon_jtag_uart_driver_C_LIB_SRCS) \
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$(altera_avalon_timer_driver_C_LIB_SRCS) \
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@@ -282,11 +282,11 @@ COMPONENT_C_LIB_SRCS += \
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$(i2c_opencores_driver_C_LIB_SRCS) \
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$(nios2_hw_crc32_driver_C_LIB_SRCS)
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# Assemble all component assembly source files
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# Assemble all component assembly source files
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COMPONENT_ASM_LIB_SRCS += \
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$(altera_nios2_gen2_hal_driver_ASM_LIB_SRCS)
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# Assemble all component C++ source files
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# Assemble all component C++ source files
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COMPONENT_CPP_LIB_SRCS += \
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#END MANAGED
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@@ -306,7 +306,7 @@ COMPONENT_CPP_LIB_SRCS += \
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# purpose of this variable is to allow an external Makefile to append on
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# path information to precisely locate paths expressed in public.mk
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# Since this is the BSP Makefile, we set ALT_LIBRARY_ROOT_DIR to point right
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# here ("."), at the BSP root.
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# here ("."), at the BSP root.
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#
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# ALT_LIBRARY_ROOT_DIR must always be set before public.mk is included.
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#------------------------------------------------------------------------------
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@@ -332,13 +332,14 @@ BSP_CFLAGS += \
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$(BSP_CFLAGS_WARNINGS) \
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$(BSP_CFLAGS_USER_FLAGS) \
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$(ALT_CFLAGS) \
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$(CFLAGS)
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$(CFLAGS)
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# Make ready the final list of include directories and other C pre-processor
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# flags. Each include path is made ready by prefixing it with "-I".
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BSP_CPPFLAGS += \
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$(addprefix -I, $(BSP_INC_DIRS)) \
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$(addprefix -I, $(ALT_INCLUDE_DIRS)) \
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$(addprefix -I, /usr/lib/picolibc/riscv64-unknown-elf/include) \
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$(ALT_CPPFLAGS) \
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$(CPPFLAGS)
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@@ -408,7 +409,7 @@ DEPS = $(OBJS:.o=.d)
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# Rules to force your project to rebuild or relink
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# .force_relink file will cause any application that depends on this project to relink
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# .force_relink file will cause any application that depends on this project to relink
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# .force_rebuild file will cause this project to rebuild object files
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# .force_rebuild_all file will cause this project and any project that depends on this project to rebuild object files
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@@ -691,7 +692,7 @@ endif
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ifneq ($(NEWLIB_DIR),)
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$(NEWLIB_DIR):
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@$(ECHO) Creating $(NEWLIB_DIR)...
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nios2-newlib-gen --no-multilib $(NEWLIB_DIR)-build-tmp $(NEWLIB_DIR) --custom "$(NEWLIB_FLAGS)"
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nios2-newlib-gen --no-multilib $(NEWLIB_DIR)-build-tmp $(NEWLIB_DIR) --custom "$(NEWLIB_FLAGS)"
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@$(ECHO) Removing $(NEWLIB_DIR)-build-tmp...
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@$(RM) -rf $(NEWLIB_DIR)-build-tmp
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endif
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