projects / mirror_edk2.git / blame
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|---|---|---|
| 6f5872b1 MC |
1 | //\r |
| 2 | // Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r | |
| 3 | // Copyright (c) 2014, Linaro Limited. All rights reserved.\r | |
| 4 | //\r | |
| 5 | // This program and the accompanying materials\r | |
| 6 | // are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | // which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | // http://opensource.org/licenses/bsd-license.php\r | |
| 9 | //\r | |
| 10 | // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | //\r | |
| a36d531f MC |
13 | \r |
| 14 | #include <AsmMacroIoLib.h>\r | |
| 15 | #include <Base.h>\r | |
| 16 | #include <Library/ArmLib.h>\r | |
| 17 | #include <Library/PcdLib.h>\r | |
| 18 | #include <AutoGen.h>\r | |
| 19 | \r | |
| 20 | INCLUDE AsmMacroIoLib.inc\r | |
| 21 | \r | |
| 22 | EXPORT ArmPlatformPeiBootAction\r | |
| 23 | EXPORT ArmPlatformIsPrimaryCore\r | |
| 24 | EXPORT ArmPlatformGetPrimaryCoreMpId\r | |
| 25 | EXPORT ArmPlatformGetCorePosition\r | |
| 26 | EXPORT ArmGetPhysAddrTop\r | |
| 27 | \r | |
| 28 | IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCore\r | |
| 29 | IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCoreMask\r | |
| 30 | IMPORT _gPcd_FixedAtBuild_PcdCoreCount\r | |
| 31 | \r | |
| 6f5872b1 MC |
32 | AREA VirtHelper, CODE, READONLY\r |
| 33 | \r | |
| a36d531f MC |
34 | ArmPlatformPeiBootAction FUNCTION\r |
| 35 | bx lr\r | |
| 36 | ENDFUNC\r | |
| 37 | \r | |
| 38 | //UINTN\r | |
| 39 | //ArmPlatformGetPrimaryCoreMpId (\r | |
| 40 | // VOID\r | |
| 41 | // );\r | |
| 42 | ArmPlatformGetPrimaryCoreMpId FUNCTION\r | |
| 43 | LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0)\r | |
| 44 | ldr r0, [r0]\r | |
| 45 | bx lr\r | |
| 46 | ENDFUNC\r | |
| 47 | \r | |
| 48 | //UINTN\r | |
| 49 | //ArmPlatformIsPrimaryCore (\r | |
| 50 | // IN UINTN MpId\r | |
| 51 | // );\r | |
| 52 | ArmPlatformIsPrimaryCore FUNCTION\r | |
| 53 | mov r0, #1\r | |
| 54 | bx lr\r | |
| 55 | ENDFUNC\r | |
| 56 | \r | |
| 57 | //UINTN\r | |
| 58 | //ArmPlatformGetCorePosition (\r | |
| 59 | // IN UINTN MpId\r | |
| 60 | // );\r | |
| 61 | // With this function: CorePos = (ClusterId * 4) + CoreId\r | |
| 62 | ArmPlatformGetCorePosition FUNCTION\r | |
| 63 | and r1, r0, #ARM_CORE_MASK\r | |
| 64 | and r0, r0, #ARM_CLUSTER_MASK\r | |
| 65 | add r0, r1, r0, LSR #6\r | |
| 66 | bx lr\r | |
| 67 | ENDFUNC\r | |
| 68 | \r | |
| 69 | //EFI_PHYSICAL_ADDRESS\r | |
| 70 | //GetPhysAddrTop (\r | |
| 71 | // VOID\r | |
| 72 | // );\r | |
| 73 | ArmGetPhysAddrTop FUNCTION\r | |
| 74 | mov r0, #0x00000000\r | |
| 75 | mov r1, #0x10000\r | |
| 76 | bx lr\r | |
| 77 | ENDFUNC\r | |
| 78 | \r | |
| 79 | END\r |