AT91SAM7S Processor Initialization and Support (armlib/arch/at91/processor.c)
[Drivers for Atmel AT91 ARM Processors]

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Detailed Description

 #include "processor.h" 

Overview

To be written...

Defines
#define	CPSR_MASK_IRQ   0x00000080
#define	CPSR_MASK_FIQ   0x00000040
#define	CPSR_MASK_INT   (CPSR_MASK_IRQ | CPSR_MASK_FIQ)
#define	CRITICAL_SECTION_BEGIN   unsigned int _cpsr = processorDisableInt(CPSR_MASK_INT)
#define	CRITICAL_SECTION_END   processorRestoreInt(_cpsr)
#define	SYSPID_PITC   0
#define	SYSPID_DBGU   1
#define	SYSPID_RTTC   2
#define	SYSPID_EFC   3
#define	SYSPID_PMC   4
#define	SYSPID_NUM   5
#define	ISR_ENTRY()
#define	ISR_EXIT()
Functions
void	processorInit (void)
unsigned int	processorEnableInt (unsigned int cpsr_mask)
unsigned int	processorDisableInt (unsigned int cpsr_mask)
unsigned int	processorRestoreInt (unsigned int cpsr_orig)
void	processorAicInit (void)
void	processorAicAttach (int pid, int srcmode, void(*userFunc)(void))
void	processorAicDetach (int pid)
void	processorAicAttachSys (int syspid, void(*userFunc)(void))
void	processorSysIntService (void)

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Define Documentation

#define ISR_ENTRY (   )

Value: asm volatile(" sub lr, lr,#4\n" \ " stmfd sp!,{r0-r12,lr}\n" \ " mrs r1, spsr\n" \ " stmfd sp!,{r1}") Definition at line 76 of file processor.h.

#define ISR_EXIT (   )

Value: asm volatile(" ldmfd sp!,{r1}\n" \ " msr spsr_c,r1\n" \ " ldmfd sp!,{r0-r12,pc}^") Definition at line 83 of file processor.h.

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