arch/arm/arch_exceptions.S

24 	stmdb	sp, {r0-r3}					/* Save 4 registers */
26 	mov		r1, sp						/* Save xxx32 sp */
32 	mov		r2, sp						/* Save SVC sp */
33 	str		r0, [sp, #-4]!				/* Push return address */
34 	str		lr, [sp, #-4]!				/* Push SVC lr */
35 	str		r2, [sp, #-4]!				/* Push SVC sp */
38 	sub		sp, sp, #(4*15)				/* Adjust the stack pointer */
39 	stmia	sp, {r0-r12}				/* Push the user mode registers */
40 	add		r0, sp, #(4*13)				/* Adjust the stack pointer */
44 	str		r0, [sp, #-4]!				/* Save spsr */
48 	ldr		r0, [sp], #0x0004			/* Get the SPSR from stack */
50 	ldmia	sp, {r0-r14}^				/* Restore registers (usr mode) */
52 	add		sp, sp, #(4*15)				/* Adjust the stack pointer */
53 	ldmia	sp, {sp, lr, pc}^			/* Restore lr and exit */
59 	str		lr, [sp, #-4]!				/* Push the return address */
60 	sub		sp, sp, #(4*17)				/* Adjust the stack pointer */
61 	stmia	sp, {r0-r12}				/* Store the general purpose registers */
62 	add		r0, sp, #(4*13)				/* Adjust the stack pointer */
63 	stmia	r0, {r13-r14}^				/* Store the user mode sp and lr registers */
65 	str		r0, [sp, #-4]!
66 	mov		r0, #0						/* Fill in svc mode sp and lr with zeroes */
67 	str		r0, [sp, #(4*16)]
68 	str		r0, [sp, #(4*17)]
72 	ldr		r0, [sp], #4				/* Get SPSR from stack */
74 	ldmia	sp, {r0-r14}^				/* Restore user mode registers */
75 	add		sp, sp, #(4*17)				/* Adjust the stack pointer */
76 	ldr		lr, [sp], #4				/* Pull the return address */
161 	mov		r0, sp		/* iframe */
173 	mov		r0, sp		/* iframe */
190 	mov		r0, sp		/* iframe */
207 	mov		r0, sp		/* iframe */
225 	mov		r0, sp		/* iframe */
238 	mov		r0, sp		/* iframe */
252 	/* move into modes and set initial sp */
257 	ldr sp, [r2]
263 	ldr sp, [r2]
269 	ldr sp, [r2]
275 	ldr sp, [r2]