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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-12 22:15:49 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-12 22:15:49 +0000 |
| commit | 11afe6bb048bff910f4345f8f344c5172a9f4ee8 (patch) | |
| tree | 40f400e9c2a21a75c596cb2c0e1d05e8e058eff8 /nuttx/arch/arm/src/lm3s/lm3s_start.c | |
| parent | bafdbfb93e8a833830ffb65210c3cb9624e680be (diff) | |
| download | px4-nuttx-11afe6bb048bff910f4345f8f344c5172a9f4ee8.tar.gz px4-nuttx-11afe6bb048bff910f4345f8f344c5172a9f4ee8.tar.bz2 px4-nuttx-11afe6bb048bff910f4345f8f344c5172a9f4ee8.zip | |
Flesh out LM3S9618 interrupt control logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1774 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lm3s/lm3s_start.c')
| -rw-r--r-- | nuttx/arch/arm/src/lm3s/lm3s_start.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/lm3s/lm3s_start.c b/nuttx/arch/arm/src/lm3s/lm3s_start.c index 279b4a961..fba5e9325 100644 --- a/nuttx/arch/arm/src/lm3s/lm3s_start.c +++ b/nuttx/arch/arm/src/lm3s/lm3s_start.c @@ -69,6 +69,8 @@ extern uint32 _edata; /* End+1 of .data */ extern uint32 _sbss; /* Start of .bss */ extern uint32 _ebss; /* End+1 of .bss */ +extern void lm3s_vectors(void); + /**************************************************************************** * Private Functions ****************************************************************************/ @@ -110,6 +112,14 @@ void _start(void) up_lowsetup(); showprogress('A'); + /* If we booted from a bootloader, then set the NVIC to use our copy of + * of the vectors in FLASH. + */ + +#ifdef CONFIG_ARCH_BOOTLOADER + putreg32((uint32)lm3s_vectors, NVIC_VECTAB); +#endif + /* Clear .bss. We'll do this inline (vs. calling memset) just to be * certain that there are no issues with the state of global variables. */ |