diff options
| author | Vegard Storheil Eriksen <zyp@jvnv.net> | 2011-12-04 02:05:02 +0100 |
|---|---|---|
| committer | Vegard Storheil Eriksen <zyp@jvnv.net> | 2011-12-04 02:06:47 +0100 |
| commit | 7c165d29b989a15e2fd23a6d17c08d1981411bc3 (patch) | |
| tree | 0bd6128dc807fc0ce8b7761de0eca5a8f96d7d5d | |
| parent | c3d8f5876d6c1016e60a6a1dd33272dc8950163f (diff) | |
Created member function interrupt gate.
| -rw-r--r-- | SConstruct | 2 | ||||
| -rw-r--r-- | hal/interrupt.cpp | 14 | ||||
| -rw-r--r-- | hal/interrupt.h | 23 |
3 files changed, 36 insertions, 3 deletions
@@ -6,7 +6,7 @@ env = Environment( CC = 'arm-none-eabi-gcc',
CXX = 'arm-none-eabi-g++',
AS = 'arm-none-eabi-gcc',
- CCFLAGS = '-O2 -Wall -ggdb -mcpu=cortex-m4 -mthumb -mhard-float -ffunction-sections',
+ CCFLAGS = '-O2 -Wall -ggdb -mcpu=cortex-m4 -mthumb -mhard-float -ffunction-sections -Wno-pmf-conversions',
CXXFLAGS = '-fno-exceptions -fno-rtti',
ASFLAGS = '-c -x assembler-with-cpp -mcpu=cortex-m4 -mthumb -mhard-float',
diff --git a/hal/interrupt.cpp b/hal/interrupt.cpp index e9e7b24..611b09c 100644 --- a/hal/interrupt.cpp +++ b/hal/interrupt.cpp @@ -1,9 +1,21 @@ #include "interrupt.h" +namespace Interrupt { + MFP mf_vectors[16 + NUM_IRQs]; +}; + void entry(); +void member_function_interrupt_gate() { + uint32_t interrupt_num; + asm ("mrs %0, ipsr" : "=r" (interrupt_num)); + + Interrupt::mf_vectors[interrupt_num].func_p(Interrupt::mf_vectors[interrupt_num].instance_p); +} + extern "C" void unused_interrupt() { - while(1) {} + member_function_interrupt_gate(); + //while(1); } template<> void interrupt<Interrupt::NMI>() __attribute__ ((weak, alias ("unused_interrupt"))); diff --git a/hal/interrupt.h b/hal/interrupt.h index f817103..34651f2 100644 --- a/hal/interrupt.h +++ b/hal/interrupt.h @@ -75,7 +75,8 @@ namespace Interrupt { DMA2_Channel1, DMA2_Channel2, DMA2_Channel3, - DMA2_Channel4_5 + DMA2_Channel4_5, + NUM_IRQs }; inline void enable(IRQ n) { @@ -89,6 +90,26 @@ namespace Interrupt { inline void set_priority(IRQ n, uint8_t priority) { NVIC.IPR[n] = priority; } + + struct MFP { + void (*func_p)(void*); + void* instance_p; + }; + + extern MFP mf_vectors[]; + + template<class T> + inline void set_handler(IRQ n, void (T::*f)(), T* i) { + MFP& mfp = mf_vectors[16 + n]; + mfp.func_p = reinterpret_cast<void (*)(void*)>(f); + mfp.instance_p = i; + } + + template<class T> + inline void enable(IRQ n, void (T::*f)(), T* i) { + set_handler(n, f, i); + enable(n); + } }; template<Interrupt::Exception> |