/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2007 Cavium Networks */ #include <asm/asm.h> #include <asm/regdef.h> #define SAVE_REG(r) sd $r, -32768+6912-(32-r)*8($0) NESTED(octeon_wdt_nmi_stage2, 0, sp) .set push .set noreorder .set noat /* Save all registers to the top CVMSEG. This shouldn't * corrupt any state used by the kernel. Also all registers * should have the value right before the NMI. */ SAVE_REG(0) SAVE_REG(1) SAVE_REG(2) SAVE_REG(3) SAVE_REG(4) SAVE_REG(5) SAVE_REG(6) SAVE_REG(7) SAVE_REG(8) SAVE_REG(9) SAVE_REG(10) SAVE_REG(11) SAVE_REG(12) SAVE_REG(13) SAVE_REG(14) SAVE_REG(15) SAVE_REG(16) SAVE_REG(17) SAVE_REG(18) SAVE_REG(19) SAVE_REG(20) SAVE_REG(21) SAVE_REG(22) SAVE_REG(23) SAVE_REG(24) SAVE_REG(25) SAVE_REG(26) SAVE_REG(27) SAVE_REG(28) SAVE_REG(29) SAVE_REG(30) SAVE_REG(31) /* Set the stack to begin right below the registers */ li sp, -32768+6912-32*8 /* Load the address of the third stage handler */ dla a0, octeon_wdt_nmi_stage3 /* Call the third stage handler */ jal a0 /* a0 is the address of the saved registers */ move a0, sp /* Loop forvever if we get here. */ 1: b 1b nop .set pop END(octeon_wdt_nmi_stage2)