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Update all config README.txt files to show that they use the EABI buildroot toolchain

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git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5218 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2012-10-06 17:29:36 +00:00
parent 4d23437df0
commit 79e092e362
24 changed files with 2648 additions and 1612 deletions
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nuttx/configs/eagle100/README.txt
+141 -91
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@@ -110,8 +110,8 @@ CodeSourcery on Linux
For an example of a CodeSourcery-under-Linux Make.defs file, see
configs/stm3210e-eval/nsh/Make.defs.
NuttX buildroot Toolchain
^^^^^^^^^^^^^^^^^^^^^^^^^
NuttX EABI "buildroot" Toolchain
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
A GNU GCC-based toolchain is assumed. The files */setenv.sh should
be modified to point to the correct path to the Cortex-M3 GCC toolchain (if
@@ -134,7 +134,7 @@ NuttX buildroot Toolchain
4. cd <some-dir>/buildroot
5. cp configs/cortexm3-defconfig-4.3.3 .config
5. cp configs/cortexm3-eabi-defconfig-4.6.3 .config
6. make oldconfig
@@ -144,9 +144,59 @@ NuttX buildroot Toolchain
the path to the newly built binaries.
See the file configs/README.txt in the buildroot source tree. That has more
detailed PLUS some special instructions that you will need to follow if you are
details PLUS some special instructions that you will need to follow if you are
building a Cortex-M3 toolchain for Cygwin under Windows.
NuttX OABI "buildroot" Toolchain
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The older, OABI buildroot toolchain is also available. To use the OABI
toolchain:
1. When building the buildroot toolchain, either (1) modify the cortexm3-eabi-defconfig-4.6.3
configuration to use EABI (using 'make menuconfig'), or (2) use an exising OABI
configuration such as cortexm3-defconfig-4.3.3
2. Modify the Make.defs file to use the OABI converntions:
+CROSSDEV = arm-nuttx-elf-
+ARCHCPUFLAGS = -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
-CROSSDEV = arm-nuttx-eabi-
-ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
NXFLAT Toolchain
^^^^^^^^^^^^^^^^
If you are *not* using the NuttX buildroot toolchain and you want to use
the NXFLAT tools, then you will still have to build a portion of the buildroot
tools -- just the NXFLAT tools. The buildroot with the NXFLAT tools can
be downloaded from the NuttX SourceForge download site
(https://sourceforge.net/projects/nuttx/files/).
This GNU toolchain builds and executes in the Linux or Cygwin environment.
1. You must have already configured Nuttx in <some-dir>/nuttx.
cd tools
./configure.sh lpcxpresso-lpc1768/<sub-dir>
2. Download the latest buildroot package into <some-dir>
3. unpack the buildroot tarball. The resulting directory may
have versioning information on it like buildroot-x.y.z. If so,
rename <some-dir>/buildroot-x.y.z to <some-dir>/buildroot.
4. cd <some-dir>/buildroot
5. cp configs/cortexm3-defconfig-nxflat .config
6. make oldconfig
7. make
8. Edit setenv.h, if necessary, so that the PATH variable includes
the path to the newly builtNXFLAT binaries.
Ethernet-Bootloader
^^^^^^^^^^^^^^^^^^^
@@ -207,127 +257,127 @@ Ethernet-Bootloader
Eagle100-specific Configuration Options
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
CONFIG_ARCH - Identifies the arch/ subdirectory. This should
be set to:
CONFIG_ARCH - Identifies the arch/ subdirectory. This should
be set to:
CONFIG_ARCH=arm
CONFIG_ARCH=arm
CONFIG_ARCH_family - For use in C code:
CONFIG_ARCH_family - For use in C code:
CONFIG_ARCH_ARM=y
CONFIG_ARCH_ARM=y
CONFIG_ARCH_architecture - For use in C code:
CONFIG_ARCH_architecture - For use in C code:
CONFIG_ARCH_CORTEXM3=y
CONFIG_ARCH_CORTEXM3=y
CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory
CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory
CONFIG_ARCH_CHIP=lm3s
CONFIG_ARCH_CHIP=lm3s
CONFIG_ARCH_CHIP_name - For use in C code to identify the exact
chip:
CONFIG_ARCH_CHIP_name - For use in C code to identify the exact
chip:
CONFIG_ARCH_CHIP_LM3S6918
CONFIG_ARCH_CHIP_LM3S6918
CONFIG_ARCH_BOARD - Identifies the configs subdirectory and
hence, the board that supports the particular chip or SoC.
CONFIG_ARCH_BOARD - Identifies the configs subdirectory and
hence, the board that supports the particular chip or SoC.
CONFIG_ARCH_BOARD=eagle100 (for the MicroMint Eagle-100 development board)
CONFIG_ARCH_BOARD=eagle100 (for the MicroMint Eagle-100 development board)
CONFIG_ARCH_BOARD_name - For use in C code
CONFIG_ARCH_BOARD_name - For use in C code
CONFIG_ARCH_BOARD_EAGLE100
CONFIG_ARCH_BOARD_EAGLE100
CONFIG_ARCH_LOOPSPERMSEC - Must be calibrated for correct operation
of delay loops
CONFIG_ARCH_LOOPSPERMSEC - Must be calibrated for correct operation
of delay loops
CONFIG_ENDIAN_BIG - define if big endian (default is little
endian)
CONFIG_ENDIAN_BIG - define if big endian (default is little
endian)
CONFIG_DRAM_SIZE - Describes the installed DRAM (SRAM in this case):
CONFIG_DRAM_SIZE - Describes the installed DRAM (SRAM in this case):
CONFIG_DRAM_SIZE=0x00010000 (64Kb)
CONFIG_DRAM_SIZE=0x00010000 (64Kb)
CONFIG_DRAM_START - The start address of installed DRAM
CONFIG_DRAM_START - The start address of installed DRAM
CONFIG_DRAM_START=0x20000000
CONFIG_DRAM_START=0x20000000
CONFIG_ARCH_IRQPRIO - The LM3S6918 supports interrupt prioritization
CONFIG_ARCH_IRQPRIO - The LM3S6918 supports interrupt prioritization
CONFIG_ARCH_IRQPRIO=y
CONFIG_ARCH_IRQPRIO=y
CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to boards that
have LEDs
CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to boards that
have LEDs
CONFIG_ARCH_INTERRUPTSTACK - This architecture supports an interrupt
stack. If defined, this symbol is the size of the interrupt
stack in bytes. If not defined, the user task stacks will be
used during interrupt handling.
CONFIG_ARCH_INTERRUPTSTACK - This architecture supports an interrupt
stack. If defined, this symbol is the size of the interrupt
stack in bytes. If not defined, the user task stacks will be
used during interrupt handling.
CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions
CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions
CONFIG_ARCH_BOOTLOADER - Configure to use the MicroMint Eagle-100
Ethernet bootloader.
CONFIG_ARCH_BOOTLOADER - Configure to use the MicroMint Eagle-100
Ethernet bootloader.
CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to board architecture.
CONFIG_ARCH_LEDS - Use LEDs to show state. Unique to board architecture.
CONFIG_ARCH_CALIBRATION - Enables some build in instrumentation that
cause a 100 second delay during boot-up. This 100 second delay
serves no purpose other than it allows you to calibratre
CONFIG_ARCH_LOOPSPERMSEC. You simply use a stop watch to measure
the 100 second delay then adjust CONFIG_ARCH_LOOPSPERMSEC until
the delay actually is 100 seconds.
CONFIG_ARCH_CALIBRATION - Enables some build in instrumentation that
cause a 100 second delay during boot-up. This 100 second delay
serves no purpose other than it allows you to calibratre
CONFIG_ARCH_LOOPSPERMSEC. You simply use a stop watch to measure
the 100 second delay then adjust CONFIG_ARCH_LOOPSPERMSEC until
the delay actually is 100 seconds.
There are configurations for disabling support for interrupts GPIO ports.
GPIOH and GPIOJ must be disabled because they do not exist on the LM3S6918.
Additional interrupt support can be disabled if desired to reduce memory
footprint.
CONFIG_LM3S_DISABLE_GPIOA_IRQS=n
CONFIG_LM3S_DISABLE_GPIOB_IRQS=n
CONFIG_LM3S_DISABLE_GPIOC_IRQS=n
CONFIG_LM3S_DISABLE_GPIOD_IRQS=n
CONFIG_LM3S_DISABLE_GPIOE_IRQS=n
CONFIG_LM3S_DISABLE_GPIOF_IRQS=n
CONFIG_LM3S_DISABLE_GPIOG_IRQS=n
CONFIG_LM3S_DISABLE_GPIOH_IRQS=y
CONFIG_LM3S_DISABLE_GPIOJ_IRQS=y
CONFIG_LM3S_DISABLE_GPIOA_IRQS=n
CONFIG_LM3S_DISABLE_GPIOB_IRQS=n
CONFIG_LM3S_DISABLE_GPIOC_IRQS=n
CONFIG_LM3S_DISABLE_GPIOD_IRQS=n
CONFIG_LM3S_DISABLE_GPIOE_IRQS=n
CONFIG_LM3S_DISABLE_GPIOF_IRQS=n
CONFIG_LM3S_DISABLE_GPIOG_IRQS=n
CONFIG_LM3S_DISABLE_GPIOH_IRQS=y
CONFIG_LM3S_DISABLE_GPIOJ_IRQS=y
LM3S6818 specific device driver settings
CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the
console and ttys0 (default is the UART0).
CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received.
This specific the size of the receive buffer
CONFIG_UARTn_TXBUFSIZE - Characters are buffered before
being sent. This specific the size of the transmit buffer
CONFIG_UARTn_BAUD - The configure BAUD of the UART. Must be
CONFIG_UARTn_BITS - The number of bits. Must be either 7 or 8.
CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
CONFIG_UARTn_2STOP - Two stop bits
CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the
console and ttys0 (default is the UART0).
CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received.
This specific the size of the receive buffer
CONFIG_UARTn_TXBUFSIZE - Characters are buffered before
being sent. This specific the size of the transmit buffer
CONFIG_UARTn_BAUD - The configure BAUD of the UART. Must be
CONFIG_UARTn_BITS - The number of bits. Must be either 7 or 8.
CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
CONFIG_UARTn_2STOP - Two stop bits
CONFIG_SSI0_DISABLE - Select to disable support for SSI0
CONFIG_SSI1_DISABLE - Select to disable support for SSI1
CONFIG_SSI_POLLWAIT - Select to disable interrupt driven SSI support.
Poll-waiting is recommended if the interrupt rate would be to
high in the interrupt driven case.
CONFIG_SSI_TXLIMIT - Write this many words to the Tx FIFO before
emptying the Rx FIFO. If the SPI frequency is high and this
value is large, then larger values of this setting may cause
Rx FIFO overrun errors. Default: half of the Tx FIFO size (4).
CONFIG_SSI0_DISABLE - Select to disable support for SSI0
CONFIG_SSI1_DISABLE - Select to disable support for SSI1
CONFIG_SSI_POLLWAIT - Select to disable interrupt driven SSI support.
Poll-waiting is recommended if the interrupt rate would be to
high in the interrupt driven case.
CONFIG_SSI_TXLIMIT - Write this many words to the Tx FIFO before
emptying the Rx FIFO. If the SPI frequency is high and this
value is large, then larger values of this setting may cause
Rx FIFO overrun errors. Default: half of the Tx FIFO size (4).
CONFIG_LM3S_ETHERNET - This must be set (along with CONFIG_NET)
to build the LM3S Ethernet driver
CONFIG_LM3S_ETHLEDS - Enable to use Ethernet LEDs on the board.
CONFIG_LM3S_BOARDMAC - If the board-specific logic can provide
a MAC address (via lm3s_ethernetmac()), then this should be selected.
CONFIG_LM3S_ETHHDUPLEX - Set to force half duplex operation
CONFIG_LM3S_ETHNOAUTOCRC - Set to suppress auto-CRC generation
CONFIG_LM3S_ETHNOPAD - Set to suppress Tx padding
CONFIG_LM3S_MULTICAST - Set to enable multicast frames
CONFIG_LM3S_PROMISCUOUS - Set to enable promiscuous mode
CONFIG_LM3S_BADCRC - Set to enable bad CRC rejection.
CONFIG_LM3S_DUMPPACKET - Dump each packet received/sent to the console.
CONFIG_LM3S_ETHERNET - This must be set (along with CONFIG_NET)
to build the LM3S Ethernet driver
CONFIG_LM3S_ETHLEDS - Enable to use Ethernet LEDs on the board.
CONFIG_LM3S_BOARDMAC - If the board-specific logic can provide
a MAC address (via lm3s_ethernetmac()), then this should be selected.
CONFIG_LM3S_ETHHDUPLEX - Set to force half duplex operation
CONFIG_LM3S_ETHNOAUTOCRC - Set to suppress auto-CRC generation
CONFIG_LM3S_ETHNOPAD - Set to suppress Tx padding
CONFIG_LM3S_MULTICAST - Set to enable multicast frames
CONFIG_LM3S_PROMISCUOUS - Set to enable promiscuous mode
CONFIG_LM3S_BADCRC - Set to enable bad CRC rejection.
CONFIG_LM3S_DUMPPACKET - Dump each packet received/sent to the console.
Configurations
^^^^^^^^^^^^^^
@@ -335,10 +385,10 @@ Configurations
Each Eagle-100 configuration is maintained in a sudirectory and
can be selected as follow:
cd tools
./configure.sh eagle100/<subdir>
cd -
. ./setenv.sh
cd tools
./configure.sh eagle100/<subdir>
cd -
. ./setenv.sh
Where <subdir> is one of the following: