| /* |
| * 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 |
| |