aa1b377e71
Change license to BSD-2-Clause-Patent using an SPDX-License-Identifier statement. Cc: Liming Gao <liming.gao@intel.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Leif Lindholm <leif@nuviainc.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
45 lines
942 B
ArmAsm
45 lines
942 B
ArmAsm
//
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// Copyright (c) 2016, Linaro Limited
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// All rights reserved.
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// SPDX-License-Identifier: BSD-2-Clause-Patent
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//
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.text
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.thumb
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.syntax unified
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.align 5
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.type ASM_PFX(InternalMemCompareGuid), %function
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ASM_GLOBAL ASM_PFX(InternalMemCompareGuid)
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ASM_PFX(InternalMemCompareGuid):
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push {r4, lr}
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ldr r2, [r0]
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ldr r3, [r0, #4]
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ldr r4, [r0, #8]
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ldr r0, [r0, #12]
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cbz r1, 1f
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ldr ip, [r1]
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ldr lr, [r1, #4]
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cmp r2, ip
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it eq
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cmpeq.n r3, lr
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beq 0f
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movs r0, #0
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pop {r4, pc}
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0: ldr r2, [r1, #8]
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ldr r3, [r1, #12]
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cmp r4, r2
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it eq
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cmpeq.n r0, r3
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bne 2f
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movs r0, #1
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pop {r4, pc}
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1: orrs r2, r2, r3
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orrs r4, r4, r0
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movs r0, #1
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orrs r2, r2, r4
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2: it ne
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movne.n r0, #0
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pop {r4, pc}
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