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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-06-08 18:10:55 +0000 |
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| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-06-08 18:10:55 +0000 |
| commit | c626aec4434149e17e4cd98174e59095a3a06e05 (patch) | |
| tree | 7c1b6cbe99bb7af241fce8d7455181d9c025b73c /nuttx/arch/avr/include | |
| parent | 583f057b1912513fce544714949e29fbe8bdf253 (diff) | |
| download | px4-nuttx-c626aec4434149e17e4cd98174e59095a3a06e05.tar.gz px4-nuttx-c626aec4434149e17e4cd98174e59095a3a06e05.tar.bz2 px4-nuttx-c626aec4434149e17e4cd98174e59095a3a06e05.zip | |
More AVR context switching logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3683 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/avr/include')
| -rw-r--r-- | nuttx/arch/avr/include/avr/irq.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/nuttx/arch/avr/include/avr/irq.h b/nuttx/arch/avr/include/avr/irq.h index b387be671..d3026c185 100644 --- a/nuttx/arch/avr/include/avr/irq.h +++ b/nuttx/arch/avr/include/avr/irq.h @@ -89,9 +89,14 @@ #define REG_R0 33 /* r0 */ #define REG_R24 34 /* r24 */ +/* The program counter is automatically pushed when the interrupt occurs */ + +#define REG_PCH 35 /* PC */ +#define REG_PCL 36 + /* Size of the register state save array (in bytes) */ -#define XCPTCONTEXT_REGS 35 +#define XCPTCONTEXT_REGS 37 /**************************************************************************** * Public Types @@ -111,8 +116,9 @@ struct xcptcontext /* These are saved copies of PC and SR used during signal processing.*/ - uint16_t saved_pc; - uint8_t saved_sr; + uint8_t saved_pcl; + uint8_t saved_pch; + uint8_t saved_sreg; #endif /* Register save area */ |