| simple.S (8280:5dddde1126c2) | simple.S (9190:3e5761bfa300) |
|---|---|
| 1/* 2 * Copyright (c) 2010 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 54 unchanged lines hidden (view full) --- 63 b bootldr 64 b bootldr 65 b bootldr 66 b bootldr 67 b bootldr 68 69bootldr: 70 mrc p15, 0, r8, c0, c0, 5 // get the MPIDR register | 1/* 2 * Copyright (c) 2010 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 54 unchanged lines hidden (view full) --- 63 b bootldr 64 b bootldr 65 b bootldr 66 b bootldr 67 b bootldr 68 69bootldr: 70 mrc p15, 0, r8, c0, c0, 5 // get the MPIDR register |
| 71 uxtb r8, r8 // isolate the lower 8 bits (affinity lvl 1) 72 adds r8, r8, #0 // set flags for branch | 71 bics r8, r8, #0xff000000 // isolate the lower 24 bits (affinity levels) |
| 73 bxeq r3 // if it's 0 (CPU 0), branch to kernel 74 mov r8, #1 75 str r8, [r4, #0] // Enable CPU interface on GIC 76 wfi // wait for an interrupt 77pen: 78 ldr r8, [r5] // load the value 79 movs r8, r8 // set the flags on this value 80 beq pen // if it's zero try again 81 bx r8 // Jump to where we've been told 82 bkpt // We should never get here | 72 bxeq r3 // if it's 0 (CPU 0), branch to kernel 73 mov r8, #1 74 str r8, [r4, #0] // Enable CPU interface on GIC 75 wfi // wait for an interrupt 76pen: 77 ldr r8, [r5] // load the value 78 movs r8, r8 // set the flags on this value 79 beq pen // if it's zero try again 80 bx r8 // Jump to where we've been told 81 bkpt // We should never get here |