00001 #ifndef _ARCH_ARM_AT91_H_
00002 #define _ARCH_ARM_AT91_H_
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00092 #if defined (MCU_AT91R40008)
00093 #include <arch/arm/at91x40.h>
00094 #elif defined (MCU_AT91SAM7X)
00095 #include <arch/arm/at91sam7x.h>
00096 #elif defined (MCU_AT91SAM7S)
00097 #include <arch/arm/at91sam7s.h>
00098 #elif defined (MCU_AT91SAM7SE)
00099 #include <arch/arm/at91sam7se.h>
00100 #elif defined (MCU_AT91SAM9260)
00101 #include <arch/arm/at91sam9260.h>
00102 #elif defined(MCU_AT91SAM9XE)
00103 #include <arch/arm/at91sam9xe.h>
00104 #endif
00105
00106 #if defined(PMC_HAS_MDIV)
00107
00108
00109
00110
00111 #define NUT_HWCLK_PERIPHERAL 1
00112 #endif
00113
00116
00117 #ifdef __GNUC__
00118
00122 #define IRQ_ENTRY() \
00123 asm volatile("sub lr, lr,#4" "\n\t" \
00124 "stmfd sp!,{r0-r12,lr}" "\n\t" \
00125 "mrs r1, spsr" "\n\t" \
00126 "stmfd sp!,{r1}" "\n\t")
00127
00131 #define IRQ_EXIT() \
00132 asm volatile("ldmfd sp!, {r1}" "\n\t" \
00133 "msr spsr_c, r1" "\n\t" \
00134 "ldr r0, =0xFFFFF000" "\n\t" \
00135 "str r0, [r0, #0x130]" "\n\t" \
00136 "ldmfd sp!, {r0-r12, pc}^" "\n\t")
00137
00141 #define FIQ_ENTRY() \
00142 asm volatile("sub lr, lr,#4" "\n\t" \
00143 "stmfd sp!,{r0-r7,lr}" "\n\t" \
00144 "mrs r1, spsr" "\n\t" \
00145 "stmfd sp!,{r1}" "\n\t")
00146
00150 #define FIQ_EXIT() \
00151 asm volatile("ldmfd sp!, {r1}" "\n\t" \
00152 "msr spsr_c, r1" "\n\t" \
00153 "ldr r0, =0xFFFFF000" "\n\t" \
00154 "str r0, [r0, #0x130]" "\n\t" \
00155 "ldmfd sp!, {r0-r7, pc}^" "\n\t")
00156
00157 #else
00158
00159 #define IRQ_ENTRY() \
00160 asm("sub lr, lr,#4\n" \
00161 "stmfd sp!,{r0-r12,lr}\n" \
00162 "mrs r1, spsr\n" \
00163 "stmfd sp!,{r1}\n")
00164
00165 #define IRQ_EXIT() \
00166 asm("ldmfd sp!, {r1}\n" \
00167 "msr spsr_c, r1\n" \
00168 ";ldr r0, =0xFFFFF000\n" \
00169 "str r0, [r0, #0x130]\n" \
00170 "ldmfd sp!, {r0-r12, pc}^")
00171
00172 #define FIQ_ENTRY() \
00173 asm("sub lr, lr,#4\n" \
00174 "stmfd sp!,{r0-r7,lr}\n" \
00175 "mrs r1, spsr\n" \
00176 "stmfd sp!,{r1}\n")
00177
00178 #define FIQ_EXIT() \
00179 asm("ldmfd sp!, {r1}\n" \
00180 "msr spsr_c, r1\n" \
00181 ";ldr r0, =0xFFFFF000\n" \
00182 "str r0, [r0, #0x130]\n" \
00183 "ldmfd sp!, {r0-r7, pc}^")
00184
00185 #endif
00186
00189 #ifndef __ASSEMBLER__
00190 extern void McuInit(void);
00191 #endif
00192
00193 #endif