projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 27be3601 HL |
1 | #\r |
| 2 | # Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r | |
| 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 <AsmMacroIoLibV8.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 | .text\r | |
| 21 | .align 2\r | |
| 22 | \r | |
| 23 | GCC_ASM_EXPORT(ArmPlatformPeiBootAction)\r | |
| 24 | GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)\r | |
| 99267097 | 25 | GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)\r |
| 27be3601 HL |
26 | GCC_ASM_EXPORT(ArmPlatformGetCorePosition)\r |
| 27 | GCC_ASM_EXPORT(ArmGetCpuCountPerCluster)\r | |
| 28 | \r | |
| 29 | GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)\r | |
| 30 | GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)\r | |
| 31 | GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdCoreCount)\r | |
| 32 | \r | |
| 33 | ASM_PFX(ArmPlatformPeiBootAction):\r | |
| 34 | ret\r | |
| 35 | \r | |
| 99267097 OM |
36 | //UINTN\r |
| 37 | //ArmPlatformGetPrimaryCoreMpId (\r | |
| 38 | // VOID\r | |
| 39 | // );\r | |
| 40 | ASM_PFX(ArmPlatformGetPrimaryCoreMpId):\r | |
| 41 | LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, x0)\r | |
| 42 | ldrh w0, [x0]\r | |
| 43 | ret\r | |
| 44 | \r | |
| 27be3601 HL |
45 | # IN None\r |
| 46 | # OUT x0 = number of cores present in the system\r | |
| 47 | ASM_PFX(ArmGetCpuCountPerCluster):\r | |
| 48 | LoadConstantToReg (_gPcd_FixedAtBuild_PcdCoreCount, x0)\r | |
| 49 | ldrh w0, [x0]\r | |
| 50 | ret\r | |
| 51 | \r | |
| 52 | //UINTN\r | |
| 53 | //ArmPlatformIsPrimaryCore (\r | |
| 54 | // IN UINTN MpId\r | |
| 55 | // );\r | |
| 56 | ASM_PFX(ArmPlatformIsPrimaryCore):\r | |
| 57 | LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, x1)\r | |
| 58 | ldrh w1, [x1]\r | |
| 59 | and x0, x0, x1\r | |
| 60 | LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, x1)\r | |
| 61 | ldrh w1, [x1]\r | |
| 62 | cmp w0, w1\r | |
| 63 | b.ne 1f\r | |
| 91c38d4e | 64 | mov x0, #1\r |
| 27be3601 HL |
65 | ret\r |
| 66 | 1:\r | |
| 91c38d4e | 67 | mov x0, #0\r |
| 27be3601 HL |
68 | ret\r |
| 69 | \r | |
| 70 | //UINTN\r | |
| 71 | //ArmPlatformGetCorePosition (\r | |
| 72 | // IN UINTN MpId\r | |
| 73 | // );\r | |
| 74 | // With this function: CorePos = (ClusterId * 4) + CoreId\r | |
| 75 | ASM_PFX(ArmPlatformGetCorePosition):\r | |
| 76 | and x1, x0, #ARM_CORE_MASK\r | |
| 77 | and x0, x0, #ARM_CLUSTER_MASK\r | |
| 78 | add x0, x1, x0, LSR #6\r | |
| 79 | ret\r | |
| 80 | \r | |
| 81 | ASM_FUNCTION_REMOVE_IF_UNREFERENCED\r |