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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-uart.c

/***********************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**************************************/

#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
#include <linux/module.h>
#include <asm/octeon/cvmx.h>
#include <asm/octeon/cvmx-debug.h>
#include <asm/octeon/cvmx-uart.h>
#include <asm/octeon/octeon-boot-info.h>
#include <asm/octeon/cvmx-spinlock.h>

int cvmx_debug_uart = 1;

#else
#include <limits.h>
#include "executive-config.h"
#include "cvmx.h"
#include "cvmx-debug.h"
#include "cvmx-uart.h"
#include "cvmx-spinlock.h"
#include "octeon-boot-info.h"
#endif

/* 
 * NOTE: CARE SHOULD BE TAKEN USING STD C LIBRARY FUNCTIONS IN
 * THIS FILE IF SOMEONE PUTS A BREAKPOINT ON THOSE FUNCTIONS
 * DEBUGGING WILL FAIL.
 */

#ifdef CVMX_BUILD_FOR_TOOLCHAIN
#pragma weak cvmx_uart_enable_intr
int cvmx_debug_uart = 1;
#endif

/* Default to second uart port for backward compatibility.  The default (if
   -debug does not set the uart number) can now be overridden with
   CVMX_DEBUG_COMM_UART_NUM. */
#ifndef CVMX_DEBUG_COMM_UART_NUM
# define CVMX_DEBUG_COMM_UART_NUM 1
#endif

static CVMX_SHARED cvmx_spinlock_t cvmx_debug_uart_lock;

/**
 * Interrupt handler for debugger Control-C interrupts.
 *
 * @param irq_number IRQ interrupt number
 * @param registers  CPU registers at the time of the interrupt
 * @param user_arg   Unused user argument
 */
void cvmx_debug_uart_process_debug_interrupt(int irq_number, uint64_t registers[32], void *user_arg)
{
    cvmx_uart_lsr_t lsrval;

/* Check for a Control-C interrupt from the debugger. This loop will eat
        all input received on the uart */
    lsrval.u64 = cvmx_read_csr(CVMX_MIO_UARTX_LSR(cvmx_debug_uart));
    while (lsrval.s.dr)
    {
        int c = cvmx_read_csr(CVMX_MIO_UARTX_RBR(cvmx_debug_uart));
        if (c == '\003')
        {
            register uint64_t tmp;
#ifndef CVMX_BUILD_FOR_LINUX_KERNEL
            fflush(stderr);
            fflush(stdout);
#endif
            /* Pulse MCD0 signal on Ctrl-C to stop all the cores. Also
                set the MCD0 to be not masked by this core so we know
                the signal is received by someone */
            asm volatile (
                "dmfc0 %0, $22\n"
                "ori   %0, %0, 0x1110\n"
                "dmtc0 %0, $22\n"
                : "=r" (tmp));
        }
        lsrval.u64 = cvmx_read_csr(CVMX_MIO_UARTX_LSR(cvmx_debug_uart));
    }
}

static void cvmx_debug_uart_init(void)
{
    if (cvmx_debug_uart == -1)
	cvmx_debug_uart = CVMX_DEBUG_COMM_UART_NUM;
}

static void cvmx_debug_uart_install_break_handler(void)
{
#ifndef CVMX_BUILD_FOR_LINUX_KERNEL
#ifdef CVMX_BUILD_FOR_TOOLCHAIN
    if (cvmx_uart_enable_intr)
#endif
        cvmx_uart_enable_intr(cvmx_debug_uart, cvmx_debug_uart_process_debug_interrupt);
#endif
}

/**
 * Routines to handle hex data
 *
 * @param ch
 * @return
 */
static inline int cvmx_debug_uart_hex(char ch)
{
    if ((ch >= 'a') && (ch <= 'f'))
        return(ch - 'a' + 10);
    if ((ch >= '0') && (ch <= '9'))
        return(ch - '0');
    if ((ch >= 'A') && (ch <= 'F'))
        return(ch - 'A' + 10);
    return(-1);
}

/* Get a packet from the UART, return 0 on failure and 1 on success. */

static int cvmx_debug_uart_getpacket(char *buffer, size_t size)
{
    while (1)
    {
	unsigned char checksum;
        int timedout = 0;
	size_t count;
	char ch;

ch = cvmx_uart_read_byte_with_timeout(cvmx_debug_uart, &timedout, __SHRT_MAX__);

if (timedout)
            return 0;

/* if this is not the start character, ignore it. */
        if (ch != '$')
            continue;

retry:
        checksum = 0;
        count = 0;

/* now, read until a # or end of buffer is found */
        while (count < size)
        {
            ch = cvmx_uart_read_byte(cvmx_debug_uart);
            if (ch == '$')
                goto retry;
            if (ch == '#')
                break;
            checksum = checksum + ch;
            buffer[count] = ch;
            count = count + 1;
        }
        buffer[count] = 0;

if (ch == '#')
        {
	    char csumchars0, csumchars1;
	    unsigned xmitcsum;
	    int n0, n1;

csumchars0 = cvmx_uart_read_byte(cvmx_debug_uart);
            csumchars1 = cvmx_uart_read_byte(cvmx_debug_uart);
            n0 = cvmx_debug_uart_hex(csumchars0);
            n1 = cvmx_debug_uart_hex(csumchars1);
	    if (n0 == -1 || n1 == -1)
		return 0;

xmitcsum = (n0 << 4) | n1;
            return checksum == xmitcsum;
        }
    }
    return 0;
}

/* Put the hex value of t into str. */
static void cvmx_debug_uart_strhex(char *str, unsigned char t)
{
  char hexchar[] = "0123456789ABCDEF";
  str[0] = hexchar[(t>>4)];
  str[1] = hexchar[t&0xF];
  str[2] = 0;
}

static int cvmx_debug_uart_putpacket(char *packet)
{
    size_t i;
    unsigned char csum;
    unsigned char *ptr = (unsigned char *) packet;
    char csumstr[3];

for (csum = 0, i = 0; ptr[i]; i++)
      csum += ptr[i];
    cvmx_debug_uart_strhex(csumstr, csum);

cvmx_spinlock_lock(&cvmx_debug_uart_lock);
    cvmx_uart_write_byte(cvmx_debug_uart, '$');
    cvmx_uart_write_string(cvmx_debug_uart, packet);
    cvmx_uart_write_byte(cvmx_debug_uart, '#');
    cvmx_uart_write_string(cvmx_debug_uart, csumstr);
    cvmx_spinlock_unlock(&cvmx_debug_uart_lock);

return 0;
}

static void cvmx_debug_uart_change_core(int oldcore, int newcore)
{
#ifndef CVMX_BUILD_FOR_LINUX_KERNEL
    cvmx_ciu_intx0_t irq_control;

irq_control.u64 = cvmx_read_csr(CVMX_CIU_INTX_EN0(newcore * 2));
    irq_control.s.uart |= (1u<<cvmx_debug_uart);
    cvmx_write_csr(CVMX_CIU_INTX_EN0(newcore * 2), irq_control.u64);

/* Disable interrupts to this core since he is about to die */
    irq_control.u64 = cvmx_read_csr(CVMX_CIU_INTX_EN0(oldcore * 2));
    irq_control.s.uart &= ~(1u<<cvmx_debug_uart);
    cvmx_write_csr(CVMX_CIU_INTX_EN0(oldcore* 2), irq_control.u64);
#endif
}

cvmx_debug_comm_t cvmx_debug_uart_comm =
{
  .init = cvmx_debug_uart_init,
  .install_break_handler = cvmx_debug_uart_install_break_handler,
  .needs_proxy = 1,
  .getpacket = cvmx_debug_uart_getpacket,
  .putpacket = cvmx_debug_uart_putpacket,
  .wait_for_resume = NULL,
  .change_core = cvmx_debug_uart_change_core,
};

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Editing: cvmx-debug-uart.c

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