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/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.text
.align 0
.global asm_test_jacket
// Set the register and flag values
// Calls the asm function
// Reads the register/flag values to output register
// Parameters
// X0 - Function to jump
// X1 - register values array
// X2 - flag values array
asm_test_jacket:
// Save registers to stack
stp x29, x30, [sp,#-16]!
stp x27, x28, [sp,#-16]!
mov x30, x0
mov x28, x1
mov x27, x2
//Set the flags based on flag array
//EQ
ldr w0, [x27,#0]
cmp w0, #1
b.ne bt_aeq
cmp w0,#1
b bt_end
bt_aeq:
//NE
ldr w0, [x27,#4]
cmp w0, #1
b.ne bt_ane
cmp w0,#2
b bt_end
bt_ane:
//CS
ldr w0, [x27,#8]
cmp w0, #1
b.ne bt_acs
cmp w0,#0
b bt_end
bt_acs:
//CC
ldr w0, [x27,#12]
cmp w0, #1
b.ne bt_acc
cmp w0,#2
b bt_end
bt_acc:
//MI
ldr w0, [x27,#16]
cmp w0, #1
b.ne bt_ami
subs w0,w0,#2
b bt_end
bt_ami:
//PL
ldr w0, [x27,#20]
cmp w0, #1
b.ne bt_apl
subs w0,w0,#0
b bt_end
bt_apl:
//HI - (C==1) && (Z==0)
ldr w0, [x27,#32]
cmp w0, #1
b.ne bt_ahi
cmp w0,#0
b bt_end
bt_ahi:
//LS - (C==0) || (Z==1)
ldr w0, [x27,#36]
cmp w0, #1
b.ne bt_als
cmp w0,#1
b bt_end
bt_als:
//GE
ldr w0, [x27,#40]
cmp w0, #1
b.ne bt_age
cmp w0,#0
b bt_end
bt_age:
//LT
ldr w0, [x27,#44]
cmp w0, #1
b.ne bt_alt
cmp w0,#2
b bt_end
bt_alt:
//GT
ldr w0, [x27,#48]
cmp w0, #1
b.ne bt_agt
cmp w0,#0
b bt_end
bt_agt:
//LE
ldr w0, [x27,#52]
cmp w0, #1
b.ne bt_ale
cmp w0,#2
b bt_end
bt_ale:
bt_end:
// Load the registers from reg array
ldr x0, [x28,#0]
ldr x1, [x28,#8]
ldr x2, [x28,#16]
ldr x3, [x28,#24]
ldr x4, [x28,#32]
ldr x5, [x28,#40]
ldr x6, [x28,#48]
ldr x7, [x28,#56]
ldr x8, [x28,#64]
ldr x9, [x28,#72]
ldr x10, [x28,#80]
ldr x11, [x28,#88]
ldr x12, [x28,#96]
ldr x14, [x28,#112]
// Call the function
blr X30
// Save the registers to reg array
str x0, [x28,#0]
str x1, [x28,#8]
str x2, [x28,#16]
str x3, [x28,#24]
str x4, [x28,#32]
str x5, [x28,#40]
str x6, [x28,#48]
str x7, [x28,#56]
str x8, [x28,#64]
str x9, [x28,#72]
str x10, [x28,#80]
str x11, [x28,#88]
str x12, [x28,#96]
str x14, [x28,#112]
//Set the flags array based on result flags
movz w0, #0
movz w1, #1
csel w2, w1, w0, EQ
str w2, [x27,#0]
csel w2, w1, w0, NE
str w2, [x27,#4]
csel w2, w1, w0, CS
str w2, [x27,#8]
csel w2, w1, w0, CC
str w2, [x27,#12]
csel w2, w1, w0, MI
str w2, [x27,#16]
csel w2, w1, w0, PL
str w2, [x27,#20]
csel w2, w1, w0, VS
str w2, [x27,#24]
csel w2, w1, w0, VC
str w2, [x27,#28]
csel w2, w1, w0, HI
str w2, [x27,#32]
csel w2, w1, w0, LS
str w2, [x27,#36]
csel w2, w1, w0, GE
str w2, [x27,#40]
csel w2, w1, w0, LT
str w2, [x27,#44]
csel w2, w1, w0, GT
str w2, [x27,#48]
csel w2, w1, w0, LE
str w2, [x27,#52]
// Restore registers from stack
ldp x27, x28, [sp],#16
ldp x29, x30, [sp],#16
ret