From 87a21372dcb04e77f91e1333cd8e5a297fbe59b0 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 15 Sep 2009 21:11:44 +0000 Subject: 2009-09-15 Joel Sherrill * rtems_init.c: New example. Runs on qemu. * networkconfig-qemu.h: New file. --- ChangeLog | 5 + networkconfig-qemu.h | 307 +++++++++++++++++++++++++++++++++++++++++++++++++++ rtems_init.c | 7 +- 3 files changed, 318 insertions(+), 1 deletion(-) create mode 100644 networkconfig-qemu.h diff --git a/ChangeLog b/ChangeLog index 5ef17f1..161e807 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2009-09-15 Joel Sherrill + + * rtems_init.c: New example. Runs on qemu. + * networkconfig-qemu.h: New file. + 2008-09-10 Joel Sherrill * Makefile: Add new tests. Most of these eitehr demonstrate or verify a diff --git a/networkconfig-qemu.h b/networkconfig-qemu.h new file mode 100644 index 0000000..426da4d --- /dev/null +++ b/networkconfig-qemu.h @@ -0,0 +1,307 @@ +/* + * Network configuration -- QEMU NOT using DHCP + * + ************************************************************ + * EDIT THIS FILE TO REFLECT YOUR NETWORK CONFIGURATION * + * BEFORE RUNNING ANY RTEMS PROGRAMS WHICH USE THE NETWORK! * + ************************************************************ + * + * The dynamic probing is based upon the EPICS network + * configuration file written by: + * W. Eric Norum + * eric.norum@usask.ca + * (306) 966-5394 + * + * networkconfig.h,v 1.8 2001/08/31 18:11:43 joel Exp + */ + +#ifndef _RTEMS_NETWORKCONFIG_H_ +#define _RTEMS_NETWORKCONFIG_H_ + +/* #define USE_LIBBSDPORT */ + +#if defined(USE_LIBBSDPORT) + #include + #define CONFIGURE_MAXIMUM_TIMERS 10 +#endif +/* + * For TFTP test application + */ +#if (defined (RTEMS_USE_BOOTP)) +#define RTEMS_TFTP_TEST_HOST_NAME "BOOTP_HOST" +#define RTEMS_TFTP_TEST_FILE_NAME "BOOTP_FILE" +#else +#define RTEMS_TFTP_TEST_HOST_NAME "XXX.YYY.ZZZ.XYZ" +#define RTEMS_TFTP_TEST_FILE_NAME "tftptest" +#endif + +/* + * For NFS test application + * + * NFS mount and a directory to ls once mounted + */ +#define RTEMS_NFS_SERVER "192.168.1.210" +#define RTEMS_NFS_SERVER_PATH "/home" +#define RTEMS_NFS_LS_PATH "/mnt/nfstest" + + + +/* + * This file can be copied to an application source dirctory + * and modified to override the values shown below. + * + * The following CPP symbols may be passed from the Makefile: + * + * symbol default description + * + * NETWORK_TASK_PRIORITY 150 can be read by app from public + * var 'gesysNetworkTaskPriority' + * FIXED_IP_ADDR hardcoded IP address (e.g., + * "192.168.0.10"); disables BOOTP; + * must also define FIXED_NETMASK + * FIXED_NETMASK IP netmask string + * (e.g. "255.255.255.0") + * LO_IF_ONLY If defined, do NOT configure + * any ethernet driver but only the + * loopback interface. + * MULTI_NETDRIVER ugly hack; if defined try to probe + * a variety of PCI and ISA drivers + * (i386 ONLY) use is discouraged! + * NIC_NAME Ethernet driver name (e.g. "pcn1"); + * must also define NIC_ATTACH + * NIC_ATTACH Ethernet driver attach function + * (e.g., rtems_fxp_attach). + * If these are undefined then + * a) MULTI_NETDRIVER is used + * (if defined) + * b) RTEMS_BSP_NETWORK_DRIVER_NAME/ + * RTEMS_BSP_NETWORK_DRIVER_ATTACH + * are tried + * MEMORY_CUSTOM Allocate the defined amount of + * memory for mbufs and mbuf clusters, + * respectively. Define to a comma ',' + * separated pair of two numerical + * values, e.g: 100*1024,200*1024 + * MEMORY_SCARCE Allocate few memory for mbufs + * (hint for how much memory the + * board has) + * MEMORY_HUGE Allocate a lot of memory for mbufs + * (hint for how much memory the + * board has) + * If none of MEMORY_CUSTOM/ + * MEMORY_SCARCE/MEMORY_HUGE are + * defined then a medium amount of + * memory is allocated for mbufs. + */ + +#include +#include +#include + +#if 0 +#ifdef HAVE_CONFIG_H +#include +#else +#include "verscheck.h" +#endif +#endif + +#define MULTI_NETDRIVER + +/* Assume we are on qemu unless forced to lab hardware */ +#if !defined(ON_RTEMS_LAB_WINSYSTEMS) +#undef ON_QEMU +#define ON_QEMU +#endif + +#if defined(ON_QEMU) +#define FIXED_IP_ADDR "10.0.2.5" +#endif + +#if defined(ON_RTEMS_LAB_WINSYSTEMS) +#define FIXED_IP_ADDR "192.168.1.249" +#endif + +#define FIXED_NETMASK "255.255.255.0" + +#ifndef NETWORK_TASK_PRIORITY +#define NETWORK_TASK_PRIORITY 150 /* within EPICS' range */ +#endif + +/* make publicily available for startup scripts... */ +const int gesysNetworkTaskPriority = NETWORK_TASK_PRIORITY; + +#ifdef FIXED_IP_ADDR +#define RTEMS_DO_BOOTP 0 +#else +#define RTEMS_DO_BOOTP rtems_bsdnet_do_bootp +#define FIXED_IP_ADDR 0 +#undef FIXED_NETMASK +#define FIXED_NETMASK 0 +#endif + +#ifdef LO_IF_ONLY +#undef NIC_NAME +#elif !defined(NIC_NAME) + +#ifdef MULTI_NETDRIVER + +#if 0 + #if RTEMS_VERSION_ATLEAST(4,6,99) + #define pcib_init pci_initialize + #endif +#endif + +extern int rtems_3c509_driver_attach (struct rtems_bsdnet_ifconfig *, int); +extern int rtems_fxp_attach (struct rtems_bsdnet_ifconfig *, int); +extern int rtems_elnk_driver_attach (struct rtems_bsdnet_ifconfig *, int); +extern int rtems_dec21140_driver_attach (struct rtems_bsdnet_ifconfig *, int); + +/* these don't probe and will be used even if there's no device :-( */ +extern int rtems_ne_driver_attach (struct rtems_bsdnet_ifconfig *, int); +extern int rtems_wd_driver_attach (struct rtems_bsdnet_ifconfig *, int); + +static struct rtems_bsdnet_ifconfig isa_netdriver_config[] = { + { + "ep0", rtems_3c509_driver_attach, isa_netdriver_config + 1, + }, + { + "ne1", rtems_ne_driver_attach, 0, irno: 9 /* qemu cannot configure irq-no :-(; has it hardwired to 9 */ + }, +}; + +static struct rtems_bsdnet_ifconfig pci_netdriver_config[]={ + { + "dc1", rtems_dec21140_driver_attach, pci_netdriver_config+1, + }, + #if !defined(USE_LIBBSDPORT) + { + "fxp1", rtems_fxp_attach, pci_netdriver_config+2, + }, + #else + { + "", libbsdport_netdriver_attach, pci_netdriver_config+2, + }, + #endif + { + "elnk1", rtems_elnk_driver_attach, isa_netdriver_config, + }, +}; + +static int pci_check(struct rtems_bsdnet_ifconfig *ocfg, int attaching) +{ +struct rtems_bsdnet_ifconfig *cfg; +int if_index_pre; +extern int if_index; + if ( attaching ) { + cfg = pci_initialize() ? + isa_netdriver_config : pci_netdriver_config; + } + while ( cfg ) { + printk("Probing '%s'", cfg->name); + /* unfortunately, the return value is unreliable - some drivers report + * success even if they fail. + * Check if they chained an interface (ifnet) structure instead + */ + if_index_pre = if_index; + cfg->attach(cfg, attaching); + if ( if_index > if_index_pre ) { + /* assume success */ + printk(" .. seemed to work\n"); + ocfg->name = cfg->name; + ocfg->attach = cfg->attach; + return 0; + } + printk(" .. failed\n"); + cfg = cfg->next; + } + return -1; +} + +#define NIC_NAME "dummy" +#define NIC_ATTACH pci_check + +#else + +#if defined(RTEMS_BSP_NETWORK_DRIVER_NAME) /* Use NIC provided by BSP */ +# define NIC_NAME RTEMS_BSP_NETWORK_DRIVER_NAME +# define NIC_ATTACH RTEMS_BSP_NETWORK_DRIVER_ATTACH +#endif + +#endif /* ifdef MULTI_NETDRIVER */ + +#endif /* ifdef LO_IF_ONLY */ + +#ifdef NIC_NAME + +extern int NIC_ATTACH(); + + +static struct rtems_bsdnet_ifconfig netdriver_config[1] = {{ + NIC_NAME, /* name */ + (int (*)(struct rtems_bsdnet_ifconfig*,int))NIC_ATTACH, /* attach function */ + 0, /* link to next interface */ + FIXED_IP_ADDR, + FIXED_NETMASK +}}; +#else +#ifndef LO_IF_ONLY +#warning "NO KNOWN NETWORK DRIVER FOR THIS BSP -- YOU MAY HAVE TO EDIT rtems_netconfig.c" +#endif +#endif + +extern void rtems_bsdnet_loopattach(); +static struct rtems_bsdnet_ifconfig loopback_config = { + "lo0", /* name */ + (int (*)(struct rtems_bsdnet_ifconfig *, int))rtems_bsdnet_loopattach, /* attach function */ +#ifdef NIC_NAME + netdriver_config, /* link to next interface */ +#else + 0, /* link to next interface */ +#endif + "127.0.0.1", /* IP address */ + "255.0.0.0", /* IP net mask */ +}; + +struct rtems_bsdnet_config rtems_bsdnet_config = { + &loopback_config, /* Network interface */ +#ifdef NIC_NAME + RTEMS_DO_BOOTP, /* Use BOOTP to get network configuration */ +#else + 0, /* Use BOOTP to get network configuration */ +#endif + NETWORK_TASK_PRIORITY, /* Network task priority */ +#if defined(MEMORY_CUSTOM) + MEMORY_CUSTOM, +#elif defined(MEMORY_SCARCE) + 100*1024, /* MBUF space */ + 200*1024, /* MBUF cluster space */ +#elif defined(MEMORY_HUGE) + 2*1024*1024, /* MBUF space */ + 5*1024*1024, /* MBUF cluster space */ +#else + 180*1024, /* MBUF space */ + 350*1024, /* MBUF cluster space */ +#endif +#if (!defined (RTEMS_USE_BOOTP)) && defined(ON_RTEMS_LAB_WINSYSTEMS) + "rtems", /* Host name */ + "nodomain.com", /* Domain name */ + "192.168.1.14", /* Gateway */ + "192.168.1.1", /* Log host */ + {"192.168.1.1" }, /* Name server(s) */ + {"192.168.1.1" }, /* NTP server(s) */ +#else + NULL, /* Host name */ + NULL, /* Domain name */ + NULL, /* Gateway */ + NULL, /* Log host */ + { NULL }, /* Name server(s) */ + { NULL }, /* NTP server(s) */ +#endif /* !RTEMS_USE_BOOTP */ + 0, /* efficiency */ + 0, /* udp TX buffer */ + 0, /* udp RX buffer */ + 0, /* tcp TX buffer */ + 0, /* tcp RX buffer */ +}; +#endif /* _RTEMS_NETWORKCONFIG_H_ */ diff --git a/rtems_init.c b/rtems_init.c index f73e156..3c7efbb 100644 --- a/rtems_init.c +++ b/rtems_init.c @@ -248,8 +248,13 @@ void *POSIX_Init( void *argument ) #define CONFIGURE_MAXIMUM_FAKE_ADA_TASKS 0 #endif +#if !defined(ADA_APPLICATION_NEEDS_EXTRA_MEMORY) + #define ADA_APPLICATION_NEEDS_EXTRA_MEMORY 0 +#endif + /* Account for any extra task stack size */ -#define CONFIGURE_MEMORY_OVERHEAD (GNAT_MAIN_STACKSPACE) +#define CONFIGURE_MEMORY_OVERHEAD \ + (ADA_APPLICATION_NEEDS_EXTRA_MEMORY + GNAT_MAIN_STACKSPACE) /* Make sure the C Program Heap and Workspace are zeroed for GNAT */ #define CONFIGURE_ZERO_WORKSPACE_AUTOMATICALLY TRUE -- cgit v1.2.3