mirror of https://github.com/acidanthera/audk.git
77 lines
1.7 KiB
ArmAsm
77 lines
1.7 KiB
ArmAsm
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//
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// Copyright (c) 2012, ARM Limited. All rights reserved.
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//
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// This program and the accompanying materials
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// are licensed and made available under the terms and conditions of the BSD License
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// which accompanies this distribution. The full text of the license may be found at
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// http://opensource.org/licenses/bsd-license.php
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//
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// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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//
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//
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.text
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.align 3
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.arch_extension sec
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GCC_ASM_EXPORT(ArmCallSmc)
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GCC_ASM_EXPORT(ArmCallSmcArg1)
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GCC_ASM_EXPORT(ArmCallSmcArg2)
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GCC_ASM_EXPORT(ArmCallSmcArg3)
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ASM_PFX(ArmCallSmc):
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push {r1}
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mov r1, r0
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ldr r0,[r1]
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smc #0
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str r0,[r1]
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pop {r1}
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blx lr
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// Arg1 in R1
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ASM_PFX(ArmCallSmcArg1):
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push {r2-r3}
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mov r2, r0
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mov r3, r1
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ldr r0,[r2]
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ldr r1,[r3]
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smc #0
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str r0,[r2]
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str r1,[r3]
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pop {r2-r3}
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blx lr
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ASM_PFX(ArmCallSmcArg2):
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push {r3-r5}
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mov r3, r0
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mov r4, r1
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mov r5, r2
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ldr r0,[r3]
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ldr r1,[r4]
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ldr r2,[r5]
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smc #0
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str r0,[r3]
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str r1,[r4]
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str r2,[r5]
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pop {r3-r5}
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blx lr
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ASM_PFX(ArmCallSmcArg3):
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push {r4-r7}
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mov r4, r0
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mov r5, r1
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mov r6, r2
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mov r7, r3
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ldr r0,[r4]
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ldr r1,[r5]
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ldr r2,[r6]
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ldr r3,[r7]
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smc #0
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str r0,[r4]
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str r1,[r5]
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str r2,[r6]
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str r3,[r7]
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pop {r4-r7}
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blx lr
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