00001 #ifndef _ARCH_ARM_AT91_H_
00002 #define _ARCH_ARM_AT91_H_
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00082 #if defined (MCU_AT91R40008)
00083 #include <arch/arm/at91x40.h>
00084 #elif defined (MCU_AT91SAM7X256)
00085 #include <arch/arm/at91sam7x.h>
00086 #elif defined (MCU_AT91SAM7S256)
00087 #include <arch/arm/at91sam7s.h>
00088 #elif defined (MCU_AT91SAM9260)
00089 #include <arch/arm/at91sam9260.h>
00090 #endif
00091
00094
00095 #ifdef __GNUC__
00096
00100 #define IRQ_ENTRY() \
00101 asm volatile("sub lr, lr,#4" "\n\t" \
00102 "stmfd sp!,{r0-r12,lr}" "\n\t" \
00103 "mrs r1, spsr" "\n\t" \
00104 "stmfd sp!,{r1}" "\n\t")
00105
00109 #define IRQ_EXIT() \
00110 asm volatile("ldmfd sp!, {r1}" "\n\t" \
00111 "msr spsr_c, r1" "\n\t" \
00112 "ldr r0, =0xFFFFF000" "\n\t" \
00113 "str r0, [r0, #0x130]" "\n\t" \
00114 "ldmfd sp!, {r0-r12, pc}^" "\n\t")
00115
00119 #define FIQ_ENTRY() \
00120 asm volatile("sub lr, lr,#4" "\n\t" \
00121 "stmfd sp!,{r0-r7,lr}" "\n\t" \
00122 "mrs r1, spsr" "\n\t" \
00123 "stmfd sp!,{r1}" "\n\t")
00124
00128 #define FIQ_EXIT() \
00129 asm volatile("ldmfd sp!, {r1}" "\n\t" \
00130 "msr spsr_c, r1" "\n\t" \
00131 "ldr r0, =0xFFFFF000" "\n\t" \
00132 "str r0, [r0, #0x130]" "\n\t" \
00133 "ldmfd sp!, {r0-r7, pc}^" "\n\t")
00134
00135 #else
00136
00137 #define IRQ_ENTRY() \
00138 asm("sub lr, lr,#4\n" \
00139 "stmfd sp!,{r0-r12,lr}\n" \
00140 "mrs r1, spsr\n" \
00141 "stmfd sp!,{r1}\n")
00142
00143 #define IRQ_EXIT() \
00144 asm("ldmfd sp!, {r1}\n" \
00145 "msr spsr_c, r1\n" \
00146 ";ldr r0, =0xFFFFF000\n" \
00147 "str r0, [r0, #0x130]\n" \
00148 "ldmfd sp!, {r0-r12, pc}^")
00149
00150 #define FIQ_ENTRY() \
00151 asm("sub lr, lr,#4\n" \
00152 "stmfd sp!,{r0-r7,lr}\n" \
00153 "mrs r1, spsr\n" \
00154 "stmfd sp!,{r1}\n")
00155
00156 #define FIQ_EXIT() \
00157 asm("ldmfd sp!, {r1}\n" \
00158 "msr spsr_c, r1\n" \
00159 ";ldr r0, =0xFFFFF000\n" \
00160 "str r0, [r0, #0x130]\n" \
00161 "ldmfd sp!, {r0-r7, pc}^")
00162
00163 #endif
00164
00167 #ifndef __ASSEMBLER__
00168 extern void McuInit(void);
00169 #endif
00170
00171 #endif