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1 | //\r |
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2 | // Copyright (c) 2012-2013, ARM Limited. All rights reserved.\r |
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3 | //\r |
4 | // This program and the accompanying materials\r |
5 | // are licensed and made available under the terms and conditions of the BSD License\r |
6 | // which accompanies this distribution. The full text of the license may be found at\r |
7 | // http://opensource.org/licenses/bsd-license.php\r |
8 | //\r |
9 | // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
10 | // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
11 | //\r |
12 | //\r |
13 | \r |
14 | #include <AsmMacroIoLib.h>\r |
15 | #include <Library/ArmLib.h>\r |
16 | \r |
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17 | .text\r |
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18 | .align 2\r |
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19 | \r |
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20 | GCC_ASM_EXPORT(ArmPlatformPeiBootAction)\r |
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21 | GCC_ASM_EXPORT(ArmPlatformGetCorePosition)\r |
22 | GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)\r |
23 | \r |
24 | GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)\r |
25 | GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)\r |
26 | \r |
27 | //UINTN\r |
28 | //ArmPlatformGetCorePosition (\r |
29 | // IN UINTN MpId\r |
30 | // );\r |
31 | ASM_PFX(ArmPlatformGetCorePosition):\r |
32 | and r1, r0, #ARM_CORE_MASK\r |
33 | and r0, r0, #ARM_CLUSTER_MASK\r |
34 | add r0, r1, r0, LSR #7\r |
35 | bx lr\r |
36 | \r |
37 | //UINTN\r |
38 | //ArmPlatformIsPrimaryCore (\r |
39 | // IN UINTN MpId\r |
40 | // );\r |
41 | ASM_PFX(ArmPlatformIsPrimaryCore):\r |
42 | LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r1)\r |
43 | ldr r1, [r1]\r |
44 | and r0, r0, r1\r |
45 | LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r1)\r |
46 | ldr r1, [r1]\r |
47 | cmp r0, r1\r |
48 | moveq r0, #1\r |
49 | movne r0, #0\r |
50 | bx lr\r |
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51 | \r |
52 | ASM_PFX(ArmPlatformPeiBootAction):\r |
53 | bx lr\r |