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Diffstat (limited to 'board/st/u8500/core2.S')
| -rwxr-xr-x | board/st/u8500/core2.S | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/board/st/u8500/core2.S b/board/st/u8500/core2.S new file mode 100755 index 000000000..7152e3077 --- /dev/null +++ b/board/st/u8500/core2.S @@ -0,0 +1,56 @@ +/* + * secondary_wfe() + * Copyright (c) 2009 ST Ericsson + * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> + * + * puts the secondary core in wfe. This is required for the locked + * version of ST Ericsson SMP platform to attach the debugger at this stage. + * This is a GCC generated code. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +.global secondary_startup +secondary_startup: + dsb @ WFI may enter a low-power mode + wfi + mov pc, lr + +.global secondary_wfe +secondary_wfe: +.L8: wfe + ldr r0, .L9 + ldr r1, .L9+4 + ldr r3, [r0, #4080] + str r3, [r1, #0] + ldr r3, .L9+8 + ldr r2, [r1, #0] + cmp r2, r3 + bne .L8 + ldr r3, [r0, #4084] + str r3, [r1, #4] + blx r3 + b .L8 +.L10: + .align 2 +.L9: + .word -2146103296 + .word .LANCHOR0 + .word -1577128703 + .size secondary_wfe, .-secondary_wfe + .global handler + .global magic_num + .bss + .align 2 +.LANCHOR0 = . + 0 + .type magic_num, %object + .size magic_num, 4 +magic_num: + .space 4 + .type handler, %object + .size handler, 4 +handler: + .space 4 + .ident "GCC: (GNU) 4.2.3" + .section .note.GNU-stack,"",%progbits |