diff options
Diffstat (limited to 'sys/arch/octeon/stand/boot/start.S')
-rw-r--r-- | sys/arch/octeon/stand/boot/start.S | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/sys/arch/octeon/stand/boot/start.S b/sys/arch/octeon/stand/boot/start.S deleted file mode 100644 index 926c28588e7..00000000000 --- a/sys/arch/octeon/stand/boot/start.S +++ /dev/null @@ -1,93 +0,0 @@ -/* $OpenBSD: start.S,v 1.3 2014/07/12 20:36:52 jasper Exp $ */ - -/* - * Copyright (c) 2001-2004 Opsycon AB (www.opsycon.se / www.opsycon.com) - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <machine/param.h> -#include <machine/asm.h> -#include <machine/cpu.h> -#include <mips64/mips_cpu.h> -#include <machine/regnum.h> -#include <machine/cpustate.h> - - .set noreorder - .set mips64r2 - - .globl __start - .globl kernel_text -kernel_text = __start -LEAF(cp0_get_count, 0) - MFC0 v0, COP_0_COUNT - MFC0_HAZARD - j ra - NOP -END(cp0_get_count) - -__start: -/* initialize ebase */ - dla t0, 0xffffffff80000000 - mtc0 t0, COP_0_EBASE - -/* initialize cvmctl */ - dli t0, 0x900043F0 - dmtc0 t0, COP_0_CVMCTL - -/* initialize cvmmemctl */ - dli t0, 0x1846104 # If you want to skip write buffer, use this - dmtc0 t0, COP_0_CVMMEMCTL - -/* initialize pagegrain */ - dli t0, 0x20000000 - dmtc0 t0, COP_0_TLB_PG_GRAIN - - mfc0 v0, COP_0_STATUS_REG - li v1, ~(SR_INT_ENAB | SR_ERL | SR_EXL) - and v0, v1 - mtc0 v0, COP_0_STATUS_REG # disable all interrupts - - mtc0 zero, COP_0_CAUSE_REG # Clear soft interrupts - - LA gp, _gp - - /* - * Initialize stack and call bootloader setup. - */ - LA t0, __start - FRAMESZ(CF_SZ) - PTR_S ra, CF_RA_OFFS(t0) # save uboot return address - PTR_S sp, 0(t0) # and stack - move sp, t0 - jal mips_init # mips_init(argc, argv, envp, - nop # callvec, esym) - - beqz v0, 1f # upon failure, return to uboot - nop - - move a0, zero - PANIC("Startup failed!") - -1: PTR_L ra, CF_RA_OFFS(sp) - PTR_L sp, 0(sp) - jr ra - nop |