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📁 ..
📄 cvmip.h(5.88 KB)
📄 cvmx-abi.h(3.67 KB)
📄 cvmx-access-native.h(26.79 KB)
📄 cvmx-access.h(7.82 KB)
📄 cvmx-address.h(10.26 KB)
📄 cvmx-agl-defs.h(213.66 KB)
📄 cvmx-app-hotplug.c(27.64 KB)
📄 cvmx-app-hotplug.h(5.77 KB)
📄 cvmx-app-init-linux.c(14.29 KB)
📄 cvmx-app-init.c(22.54 KB)
📄 cvmx-app-init.h(19.32 KB)
📄 cvmx-asm.h(39.3 KB)
📄 cvmx-asx0-defs.h(5.19 KB)
📄 cvmx-asxx-defs.h(50.57 KB)
📄 cvmx-atomic.h(21.71 KB)
📄 cvmx-bootloader.h(5.64 KB)
📄 cvmx-bootmem.c(40.91 KB)
📄 cvmx-bootmem.h(18.88 KB)
📄 cvmx-ciu-defs.h(702.5 KB)
📄 cvmx-ciu2-defs.h(487.31 KB)
📄 cvmx-clock.c(4.48 KB)
📄 cvmx-clock.h(4.43 KB)
📄 cvmx-cmd-queue.c(11.84 KB)
📄 cvmx-cmd-queue.h(22 KB)
📄 cvmx-cn3010-evb-hs5.c(6.05 KB)
📄 cvmx-cn3010-evb-hs5.h(2.3 KB)
📄 cvmx-compactflash.c(12.8 KB)
📄 cvmx-compactflash.h(3.05 KB)
📄 cvmx-core.c(5.3 KB)
📄 cvmx-core.h(9.46 KB)
📄 cvmx-coremask.c(4.12 KB)
📄 cvmx-coremask.h(8.11 KB)
📄 cvmx-crypto.c(2.6 KB)
📄 cvmx-crypto.h(2.54 KB)
📄 cvmx-csr-enums.h(8.45 KB)
📄 cvmx-csr-typedefs.h(3.92 KB)
📄 cvmx-csr.h(11.46 KB)
📄 cvmx-dbg-defs.h(6.28 KB)
📄 cvmx-debug-handler.S(7.44 KB)
📄 cvmx-debug-remote.c(3.24 KB)
📄 cvmx-debug-uart.c(7.88 KB)
📄 cvmx-debug.c(55.98 KB)
📄 cvmx-debug.h(22.2 KB)
📄 cvmx-dfa-defs.h(383.08 KB)
📄 cvmx-dfa.c(3.7 KB)
📄 cvmx-dfa.h(34.87 KB)
📄 cvmx-dfm-defs.h(205.93 KB)
📄 cvmx-dma-engine.c(20.25 KB)
📄 cvmx-dma-engine.h(24.06 KB)
📄 cvmx-dpi-defs.h(107.61 KB)
📄 cvmx-ebt3000.c(3.82 KB)
📄 cvmx-ebt3000.h(2.25 KB)
📄 cvmx-endor-defs.h(311.42 KB)
📄 cvmx-eoi-defs.h(26.27 KB)
📄 cvmx-fau.h(20.31 KB)
📄 cvmx-flash.c(22.46 KB)
📄 cvmx-flash.h(3.8 KB)
📄 cvmx-fpa-defs.h(157.78 KB)
📄 cvmx-fpa.c(6.63 KB)
📄 cvmx-fpa.h(10.39 KB)
📄 cvmx-gmx.h(3.07 KB)
📄 cvmx-gmxx-defs.h(505.27 KB)
📄 cvmx-gpio-defs.h(36.89 KB)
📄 cvmx-gpio.h(5.48 KB)
📄 cvmx-helper-board.c(58 KB)
📄 cvmx-helper-board.h(7.82 KB)
📄 cvmx-helper-cfg.c(18.68 KB)
📄 cvmx-helper-cfg.h(8.1 KB)
📄 cvmx-helper-check-defines.h(4.1 KB)
📄 cvmx-helper-errata.c(11.91 KB)
📄 cvmx-helper-errata.h(3.24 KB)
📄 cvmx-helper-fpa.c(8.81 KB)
📄 cvmx-helper-fpa.h(3.21 KB)
📄 cvmx-helper-ilk.c(12.74 KB)
📄 cvmx-helper-ilk.h(3.58 KB)
📄 cvmx-helper-jtag.c(7.05 KB)
📄 cvmx-helper-jtag.h(3.91 KB)
📄 cvmx-helper-loop.c(4.35 KB)
📄 cvmx-helper-loop.h(2.78 KB)
📄 cvmx-helper-npi.c(5.72 KB)
📄 cvmx-helper-npi.h(2.82 KB)
📄 cvmx-helper-rgmii.c(19.12 KB)
📄 cvmx-helper-rgmii.h(4.5 KB)
📄 cvmx-helper-sgmii.c(27.09 KB)
📄 cvmx-helper-sgmii.h(4.3 KB)
📄 cvmx-helper-spi.c(8.4 KB)
📄 cvmx-helper-spi.h(3.68 KB)
📄 cvmx-helper-srio.c(11.58 KB)
📄 cvmx-helper-srio.h(3.6 KB)
📄 cvmx-helper-util.c(25.77 KB)
📄 cvmx-helper-util.h(9.88 KB)
📄 cvmx-helper-xaui.c(16.54 KB)
📄 cvmx-helper-xaui.h(4.29 KB)
📄 cvmx-helper.c(69.71 KB)
📄 cvmx-helper.h(12.7 KB)
📄 cvmx-hfa.c(5.04 KB)
📄 cvmx-hfa.h(10.3 KB)
📄 cvmx-higig.h(23.21 KB)
📄 cvmx-ilk-defs.h(170.31 KB)
📄 cvmx-ilk.c(45.16 KB)
📄 cvmx-ilk.h(5.89 KB)
📄 cvmx-interrupt-handler.S(5.87 KB)
📄 cvmx-interrupt.c(47.42 KB)
📄 cvmx-interrupt.h(8.07 KB)
📄 cvmx-iob-defs.h(89.11 KB)
📄 cvmx-iob1-defs.h(6.8 KB)
📄 cvmx-ipd-defs.h(186.51 KB)
📄 cvmx-ipd.c(12.88 KB)
📄 cvmx-ipd.h(6.3 KB)
📄 cvmx-ixf18201.c(12.8 KB)
📄 cvmx-ixf18201.h(3.54 KB)
📄 cvmx-key-defs.h(11 KB)
📄 cvmx-key.h(3.29 KB)
📄 cvmx-l2c-defs.h(353.27 KB)
📄 cvmx-l2c.c(52.95 KB)
📄 cvmx-l2c.h(19.72 KB)
📄 cvmx-l2d-defs.h(60.71 KB)
📄 cvmx-l2t-defs.h(50.68 KB)
📄 cvmx-led-defs.h(22.68 KB)
📄 cvmx-llm.c(36.51 KB)
📄 cvmx-llm.h(11.72 KB)
📄 cvmx-lmcx-defs.h(532.21 KB)
📄 cvmx-log-arc.S(5.67 KB)
📄 cvmx-log.c(18.26 KB)
📄 cvmx-log.h(4.95 KB)
📁 cvmx-malloc
📄 cvmx-malloc.h(7.2 KB)
📄 cvmx-mdio.h(15.99 KB)
📄 cvmx-mgmt-port.c(36.2 KB)
📄 cvmx-mgmt-port.h(7.23 KB)
📄 cvmx-mio-defs.h(454.14 KB)
📄 cvmx-mixx-defs.h(94.59 KB)
📄 cvmx-mpi-defs.h(33.42 KB)
📄 cvmx-nand.c(76.64 KB)
📄 cvmx-nand.h(26.85 KB)
📄 cvmx-ndf-defs.h(25.53 KB)
📄 cvmx-npei-defs.h(378.19 KB)
📄 cvmx-npi-defs.h(252.36 KB)
📄 cvmx-npi.h(4.69 KB)
📄 cvmx-packet.h(2.94 KB)
📄 cvmx-pci-defs.h(250.53 KB)
📄 cvmx-pci.h(2.37 KB)
📄 cvmx-pcie.c(63 KB)
📄 cvmx-pcie.h(10.08 KB)
📄 cvmx-pcieepx-defs.h(304.49 KB)
📄 cvmx-pciercx-defs.h(284.89 KB)
📄 cvmx-pcm-defs.h(12.34 KB)
📄 cvmx-pcmx-defs.h(46.12 KB)
📄 cvmx-pcsx-defs.h(71.23 KB)
📄 cvmx-pcsxx-defs.h(45.79 KB)
📄 cvmx-pemx-defs.h(68.97 KB)
📄 cvmx-pescx-defs.h(49.92 KB)
📄 cvmx-pexp-defs.h(97.89 KB)
📄 cvmx-pip-defs.h(315.91 KB)
📄 cvmx-pip.h(33.65 KB)
📄 cvmx-pko-defs.h(181.41 KB)
📄 cvmx-pko.c(32 KB)
📄 cvmx-pko.h(31.29 KB)
📄 cvmx-platform.h(7.45 KB)
📄 cvmx-pow-defs.h(93.02 KB)
📄 cvmx-pow.c(32.26 KB)
📄 cvmx-pow.h(100.93 KB)
📄 cvmx-power-throttle.c(7.25 KB)
📄 cvmx-power-throttle.h(3.85 KB)
📄 cvmx-profiler.c(7.81 KB)
📄 cvmx-profiler.h(3.15 KB)
📄 cvmx-qlm-tables.c(35.37 KB)
📄 cvmx-qlm.c(23.41 KB)
📄 cvmx-qlm.h(4.76 KB)
📄 cvmx-rad-defs.h(43.58 KB)
📄 cvmx-raid.c(4.71 KB)
📄 cvmx-raid.h(13.02 KB)
📄 cvmx-resources.config(7.66 KB)
📄 cvmx-rng.h(5.02 KB)
📄 cvmx-rnm-defs.h(13.03 KB)
📄 cvmx-rtc.h(4.21 KB)
📄 cvmx-rwlock.h(5.25 KB)
📄 cvmx-scratch.h(4.76 KB)
📄 cvmx-shared-linux-n32.ld(11.8 KB)
📄 cvmx-shared-linux-o32.ld(10.67 KB)
📄 cvmx-shared-linux.ld(11.77 KB)
📄 cvmx-shmem.c(18.89 KB)
📄 cvmx-shmem.h(4.11 KB)
📄 cvmx-sim-magic.h(5.59 KB)
📄 cvmx-sli-defs.h(312.94 KB)
📄 cvmx-smi-defs.h(4.09 KB)
📄 cvmx-smix-defs.h(21.71 KB)
📄 cvmx-spi.c(24.99 KB)
📄 cvmx-spi.h(10.22 KB)
📄 cvmx-spi4000.c(19.23 KB)
📄 cvmx-spinlock.h(11.73 KB)
📄 cvmx-spx0-defs.h(3.94 KB)
📄 cvmx-spxx-defs.h(62.44 KB)
📄 cvmx-srio.c(63.05 KB)
📄 cvmx-srio.h(26.68 KB)
📄 cvmx-sriomaintx-defs.h(222.52 KB)
📄 cvmx-sriox-defs.h(211.56 KB)
📄 cvmx-srxx-defs.h(14.41 KB)
📄 cvmx-sso-defs.h(87.33 KB)
📄 cvmx-stxx-defs.h(34.02 KB)
📄 cvmx-swap.h(4.11 KB)
📄 cvmx-sysinfo.c(8.78 KB)
📄 cvmx-sysinfo.h(6.45 KB)
📄 cvmx-thunder.c(9.22 KB)
📄 cvmx-thunder.h(4.54 KB)
📄 cvmx-tim-defs.h(58.36 KB)
📄 cvmx-tim.c(10.92 KB)
📄 cvmx-tim.h(12.1 KB)
📄 cvmx-tlb.c(10.12 KB)
📄 cvmx-tlb.h(5.07 KB)
📄 cvmx-tra-defs.h(4.59 KB)
📄 cvmx-tra.c(31.16 KB)
📄 cvmx-tra.h(34.28 KB)
📄 cvmx-trax-defs.h(197.09 KB)
📄 cvmx-twsi.c(16.25 KB)
📄 cvmx-twsi.h(10.22 KB)
📄 cvmx-uahcx-defs.h(181.38 KB)
📄 cvmx-uart.c(5.69 KB)
📄 cvmx-uart.h(4.58 KB)
📄 cvmx-uctlx-defs.h(50.26 KB)
📄 cvmx-usb.c(138.53 KB)
📄 cvmx-usb.h(46.67 KB)
📄 cvmx-usbcx-defs.h(259.23 KB)
📄 cvmx-usbd.c(36.09 KB)
📄 cvmx-usbd.h(9.82 KB)
📄 cvmx-usbnx-defs.h(136.12 KB)
📄 cvmx-utils.h(7.54 KB)
📄 cvmx-version.h(2.23 KB)
📄 cvmx-warn.c(2.75 KB)
📄 cvmx-warn.h(2.43 KB)
📄 cvmx-wqe.h(38.61 KB)
📄 cvmx-zip-defs.h(43.18 KB)
📄 cvmx-zip.c(7.37 KB)
📄 cvmx-zip.h(8.5 KB)
📄 cvmx-zone.c(4.7 KB)
📄 cvmx.h(3.5 KB)
📄 octeon-boot-info.h(8.08 KB)
📄 octeon-feature.c(4.71 KB)
📄 octeon-feature.h(11.94 KB)
📄 octeon-model.c(15.79 KB)
📄 octeon-model.h(16.53 KB)
📄 octeon-pci-console.c(19.73 KB)
📄 octeon-pci-console.h(5.18 KB)

Editing: cvmx-debug-handler.S

/***********************license start***************
 * Copyright (c) 2003-2010  Cavium Inc. (support@cavium.com). All rights 
 * reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * 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.

*   * Neither the name of Cavium Inc. nor the names of
 *     its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written
 *     permission.

* This Software, including technical data, may be subject to U.S. export  control
 * laws, including the U.S. Export Administration Act and its  associated
 * regulations, and may be subject to export or import  regulations in other
 * countries.

* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" 
 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
 * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
 * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK ARISING OUT OF USE OR
 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
 ***********************license end**************************************/

#undef __ASSEMBLY__
#define __ASSEMBLY__

#ifdef __linux__
#include <asm/asm.h>
#include <asm/regdef.h>
#else
#include <machine/asm.h>
#include <machine/regdef.h>
#endif

#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
#include <asm/octeon/cvmx-asm.h>
#include <asm/octeon/octeon-boot-info.h>
#else

#include "cvmx-asm.h"

#ifndef _OCTEON_TOOLCHAIN_RUNTIME
#include <octeon_mem_map.h>
#else
#include "cvmx-platform.h"
#include "octeon-boot-info.h"
#endif

#endif

/* The registers saving/restoring is split into two because k0 is stored in the COP0_DESAVE register.  */
#define REGS0 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25
#define REGS1 27,28,29,30,31

#define SAVE_REGISTER(reg)	\
	sd reg, 0(k0);		\
	addi k0, 8

#define RESTORE_REGISTER(reg)	\
	ld reg, -8(k0);		\
	addi k0, -8

#define SAVE_COP0(reg)		\
	dmfc0 k1,reg;		\
	sd k1, 0(k0);		\
	addi k0, 8

#define RESTORE_COP0(reg)	\
	ld k1, -8(k0);		\
	addi k0, -8;		\
	dmtc0 k1,reg

#define SAVE_ADDRESS(addr)	\
	dli k1, addr;		\
	ld k1, 0(k1);		\
	sd k1, 0(k0);		\
	addi k0, 8

#define RESTORE_ADDRESS(addr)	\
	dli t0, addr;		\
	ld k1, -8(k0);		\
	sd k1, 0(t0);		\
	addi k0, -8

#define REG_SAVE_BASE_DIV_8  (BOOTLOADER_DEBUG_REG_SAVE_BASE >> 3)

#define HW_INSTRUCTION_BREAKPOINT_STATUS            (0xFFFFFFFFFF301000)
#define HW_INSTRUCTION_BREAKPOINT_ADDRESS(num)      (0xFFFFFFFFFF301100 + 0x100 * (num))
#define HW_INSTRUCTION_BREAKPOINT_ADDRESS_MASK(num) (0xFFFFFFFFFF301108 + 0x100 * (num))
#define HW_INSTRUCTION_BREAKPOINT_ASID(num)         (0xFFFFFFFFFF301110 + 0x100 * (num))
#define HW_INSTRUCTION_BREAKPOINT_CONTROL(num)      (0xFFFFFFFFFF301118 + 0x100 * (num))

#define HW_DATA_BREAKPOINT_STATUS                   (0xFFFFFFFFFF302000)
#define HW_DATA_BREAKPOINT_ADDRESS(num)             (0xFFFFFFFFFF302100 + 0x100 * (num))
#define HW_DATA_BREAKPOINT_ADDRESS_MASK(num)        (0xFFFFFFFFFF302108 + 0x100 * (num))
#define HW_DATA_BREAKPOINT_ASID(num)                (0xFFFFFFFFFF302110 + 0x100 * (num))
#define HW_DATA_BREAKPOINT_CONTROL(num)             (0xFFFFFFFFFF302118 + 0x100 * (num))

#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
#define loadaddr(reg, addr, shift) \
	dla	reg, addr##_all; \
        mfc0    $1, $15, 1; \
        andi    $1, 0xff; \
        sll     $1, shift; \
	add	reg, reg, $1
#else
#define loadaddr(reg, addr, shift) \
	dla	reg, addr
#endif

.set	noreorder
	.set	noat

.text

// Detect debug-mode exception, save all registers, create a stack and then
// call the stage3 C function.

.ent	__cvmx_debug_handler_stage2
	.globl	__cvmx_debug_handler_stage2
__cvmx_debug_handler_stage2:
	// Save off k0 in COP0_DESAVE
	dmtc0	k0, COP0_DESAVE

// Use reserved space in kseg0 to save off some temp regs
        mfc0    k0, $15, 1  // read exception base reg.
        andi    k0, 0xff    // mask off core ID
        sll     k0, 12      // multiply by 4096 (512 dwords) DEBUG_NUMREGS

addiu   k0,  REG_SAVE_BASE_DIV_8
        addiu   k0,  REG_SAVE_BASE_DIV_8
        addiu   k0,  REG_SAVE_BASE_DIV_8
        addiu   k0,  REG_SAVE_BASE_DIV_8
        addiu   k0,  REG_SAVE_BASE_DIV_8
        addiu   k0,  REG_SAVE_BASE_DIV_8
        addiu   k0,  REG_SAVE_BASE_DIV_8
        addiu   k0,  REG_SAVE_BASE_DIV_8
		// add base offset - after exeption vectors for all cores

rotr    k0, k0, 31   // set bit 31 for kseg0 access
        addi    k0, 1
        rotr    k0, k0, 1

// save off k1 and at ($1) off to the bootloader reg save area
	// at is used by dla
	sd      $1, 8(k0)	// save at for temp usage
	sd      k1, 216(k0)	// save k1 for temp usage

// Detect debug-mode exception.
	// If COP0_MULTICOREDEBUG[DExecC] is set,
	dmfc0	k1, COP0_MULTICOREDEBUG
	bbit0	k1, 16, noexc
	nop

// COP0_DEBUG[DINT,DIB,DDBS,DBp,DSS] are not set and
	dmfc0	k1, COP0_DEBUG
	andi	k1, 0x3f
	bnez	k1, noexc
	nop

// COP0_DEBUG[DExecC] is set.
	dmfc0	k1, COP0_DEBUG
	dext	k1,k1,10,5
	beqz	k1,noexc
	nop
	
	// We don't handle debug-mode exceptions in delay-slots so DEBUG[DBD]
	// should not be set.  If yes spin forever.
	dmfc0	k1, COP0_DEBUG
1:
	bbit1	k1, 31, 1b
	nop

// It's a debug-mode exception.  Flag the occurence.  Also if it's
	// expected just ignore it but returning the subsequent instruction
	// after the fault.
	
	loadaddr (k1, __cvmx_debug_mode_exception_occured, 3)
	sd	k1, 0(k1)

loadaddr (k1, __cvmx_debug_mode_exception_ignore, 3)
	ld	k1, 0(k1)
	beqz	k1, noexc
	nop

// Restore k1 and at from the bootloader reg save area
	ld      $1, 8(k0)	// save at for temp usage
	ld      k1, 216(k0)	// save k1 for temp usage

dmfc0	k0, COP0_DEPC
	// Skip the faulting instruction.
	daddiu	k0, 4
	jr	k0
	dmfc0	k0, COP0_DESAVE

noexc:

loadaddr (k1, __cvmx_debug_save_regs_area, 8)

// Restore at
	ld      $1, 8(k0)	// restore at for temp usage

.irp	n, REGS0
	sd	$\n, 0(k1)
	addiu	k1, 8
	.endr

move	$25, k1
	ld      k1, 216(k0)	// restore k1 for temp usage
	move	k0, $25

// Store out k0, we can use $25 here because we just saved it
	dmfc0	$25, COP0_DESAVE
	sd	$25, 0(k0)
	addiu	k0, 8

.irp	n, REGS1
	sd	$\n, 0(k0)
	addiu	k0, 8
	.endr

loadaddr(sp, __cvmx_debug_stack_top, 3)
	// Load the stack pointer as a pointer size.
#ifdef _ABIN32
	lw	sp,0(sp)
#else
	ld	sp,0(sp)
#endif
	mflo	$4
	mfhi	$5
	jal	__cvmx_debug_handler_stage3
	nop

loadaddr(k0, __cvmx_debug_save_regs_area, 8)

.irp	n, REGS0
	ld	$\n, 0(k0)
	addiu	k0, 8
	.endr

// Restore k0 to COP0_DESAVE via k1
	ld	k1, 0(k0)
	addiu	k0, 8
	dmtc0	k1, COP0_DESAVE

.irp	n, REGS1
	ld	$\n, 0(k0)
	addiu	k0, 8
	.endr
	
	dmfc0	k0, COP0_DESAVE
	// Flush the icache; by adding and removing SW breakpoints we change
	// the instruction stream.
	synci 	0($0)
	deret
	nop

.end	__cvmx_debug_handler_stage2

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