projects / mirror_edk2.git / blame
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|---|---|---|
| a36d531f MC |
1 | #\r |
| 2 | # Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r | |
| dfc28388 | 3 | # Copyright (c) 2016, Linaro Limited. All rights reserved.\r |
| a36d531f MC |
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 | |
| 13 | #\r | |
| 14 | \r | |
| 15 | #include <AsmMacroIoLibV8.h>\r | |
| a36d531f | 16 | #include <Library/ArmLib.h>\r |
| a36d531f | 17 | \r |
| dfc28388 | 18 | ASM_FUNC(ArmPlatformPeiBootAction)\r |
| a36d531f MC |
19 | ret\r |
| 20 | \r | |
| 21 | //UINTN\r | |
| 22 | //ArmPlatformGetPrimaryCoreMpId (\r | |
| 23 | // VOID\r | |
| 24 | // );\r | |
| dfc28388 AB |
25 | ASM_FUNC(ArmPlatformGetPrimaryCoreMpId)\r |
| 26 | MOV32 (w0, FixedPcdGet32 (PcdArmPrimaryCore))\r | |
| a36d531f MC |
27 | ret\r |
| 28 | \r | |
| 29 | //UINTN\r | |
| 30 | //ArmPlatformIsPrimaryCore (\r | |
| 31 | // IN UINTN MpId\r | |
| 32 | // );\r | |
| dfc28388 | 33 | ASM_FUNC(ArmPlatformIsPrimaryCore)\r |
| a36d531f MC |
34 | mov x0, #1\r |
| 35 | ret\r | |
| 36 | \r | |
| 37 | //UINTN\r | |
| 38 | //ArmPlatformGetCorePosition (\r | |
| 39 | // IN UINTN MpId\r | |
| 40 | // );\r | |
| 41 | // With this function: CorePos = (ClusterId * 4) + CoreId\r | |
| dfc28388 | 42 | ASM_FUNC(ArmPlatformGetCorePosition)\r |
| a36d531f MC |
43 | and x1, x0, #ARM_CORE_MASK\r |
| 44 | and x0, x0, #ARM_CLUSTER_MASK\r | |
| 45 | add x0, x1, x0, LSR #6\r | |
| 46 | ret\r | |
| 47 | \r | |
| 48 | //EFI_PHYSICAL_ADDRESS\r | |
| 49 | //GetPhysAddrTop (\r | |
| 50 | // VOID\r | |
| 51 | // );\r | |
| dfc28388 | 52 | ASM_FUNC(ArmGetPhysAddrTop)\r |
| a36d531f MC |
53 | mrs x0, id_aa64mmfr0_el1\r |
| 54 | adr x1, .LPARanges\r | |
| 55 | and x0, x0, #7\r | |
| 56 | ldrb w1, [x1, x0]\r | |
| 57 | mov x0, #1\r | |
| 58 | lsl x0, x0, x1\r | |
| 59 | ret\r | |
| 60 | \r | |
| 61 | //\r | |
| 62 | // Bits 0..2 of the AA64MFR0_EL1 system register encode the size of the\r | |
| 63 | // physical address space support on this CPU:\r | |
| 64 | // 0 == 32 bits, 1 == 36 bits, etc etc\r | |
| 65 | // 6 and 7 are reserved\r | |
| 66 | //\r | |
| 67 | .LPARanges:\r | |
| 68 | .byte 32, 36, 40, 42, 44, 48, -1, -1\r | |
| 69 | \r | |
| 70 | ASM_FUNCTION_REMOVE_IF_UNREFERENCED\r |