arm/mm/abort-lv4t.S

23 	bic	r1, r1, #1 << 11 | 1 << 10	@ clear bits 11 and 10 of FSR
31 	tst	r8, #1 << 20			@ L = 1 -> write?
32 	orreq	r1, r1, #1 << 11		@ yes.
37 /* 0 */	b	.data_arm_lateldrhpost		@ ldrh	rd, [rn], #m/rm
38 /* 1 */	b	.data_arm_lateldrhpre		@ ldrh	rd, [rn, #m/rm]
39 /* 2 */	b	.data_unknown
40 /* 3 */	b	.data_unknown
41 /* 4 */	b	.data_arm_lateldrpostconst	@ ldr	rd, [rn], #m
42 /* 5 */	b	.data_arm_lateldrpreconst	@ ldr	rd, [rn, #m]
43 /* 6 */	b	.data_arm_lateldrpostreg	@ ldr	rd, [rn], rm
44 /* 7 */	b	.data_arm_lateldrprereg		@ ldr	rd, [rn, rm]
45 /* 8 */	b	.data_arm_ldmstm		@ ldm*a	rn, <rlist>
46 /* 9 */	b	.data_arm_ldmstm		@ ldm*b	rn, <rlist>
47 /* a */	b	.data_unknown
48 /* b */	b	.data_unknown
49 /* c */	b	do_DataAbort			@ ldc	rd, [rn], #m	@ Same as ldr	rd, [rn], #m
50 /* d */	b	do_DataAbort			@ ldc	rd, [rn, #m]
51 /* e */	b	.data_unknown
52 /* f */	b	.data_unknown
59 	b	baddataabort
62 	tst	r8, #1 << 21			@ check writeback bit
68 	and	r9, r8, r7, lsl #1
69 	add	r6, r6, r9, lsr #1
79 	tst	r8, #1 << 23			@ Check U bit
84 	b	do_DataAbort
87 	tst	r8, #1 << 21			@ Check writeback bit
92 	tst	r8, #1 << 22			@ if (immediate offset)
99 	tst	r8, #1 << 23			@ Check U bit
104 	b	do_DataAbort
107 	tst	r8, #1 << 21			@ check writeback bit
115 	tst	r8, #1 << 23			@ Check U bit
120 	b	do_DataAbort
123 	tst	r8, #1 << 21			@ check writeback bit
137 	b	.data_arm_apply_r6_and_rn
138 	b	.data_arm_apply_r6_and_rn	@ 1: LSL #0
140 	b	.data_unknown_r9		@ 2: MUL?
142 	b	.data_unknown_r9		@ 3: MUL?
145 	b	.data_arm_apply_r6_and_rn
147 	b	.data_arm_apply_r6_and_rn
148 	b	.data_unknown_r9		@ 6: MUL?
150 	b	.data_unknown_r9		@ 7: MUL?
153 	b	.data_arm_apply_r6_and_rn
155 	b	.data_arm_apply_r6_and_rn
156 	b	.data_unknown_r9		@ A: MUL?
158 	b	.data_unknown_r9		@ B: MUL?
161 	b	.data_arm_apply_r6_and_rn
163 	b	.data_arm_apply_r6_and_rn
164 	b	.data_unknown_r9		@ E: MUL?
166 	b	.data_unknown_r9		@ F: MUL?
171 	tst	r8, #1 << 11			@ L = 1 -> write?
172 	orreq	r1, r1, #1 << 8			@ yes
177 /* 0 */	b	.data_unknown
178 /* 1 */	b	.data_unknown
179 /* 2 */	b	.data_unknown
180 /* 3 */	b	.data_unknown
181 /* 4 */	b	.data_unknown
182 /* 5 */	b	.data_thumb_reg
183 /* 6 */	b	do_DataAbort
184 /* 7 */	b	do_DataAbort
185 /* 8 */	b	do_DataAbort
186 /* 9 */	b	do_DataAbort
187 /* A */	b	.data_unknown
188 /* B */	b	.data_thumb_pushpop
189 /* C */	b	.data_thumb_ldmstm
190 /* D */	b	.data_unknown
191 /* E */	b	.data_unknown
192 /* F */	b	.data_unknown
195 	tst	r8, #1 << 9
197 	tst	r8, #1 << 10			@ If 'S' (signed) bit is set
199 	b	do_DataAbort
202 	tst	r8, #1 << 10
207 	add	r6, r6, r9, lsr #1
215 	tst	r8, #1 << 11
220 	b	do_DataAbort
226 	add	r6, r6, r9, lsr #1
237 	b	do_DataAbort