Switch to unified syntax so these can be built with clang 3.5.
MFC after: 1 week Sponsored by: ABT Systems Ltd
This commit is contained in:
Andrew Turner
parent
4373d2f370
commit
c258e1cc69
@ -38,6 +38,7 @@
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#include <machine/asm.h>
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__FBSDID("$FreeBSD$");
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.syntax unified
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.text
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.align 0
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@ -104,8 +105,8 @@ ENTRY(copyin)
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ldr r0, =EFAULT
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str r11, [r10, #PCB_ONFAULT]
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cmp r3, #0x00
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ldmgtfd sp!, {r4-r7} /* r3 > 0 Restore r4-r7 */
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ldmltfd sp!, {r4-r9} /* r3 < 0 Restore r4-r9 */
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ldmfdgt sp!, {r4-r7} /* r3 > 0 Restore r4-r7 */
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ldmfdlt sp!, {r4-r9} /* r3 < 0 Restore r4-r9 */
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ldmfd sp!, {r10-r11, pc}
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.Lcopyin_guts:
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@ -138,7 +139,7 @@ ENTRY(copyin)
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/* Quad-align the destination buffer */
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tst r1, #0x07 /* Already quad aligned? */
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ldrnet ip, [r0], #0x04
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ldrtne ip, [r0], #0x04
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strne ip, [r1], #0x04
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subne r2, r2, #0x04
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stmfd sp!, {r4-r9} /* Free up some registers */
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@ -207,7 +208,7 @@ ENTRY(copyin)
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.Lcopyin_w_lessthan128:
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adds r2, r2, #0x80 /* Adjust for extra sub */
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ldmeqfd sp!, {r4-r9}
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ldmfdeq sp!, {r4-r9}
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RETeq
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subs r2, r2, #0x20
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blt .Lcopyin_w_lessthan32
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@ -232,7 +233,7 @@ ENTRY(copyin)
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.Lcopyin_w_lessthan32:
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adds r2, r2, #0x20 /* Adjust for extra sub */
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ldmeqfd sp!, {r4-r9}
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ldmfdeq sp!, {r4-r9}
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RETeq /* Return now if done */
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and r4, r2, #0x18
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@ -266,17 +267,17 @@ ENTRY(copyin)
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.Lcopyin_w_less_than8:
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subs r2, r2, #0x04
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ldrget ip, [r0], #0x04
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ldrtge ip, [r0], #0x04
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strge ip, [r1], #0x04
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RETeq /* Return now if done */
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addlt r2, r2, #0x04
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ldrbt ip, [r0], #0x01
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cmp r2, #0x02
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ldrgebt r2, [r0], #0x01
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ldrbtge r2, [r0], #0x01
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strb ip, [r1], #0x01
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ldrgtbt ip, [r0]
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strgeb r2, [r1], #0x01
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strgtb ip, [r1]
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ldrbtgt ip, [r0]
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strbge r2, [r1], #0x01
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strbgt ip, [r1]
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RET
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/*
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@ -331,7 +332,7 @@ ENTRY(copyin)
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bge .Lcopyin_bad1_loop16
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adds r2, r2, #0x10
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ldmeqfd sp!, {r4-r7}
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ldmfdeq sp!, {r4-r7}
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RETeq /* Return now if done */
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subs r2, r2, #0x04
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sublt r0, r0, #0x03
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@ -392,7 +393,7 @@ ENTRY(copyin)
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bge .Lcopyin_bad2_loop16
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adds r2, r2, #0x10
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ldmeqfd sp!, {r4-r7}
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ldmfdeq sp!, {r4-r7}
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RETeq /* Return now if done */
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subs r2, r2, #0x04
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sublt r0, r0, #0x02
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@ -453,7 +454,7 @@ ENTRY(copyin)
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bge .Lcopyin_bad3_loop16
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adds r2, r2, #0x10
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ldmeqfd sp!, {r4-r7}
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ldmfdeq sp!, {r4-r7}
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RETeq /* Return now if done */
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subs r2, r2, #0x04
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sublt r0, r0, #0x01
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@ -546,8 +547,8 @@ ENTRY(copyout)
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ldr r0, =EFAULT
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str r11, [r10, #PCB_ONFAULT]
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cmp r3, #0x00
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ldmgtfd sp!, {r4-r7} /* r3 > 0 Restore r4-r7 */
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ldmltfd sp!, {r4-r9} /* r3 < 0 Restore r4-r9 */
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ldmfdgt sp!, {r4-r7} /* r3 > 0 Restore r4-r7 */
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ldmfdlt sp!, {r4-r9} /* r3 < 0 Restore r4-r9 */
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ldmfd sp!, {r10-r11, pc}
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.Lcopyout_guts:
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@ -582,7 +583,7 @@ ENTRY(copyout)
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tst r0, #0x07 /* Already quad aligned? */
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ldrne ip, [r0], #0x04
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subne r2, r2, #0x04
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strnet ip, [r1], #0x04
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strtne ip, [r1], #0x04
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stmfd sp!, {r4-r9} /* Free up some registers */
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mov r3, #-1 /* Signal restore r4-r9 */
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@ -650,7 +651,7 @@ ENTRY(copyout)
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.Lcopyout_w_lessthan128:
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adds r2, r2, #0x80 /* Adjust for extra sub */
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ldmeqfd sp!, {r4-r9}
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ldmfdeq sp!, {r4-r9}
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RETeq /* Return now if done */
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subs r2, r2, #0x20
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blt .Lcopyout_w_lessthan32
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@ -675,7 +676,7 @@ ENTRY(copyout)
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.Lcopyout_w_lessthan32:
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adds r2, r2, #0x20 /* Adjust for extra sub */
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ldmeqfd sp!, {r4-r9}
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ldmfdeq sp!, {r4-r9}
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RETeq /* Return now if done */
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and r4, r2, #0x18
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@ -710,16 +711,16 @@ ENTRY(copyout)
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.Lcopyout_w_less_than8:
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subs r2, r2, #0x04
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ldrge ip, [r0], #0x04
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strget ip, [r1], #0x04
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strtge ip, [r1], #0x04
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RETeq /* Return now if done */
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addlt r2, r2, #0x04
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ldrb ip, [r0], #0x01
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cmp r2, #0x02
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ldrgeb r2, [r0], #0x01
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ldrbge r2, [r0], #0x01
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strbt ip, [r1], #0x01
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ldrgtb ip, [r0]
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strgebt r2, [r1], #0x01
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strgtbt ip, [r1]
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ldrbgt ip, [r0]
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strbtge r2, [r1], #0x01
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strbtgt ip, [r1]
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RET
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/*
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@ -774,7 +775,7 @@ ENTRY(copyout)
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bge .Lcopyout_bad1_loop16
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adds r2, r2, #0x10
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ldmeqfd sp!, {r4-r7}
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ldmfdeq sp!, {r4-r7}
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RETeq /* Return now if done */
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subs r2, r2, #0x04
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sublt r0, r0, #0x03
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@ -835,7 +836,7 @@ ENTRY(copyout)
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bge .Lcopyout_bad2_loop16
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adds r2, r2, #0x10
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ldmeqfd sp!, {r4-r7}
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ldmfdeq sp!, {r4-r7}
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RETeq /* Return now if done */
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subs r2, r2, #0x04
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sublt r0, r0, #0x02
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@ -896,7 +897,7 @@ ENTRY(copyout)
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bge .Lcopyout_bad3_loop16
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adds r2, r2, #0x10
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ldmeqfd sp!, {r4-r7}
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ldmfdeq sp!, {r4-r7}
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RETeq /* Return now if done */
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subs r2, r2, #0x04
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sublt r0, r0, #0x01
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@ -50,6 +50,8 @@
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__FBSDID("$FreeBSD$");
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.syntax unified
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/*
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* Read bytes from an I/O address into a block of memory
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*
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@ -71,10 +73,10 @@ ENTRY(read_multi_1)
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cmp r12, #2
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ldrb r3, [r0]
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strb r3, [r1], #1
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ldrgeb r3, [r0]
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strgeb r3, [r1], #1
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ldrgtb r3, [r0]
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strgtb r3, [r1], #1
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ldrbge r3, [r0]
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strbge r3, [r1], #1
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ldrbgt r3, [r0]
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strbgt r3, [r1], #1
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subs r2, r2, r12
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blt .Lrm1_l4
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.Lrm1_main:
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@ -91,15 +93,15 @@ ENTRY(read_multi_1)
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bge .Lrm1loop
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.Lrm1_l4:
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adds r2, r2, #4 /* r2 = length again */
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ldmeqdb fp, {fp, sp, pc}
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ldmdbeq fp, {fp, sp, pc}
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RETeq
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cmp r2, #2
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ldrb r3, [r0]
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strb r3, [r1], #1
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ldrgeb r3, [r0]
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strgeb r3, [r1], #1
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ldrgtb r3, [r0]
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strgtb r3, [r1], #1
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ldrbge r3, [r0]
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strbge r3, [r1], #1
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ldrbgt r3, [r0]
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strbgt r3, [r1], #1
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ldmdb fp, {fp, sp, pc}
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END(read_multi_1)
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@ -124,10 +126,10 @@ ENTRY(write_multi_1)
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cmp r12, #2
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ldrb r3, [r1], #1
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strb r3, [r0]
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ldrgeb r3, [r1], #1
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strgeb r3, [r0]
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ldrgtb r3, [r1], #1
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strgtb r3, [r0]
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ldrbge r3, [r1], #1
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strbge r3, [r0]
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ldrbgt r3, [r1], #1
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strbgt r3, [r0]
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subs r2, r2, r12
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blt .Lwm1_l4
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.Lwm1_main:
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@ -144,14 +146,14 @@ ENTRY(write_multi_1)
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bge .Lwm1loop
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.Lwm1_l4:
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adds r2, r2, #4 /* r2 = length again */
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ldmeqdb fp, {fp, sp, pc}
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ldmdbeq fp, {fp, sp, pc}
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cmp r2, #2
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ldrb r3, [r1], #1
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strb r3, [r0]
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ldrgeb r3, [r1], #1
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strgeb r3, [r0]
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ldrgtb r3, [r1], #1
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strgtb r3, [r0]
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ldrbge r3, [r1], #1
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strbge r3, [r0]
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ldrbgt r3, [r1], #1
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strbgt r3, [r0]
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ldmdb fp, {fp, sp, pc}
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END(write_multi_1)
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@ -46,6 +46,7 @@
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#include "assym.s"
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__FBSDID("$FreeBSD$");
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.syntax unified
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/*
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* int in_cksum(struct mbuf *m, int len)
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*
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@ -128,9 +129,9 @@ ASENTRY_NP(L_cksumdata)
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blt .Lcksumdata_endgame
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cmp r7, #0x02
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ldrb r4, [r0], #0x01 /* Fetch 1st byte */
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ldrgeb r5, [r0], #0x01 /* Fetch 2nd byte */
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ldrbge r5, [r0], #0x01 /* Fetch 2nd byte */
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movlt r5, #0x00
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ldrgtb r6, [r0], #0x01 /* Fetch 3rd byte */
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ldrbgt r6, [r0], #0x01 /* Fetch 3rd byte */
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movle r6, #0x00
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/* Combine the three bytes depending on endianness and alignment */
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#ifdef __ARMEB__
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@ -196,7 +197,7 @@ ASENTRY_NP(L_cksumdata)
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adcs r2, r2, r5
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adc r2, r2, #0x00
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subs r1, r1, #0x40
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ldrged r4, [r0], #0x08
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ldrdge r4, [r0], #0x08
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bge .Lcksumdata_bigloop
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adds r2, r2, r6 /* r6/r7 still need summing */
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@ -241,7 +242,7 @@ ASENTRY_NP(L_cksumdata)
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cmp r1, #0x20
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#ifdef _ARM_ARCH_5E
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ldrged r4, [r0], #0x08 /* Avoid stalling pld and result */
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ldrdge r4, [r0], #0x08 /* Avoid stalling pld and result */
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blt .Lcksumdata_less_than_32
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pld [r0, #0x18]
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ldrd r6, [r0], #0x08
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@ -319,9 +320,9 @@ ASENTRY_NP(L_cksumdata)
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.Lcksumdata_endgame:
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ldrb r3, [r0] /* Fetch first byte */
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cmp r1, #0x02
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ldrgeb r4, [r0, #0x01] /* Fetch 2nd and 3rd as necessary */
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ldrbge r4, [r0, #0x01] /* Fetch 2nd and 3rd as necessary */
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movlt r4, #0x00
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ldrgtb r5, [r0, #0x02]
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ldrbgt r5, [r0, #0x02]
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movle r5, #0x00
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/* Combine the three bytes depending on endianness and alignment */
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tst r0, #0x01
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@ -91,6 +91,8 @@ __FBSDID("$FreeBSD$");
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#include "assym.s"
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.syntax unified
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.L_arm_memcpy:
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.word _C_LABEL(_arm_memcpy)
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.L_arm_bzero:
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@ -167,39 +169,39 @@ do_memset:
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.Lmemset_loop128:
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subs r1, r1, #0x80
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#ifdef _ARM_ARCH_5E
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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#else
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmgeia ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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stmiage ip!, {r2-r3}
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#endif
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bgt .Lmemset_loop128
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RETeq /* Zero length so just exit */
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@ -210,15 +212,15 @@ do_memset:
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.Lmemset_loop32:
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subs r1, r1, #0x20
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#ifdef _ARM_ARCH_5E
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strged r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
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strdge r2, [ip], #0x08
|
||||
strdge r2, [ip], #0x08
|
||||
#else
|
||||
stmgeia ip!, {r2-r3}
|
||||
stmgeia ip!, {r2-r3}
|
||||
stmgeia ip!, {r2-r3}
|
||||
stmgeia ip!, {r2-r3}
|
||||
stmiage ip!, {r2-r3}
|
||||
stmiage ip!, {r2-r3}
|
||||
stmiage ip!, {r2-r3}
|
||||
stmiage ip!, {r2-r3}
|
||||
#endif
|
||||
bgt .Lmemset_loop32
|
||||
RETeq /* Zero length so just exit */
|
||||
@ -227,11 +229,11 @@ do_memset:
|
||||
|
||||
/* Deal with 16 bytes or more */
|
||||
#ifdef _ARM_ARCH_5E
|
||||
strged r2, [ip], #0x08
|
||||
strged r2, [ip], #0x08
|
||||
strdge r2, [ip], #0x08
|
||||
strdge r2, [ip], #0x08
|
||||
#else
|
||||
stmgeia ip!, {r2-r3}
|
||||
stmgeia ip!, {r2-r3}
|
||||
stmiage ip!, {r2-r3}
|
||||
stmiage ip!, {r2-r3}
|
||||
#endif
|
||||
RETeq /* Zero length so just exit */
|
||||
|
||||
@ -254,17 +256,17 @@ do_memset:
|
||||
#endif
|
||||
|
||||
strb r3, [ip], #0x01 /* Set 1 byte */
|
||||
strgeb r3, [ip], #0x01 /* Set another byte */
|
||||
strgtb r3, [ip] /* and a third */
|
||||
strbge r3, [ip], #0x01 /* Set another byte */
|
||||
strbgt r3, [ip] /* and a third */
|
||||
RET /* Exit */
|
||||
|
||||
.Lmemset_wordunaligned:
|
||||
rsb r2, r2, #0x004
|
||||
strb r3, [ip], #0x01 /* Set 1 byte */
|
||||
cmp r2, #0x02
|
||||
strgeb r3, [ip], #0x01 /* Set another byte */
|
||||
strbge r3, [ip], #0x01 /* Set another byte */
|
||||
sub r1, r1, r2
|
||||
strgtb r3, [ip], #0x01 /* and a third */
|
||||
strbgt r3, [ip], #0x01 /* and a third */
|
||||
cmp r1, #0x04 /* More than 4 bytes left? */
|
||||
bge .Lmemset_wordaligned /* Yup */
|
||||
|
||||
@ -273,10 +275,11 @@ do_memset:
|
||||
RETeq /* Zero length so exit */
|
||||
strb r3, [ip], #0x01 /* Set 1 byte */
|
||||
cmp r1, #0x02
|
||||
strgeb r3, [ip], #0x01 /* Set another byte */
|
||||
strgtb r3, [ip] /* and a third */
|
||||
strbge r3, [ip], #0x01 /* Set another byte */
|
||||
strbgt r3, [ip] /* and a third */
|
||||
RET /* Exit */
|
||||
END(memset)
|
||||
EEND(memset)
|
||||
END(bzero)
|
||||
|
||||
ENTRY(bcmp)
|
||||
mov ip, r0
|
||||
@ -286,7 +289,7 @@ ENTRY(bcmp)
|
||||
|
||||
/* Are both addresses aligned the same way? */
|
||||
cmp r2, #0x00
|
||||
eornes r3, ip, r1
|
||||
eorsne r3, ip, r1
|
||||
RETeq /* len == 0, or same addresses! */
|
||||
tst r3, #0x03
|
||||
subne r2, r2, #0x01
|
||||
@ -366,23 +369,23 @@ ENTRY(bcmp)
|
||||
ldrb r0, [ip, #0x00] /* r0 = b1#0 */
|
||||
ldrb r2, [r1, #0x01] /* r2 = b2#1 */
|
||||
subs r0, r0, r3 /* r0 = b1#0 - b2#0 */
|
||||
ldreqb r3, [ip, #0x01] /* r3 = b1#1 */
|
||||
ldrbeq r3, [ip, #0x01] /* r3 = b1#1 */
|
||||
RETne /* Return if mismatch on #0 */
|
||||
subs r0, r3, r2 /* r0 = b1#1 - b2#1 */
|
||||
ldreqb r3, [r1, #0x02] /* r3 = b2#2 */
|
||||
ldreqb r0, [ip, #0x02] /* r0 = b1#2 */
|
||||
ldrbeq r3, [r1, #0x02] /* r3 = b2#2 */
|
||||
ldrbeq r0, [ip, #0x02] /* r0 = b1#2 */
|
||||
RETne /* Return if mismatch on #1 */
|
||||
ldrb r2, [r1, #0x03] /* r2 = b2#3 */
|
||||
subs r0, r0, r3 /* r0 = b1#2 - b2#2 */
|
||||
ldreqb r3, [ip, #0x03] /* r3 = b1#3 */
|
||||
ldrbeq r3, [ip, #0x03] /* r3 = b1#3 */
|
||||
RETne /* Return if mismatch on #2 */
|
||||
subs r0, r3, r2 /* r0 = b1#3 - b2#3 */
|
||||
ldreqb r3, [r1, #0x04] /* r3 = b2#4 */
|
||||
ldreqb r0, [ip, #0x04] /* r0 = b1#4 */
|
||||
ldrbeq r3, [r1, #0x04] /* r3 = b2#4 */
|
||||
ldrbeq r0, [ip, #0x04] /* r0 = b1#4 */
|
||||
RETne /* Return if mismatch on #3 */
|
||||
ldrb r2, [r1, #0x05] /* r2 = b2#5 */
|
||||
subs r0, r0, r3 /* r0 = b1#4 - b2#4 */
|
||||
ldreqb r3, [ip, #0x05] /* r3 = b1#5 */
|
||||
ldrbeq r3, [ip, #0x05] /* r3 = b1#5 */
|
||||
RETne /* Return if mismatch on #4 */
|
||||
sub r0, r3, r2 /* r0 = b1#5 - b2#5 */
|
||||
RET
|
||||
@ -436,8 +439,8 @@ EENTRY(memmove)
|
||||
bge .Lmemmove_floop32
|
||||
|
||||
cmn r2, #0x10
|
||||
ldmgeia r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
||||
stmgeia r0!, {r3, r4, r12, lr}
|
||||
ldmiage r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
||||
stmiage r0!, {r3, r4, r12, lr}
|
||||
subge r2, r2, #0x10
|
||||
ldmia sp!, {r4} /* return r4 */
|
||||
|
||||
@ -446,9 +449,9 @@ EENTRY(memmove)
|
||||
|
||||
/* blat 12 bytes at a time */
|
||||
.Lmemmove_floop12:
|
||||
ldmgeia r1!, {r3, r12, lr}
|
||||
stmgeia r0!, {r3, r12, lr}
|
||||
subges r2, r2, #0x0c
|
||||
ldmiage r1!, {r3, r12, lr}
|
||||
stmiage r0!, {r3, r12, lr}
|
||||
subsge r2, r2, #0x0c
|
||||
bge .Lmemmove_floop12
|
||||
|
||||
.Lmemmove_fl12:
|
||||
@ -458,23 +461,23 @@ EENTRY(memmove)
|
||||
subs r2, r2, #4
|
||||
ldrlt r3, [r1], #4
|
||||
strlt r3, [r0], #4
|
||||
ldmgeia r1!, {r3, r12}
|
||||
stmgeia r0!, {r3, r12}
|
||||
ldmiage r1!, {r3, r12}
|
||||
stmiage r0!, {r3, r12}
|
||||
subge r2, r2, #4
|
||||
|
||||
.Lmemmove_fl4:
|
||||
/* less than 4 bytes to go */
|
||||
adds r2, r2, #4
|
||||
ldmeqia sp!, {r0, pc} /* done */
|
||||
ldmiaeq sp!, {r0, pc} /* done */
|
||||
|
||||
/* copy the crud byte at a time */
|
||||
cmp r2, #2
|
||||
ldrb r3, [r1], #1
|
||||
strb r3, [r0], #1
|
||||
ldrgeb r3, [r1], #1
|
||||
strgeb r3, [r0], #1
|
||||
ldrgtb r3, [r1], #1
|
||||
strgtb r3, [r0], #1
|
||||
ldrbge r3, [r1], #1
|
||||
strbge r3, [r0], #1
|
||||
ldrbgt r3, [r1], #1
|
||||
strbgt r3, [r0], #1
|
||||
ldmia sp!, {r0, pc}
|
||||
|
||||
/* erg - unaligned destination */
|
||||
@ -485,10 +488,10 @@ EENTRY(memmove)
|
||||
/* align destination with byte copies */
|
||||
ldrb r3, [r1], #1
|
||||
strb r3, [r0], #1
|
||||
ldrgeb r3, [r1], #1
|
||||
strgeb r3, [r0], #1
|
||||
ldrgtb r3, [r1], #1
|
||||
strgtb r3, [r0], #1
|
||||
ldrbge r3, [r1], #1
|
||||
strbge r3, [r0], #1
|
||||
ldrbgt r3, [r1], #1
|
||||
strbgt r3, [r0], #1
|
||||
subs r2, r2, r12
|
||||
blt .Lmemmove_fl4 /* less the 4 bytes */
|
||||
|
||||
@ -703,12 +706,12 @@ EENTRY(memmove)
|
||||
|
||||
.Lmemmove_bl32:
|
||||
cmn r2, #0x10
|
||||
ldmgedb r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
||||
stmgedb r0!, {r3, r4, r12, lr}
|
||||
ldmdbge r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
||||
stmdbge r0!, {r3, r4, r12, lr}
|
||||
subge r2, r2, #0x10
|
||||
adds r2, r2, #0x14
|
||||
ldmgedb r1!, {r3, r12, lr} /* blat a remaining 12 bytes */
|
||||
stmgedb r0!, {r3, r12, lr}
|
||||
ldmdbge r1!, {r3, r12, lr} /* blat a remaining 12 bytes */
|
||||
stmdbge r0!, {r3, r12, lr}
|
||||
subge r2, r2, #0x0c
|
||||
ldmia sp!, {r4, lr}
|
||||
|
||||
@ -718,8 +721,8 @@ EENTRY(memmove)
|
||||
subs r2, r2, #4
|
||||
ldrlt r3, [r1, #-4]!
|
||||
strlt r3, [r0, #-4]!
|
||||
ldmgedb r1!, {r3, r12}
|
||||
stmgedb r0!, {r3, r12}
|
||||
ldmdbge r1!, {r3, r12}
|
||||
stmdbge r0!, {r3, r12}
|
||||
subge r2, r2, #4
|
||||
|
||||
.Lmemmove_bl4:
|
||||
@ -731,10 +734,10 @@ EENTRY(memmove)
|
||||
cmp r2, #2
|
||||
ldrb r3, [r1, #-1]!
|
||||
strb r3, [r0, #-1]!
|
||||
ldrgeb r3, [r1, #-1]!
|
||||
strgeb r3, [r0, #-1]!
|
||||
ldrgtb r3, [r1, #-1]!
|
||||
strgtb r3, [r0, #-1]!
|
||||
ldrbge r3, [r1, #-1]!
|
||||
strbge r3, [r0, #-1]!
|
||||
ldrbgt r3, [r1, #-1]!
|
||||
strbgt r3, [r0, #-1]!
|
||||
RET
|
||||
|
||||
/* erg - unaligned destination */
|
||||
@ -744,10 +747,10 @@ EENTRY(memmove)
|
||||
/* align destination with byte copies */
|
||||
ldrb r3, [r1, #-1]!
|
||||
strb r3, [r0, #-1]!
|
||||
ldrgeb r3, [r1, #-1]!
|
||||
strgeb r3, [r0, #-1]!
|
||||
ldrgtb r3, [r1, #-1]!
|
||||
strgtb r3, [r0, #-1]!
|
||||
ldrbge r3, [r1, #-1]!
|
||||
strbge r3, [r0, #-1]!
|
||||
ldrbgt r3, [r1, #-1]!
|
||||
strbgt r3, [r0, #-1]!
|
||||
subs r2, r2, r12
|
||||
blt .Lmemmove_bl4 /* less than 4 bytes to go */
|
||||
ands r12, r1, #3
|
||||
@ -994,8 +997,8 @@ ENTRY(memcpy)
|
||||
bge .Lmemcpy_loop32
|
||||
|
||||
cmn r2, #0x10
|
||||
ldmgeia r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
||||
stmgeia r0!, {r3, r4, r12, lr}
|
||||
ldmiage r1!, {r3, r4, r12, lr} /* blat a remaining 16 bytes */
|
||||
stmiage r0!, {r3, r4, r12, lr}
|
||||
subge r2, r2, #0x10
|
||||
ldmia sp!, {r4} /* return r4 */
|
||||
|
||||
@ -1004,9 +1007,9 @@ ENTRY(memcpy)
|
||||
|
||||
/* blat 12 bytes at a time */
|
||||
.Lmemcpy_loop12:
|
||||
ldmgeia r1!, {r3, r12, lr}
|
||||
stmgeia r0!, {r3, r12, lr}
|
||||
subges r2, r2, #0x0c
|
||||
ldmiage r1!, {r3, r12, lr}
|
||||
stmiage r0!, {r3, r12, lr}
|
||||
subsge r2, r2, #0x0c
|
||||
bge .Lmemcpy_loop12
|
||||
|
||||
.Lmemcpy_l12:
|
||||
@ -1016,26 +1019,26 @@ ENTRY(memcpy)
|
||||
subs r2, r2, #4
|
||||
ldrlt r3, [r1], #4
|
||||
strlt r3, [r0], #4
|
||||
ldmgeia r1!, {r3, r12}
|
||||
stmgeia r0!, {r3, r12}
|
||||
ldmiage r1!, {r3, r12}
|
||||
stmiage r0!, {r3, r12}
|
||||
subge r2, r2, #4
|
||||
|
||||
.Lmemcpy_l4:
|
||||
/* less than 4 bytes to go */
|
||||
adds r2, r2, #4
|
||||
#ifdef __APCS_26_
|
||||
ldmeqia sp!, {r0, pc}^ /* done */
|
||||
ldmiaeq sp!, {r0, pc}^ /* done */
|
||||
#else
|
||||
ldmeqia sp!, {r0, pc} /* done */
|
||||
ldmiaeq sp!, {r0, pc} /* done */
|
||||
#endif
|
||||
/* copy the crud byte at a time */
|
||||
cmp r2, #2
|
||||
ldrb r3, [r1], #1
|
||||
strb r3, [r0], #1
|
||||
ldrgeb r3, [r1], #1
|
||||
strgeb r3, [r0], #1
|
||||
ldrgtb r3, [r1], #1
|
||||
strgtb r3, [r0], #1
|
||||
ldrbge r3, [r1], #1
|
||||
strbge r3, [r0], #1
|
||||
ldrbgt r3, [r1], #1
|
||||
strbgt r3, [r0], #1
|
||||
ldmia sp!, {r0, pc}
|
||||
|
||||
/* erg - unaligned destination */
|
||||
@ -1046,10 +1049,10 @@ ENTRY(memcpy)
|
||||
/* align destination with byte copies */
|
||||
ldrb r3, [r1], #1
|
||||
strb r3, [r0], #1
|
||||
ldrgeb r3, [r1], #1
|
||||
strgeb r3, [r0], #1
|
||||
ldrgtb r3, [r1], #1
|
||||
strgtb r3, [r0], #1
|
||||
ldrbge r3, [r1], #1
|
||||
strbge r3, [r0], #1
|
||||
ldrbgt r3, [r1], #1
|
||||
strbgt r3, [r0], #1
|
||||
subs r2, r2, r12
|
||||
blt .Lmemcpy_l4 /* less the 4 bytes */
|
||||
|
||||
@ -1212,12 +1215,12 @@ ENTRY(memcpy)
|
||||
ldrb ip, [r1], #0x01
|
||||
sub r2, r2, #0x01
|
||||
strb ip, [r3], #0x01
|
||||
ldrleb ip, [r1], #0x01
|
||||
ldrble ip, [r1], #0x01
|
||||
suble r2, r2, #0x01
|
||||
strleb ip, [r3], #0x01
|
||||
ldrltb ip, [r1], #0x01
|
||||
strble ip, [r3], #0x01
|
||||
ldrblt ip, [r1], #0x01
|
||||
sublt r2, r2, #0x01
|
||||
strltb ip, [r3], #0x01
|
||||
strblt ip, [r3], #0x01
|
||||
|
||||
/* Destination buffer is now word aligned */
|
||||
.Lmemcpy_wordaligned:
|
||||
@ -1294,7 +1297,7 @@ ENTRY(memcpy)
|
||||
|
||||
.Lmemcpy_w_lessthan128:
|
||||
adds r2, r2, #0x80 /* Adjust for extra sub */
|
||||
ldmeqfd sp!, {r4-r9}
|
||||
ldmfdeq sp!, {r4-r9}
|
||||
RETeq /* Return now if done */
|
||||
subs r2, r2, #0x20
|
||||
blt .Lmemcpy_w_lessthan32
|
||||
@ -1319,7 +1322,7 @@ ENTRY(memcpy)
|
||||
|
||||
.Lmemcpy_w_lessthan32:
|
||||
adds r2, r2, #0x20 /* Adjust for extra sub */
|
||||
ldmeqfd sp!, {r4-r9}
|
||||
ldmfdeq sp!, {r4-r9}
|
||||
RETeq /* Return now if done */
|
||||
|
||||
and r4, r2, #0x18
|
||||
@ -1355,11 +1358,11 @@ ENTRY(memcpy)
|
||||
addlt r2, r2, #0x04
|
||||
ldrb ip, [r1], #0x01
|
||||
cmp r2, #0x02
|
||||
ldrgeb r2, [r1], #0x01
|
||||
ldrbge r2, [r1], #0x01
|
||||
strb ip, [r3], #0x01
|
||||
ldrgtb ip, [r1]
|
||||
strgeb r2, [r3], #0x01
|
||||
strgtb ip, [r3]
|
||||
ldrbgt ip, [r1]
|
||||
strbge r2, [r3], #0x01
|
||||
strbgt ip, [r3]
|
||||
RET
|
||||
|
||||
|
||||
@ -1413,7 +1416,7 @@ ENTRY(memcpy)
|
||||
bge .Lmemcpy_bad1_loop16
|
||||
|
||||
adds r2, r2, #0x10
|
||||
ldmeqfd sp!, {r4-r7}
|
||||
ldmfdeq sp!, {r4-r7}
|
||||
RETeq /* Return now if done */
|
||||
subs r2, r2, #0x04
|
||||
sublt r1, r1, #0x03
|
||||
@ -1474,7 +1477,7 @@ ENTRY(memcpy)
|
||||
bge .Lmemcpy_bad2_loop16
|
||||
|
||||
adds r2, r2, #0x10
|
||||
ldmeqfd sp!, {r4-r7}
|
||||
ldmfdeq sp!, {r4-r7}
|
||||
RETeq /* Return now if done */
|
||||
subs r2, r2, #0x04
|
||||
sublt r1, r1, #0x02
|
||||
@ -1535,7 +1538,7 @@ ENTRY(memcpy)
|
||||
bge .Lmemcpy_bad3_loop16
|
||||
|
||||
adds r2, r2, #0x10
|
||||
ldmeqfd sp!, {r4-r7}
|
||||
ldmfdeq sp!, {r4-r7}
|
||||
RETeq /* Return now if done */
|
||||
subs r2, r2, #0x04
|
||||
sublt r1, r1, #0x01
|
||||
@ -1564,11 +1567,11 @@ ENTRY(memcpy)
|
||||
RETeq
|
||||
ldrb ip, [r1], #0x01
|
||||
cmp r2, #0x02
|
||||
ldrgeb r2, [r1], #0x01
|
||||
ldrbge r2, [r1], #0x01
|
||||
strb ip, [r3], #0x01
|
||||
ldrgtb ip, [r1]
|
||||
strgeb r2, [r3], #0x01
|
||||
strgtb ip, [r3]
|
||||
ldrbgt ip, [r1]
|
||||
strbge r2, [r3], #0x01
|
||||
strbgt ip, [r3]
|
||||
RET
|
||||
|
||||
|
||||
@ -1598,7 +1601,7 @@ ENTRY(memcpy)
|
||||
ldrb ip, [r1], #0x01
|
||||
1: subs r2, r2, #0x01
|
||||
strb ip, [r3], #0x01
|
||||
ldrneb ip, [r1], #0x01
|
||||
ldrbne ip, [r1], #0x01
|
||||
bne 1b
|
||||
RET
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user