?? frame.h.svn-base
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#ifndef FRAME_H#define FRAME_H#ifdef __ASSEMBLY__#define CF_SPSR 0#define CF_R0 4#define CF_R1 8#define CF_R2 12#define CF_R3 16#define CF_R4 20#define CF_R5 24#define CF_R6 28#define CF_R7 32#define CF_R8 36#define CF_R9 40#define CF_R10 44#define CF_R11 48#define CF_R12 52#define CF_USR_SP 56#define CF_USR_LR 60#define CF_SVC_SP 64#define CF_SVC_LR 68#define CF_PC 72#define FRAME_SIZE 76#define IRQ_R0 0#define IRQ_SPSR 4#define IRQ_LR 8#define IRQ_SIZE 12#define PUSHFRAMEINSVC \ sub lr, lr, #4; \ sub r13, r13, #IRQ_SIZE; \ str lr, [r13, #IRQ_LR]; \ mrs lr, spsr; \ str lr, [r13, #IRQ_SPSR]; \ str r0, [r13, #IRQ_R0]; \ mov r0, r13; \ add r13, r13, #12; \ mrs r14, cpsr; \ bic r14, r14, #PSR_MODE_MASK; \ orr r14, r14, #PSR_MODE_SVC; \ msr cpsr_cxsf, r14; \ sub sp, sp, #FRAME_SIZE; \ str lr, [sp, #CF_SVC_LR]; \ ldr lr, [r0, #IRQ_LR]; \ str lr, [sp, #CF_PC]; \ ldr r14, [r0, #IRQ_SPSR]; \ str r14, [sp, #CF_SPSR]; \ ldr r0, [r0, #IRQ_R0]; \ add r14, sp, #4; \ stmia r14!, {r0-r12}; \ stmia r14, {r13, r14}^; \ str sp, [sp, #CF_SVC_SP]#define PULLFRAMEANDEXIT \ ldmia sp!, {r0}; \ msr spsr, r0; \ ldmia sp!, {r0-r12}; \ ldmia sp, {r13, r14}^; \ add sp, sp, #(3*4); \ ldmia sp!, {lr, pc}^#else /*!__ASSEMBLY__*/struct contextframe { unsigned int cf_spsr; unsigned int cf_r0; unsigned int cf_r1; unsigned int cf_r2; unsigned int cf_r3; unsigned int cf_r4; unsigned int cf_r5; unsigned int cf_r6; unsigned int cf_r7; unsigned int cf_r8; unsigned int cf_r9; unsigned int cf_r10; unsigned int cf_r11; unsigned int cf_r12; unsigned int cf_usr_sp; unsigned int cf_usr_lr; unsigned int cf_svc_sp; unsigned int cf_svc_lr; unsigned int cf_pc;};#endif /*__ASSEMBLY__*/#endif /*FRAME_H*/?? 快捷鍵說明
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