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Diffstat (limited to 'misc/buildroot/configs/README.txt')
| -rw-r--r-- | misc/buildroot/configs/README.txt | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/misc/buildroot/configs/README.txt b/misc/buildroot/configs/README.txt index 86a500ecf..fd57dd2fd 100644 --- a/misc/buildroot/configs/README.txt +++ b/misc/buildroot/configs/README.txt @@ -4,18 +4,22 @@ AVAILABLE CONFIGURATIONS arm-defconfig Builds an ARM toolchain using gcc 3.4.5 +arm7tdmi-defconfig-4.2.4 arm920t-defconfig-4.2.4 arm926t-defconfig-4.2.4 Builds an ARM toolchain using gcc 4.2.4. This configuration - builds both gcc and g++. There are two versions: one for - arm920t (armv4t) and arm926t (arv5t) because of differences - in the way that soft floating is handled in these two architectures. + builds both gcc and g++. There are thred versions: one for + arm7tdmi (armv4t) , arm920t (armv4t) and arm926t (arv5t) because + of differences in the way that soft floating is handled in between + the armv4t and arm5t architectures. NOTE: At present, there are issues with some of the binutils programs (arm-elf-objcopy in particular) that cause Floating - point exceptions when trying to build NuttX. This is probably + point exceptions when trying to build NuttX on certain platforms, + specifically, those that execute from FLASH and use arm-elf-objcopy + to relocate the .data section into flash. This bug is probably due to improperly positioned sections and can probably fixed - by changing the architectures .ldscript file. + by changing the architecture's ld.script file. cortexm3-defconfig-4.3.3 Builds an ARM toolchain for the Cortex-M3 using gcc 4.3.3. @@ -132,4 +136,4 @@ Cygwin GCC BUILD NOTES cd - # Back to the buildroot make directory make # Restart the build -
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