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* sparc: Simplify trap table initializationSebastian Huber2021-06-243-55/+32
| | | | | | | | | | | | | | | Move _ISR_Handler() to a separate file since it is now only used if a handler is installed by _CPU_ISR_install_raw_handler(). Statically initialize the traps for external interrupts to use the new _SPARC_Interrupt_trap() which directly dispatches the interrupt handlers installed by rtems_interrupt_handler_install() via the BSP-provided _SPARC_Interrupt_dispatch(). Since the trap table is now fully statically initialized, there is no longer a dependency on the Cache Manager in the default configuration. Update #4458.
* sparc: More reliable bad trap handlingSebastian Huber2021-06-241-5/+2
| | | | | | | | | | | | | Statically initialize the trap table in start.S to jump to _SPARC_Bad_trap() for all unexpected traps. This enables a proper RTEMS fatal error handling right from the start. Do not rely on the stack and register settings which caused an unexpected trap. Use the ISR stack of the processor to do the fatal error handling. Save the full context which caused the trap. Fatal error handler may use it for error logging. Unify the _CPU_Exception_frame_print() implementations and move it to cpukit. Update #4459.
* bsps/sparc: Add a symbol for each trap table entrySebastian Huber2021-06-241-95/+264
| | | | | | | | This makes it easier to review start.o and set break points to trap table entries. This change was checked by inspecting the trap table in start.o with objdump. Update #4458.
* bsps/sparc: Simplify memory initializationSebastian Huber2021-06-102-34/+39
| | | | | | | | | | | | | Directly initialize the memory in the start sequence defined by start.S instead of using a system initialization handler. This avoids using the global variable rdb_start which used a memory location which was shared with _ERC32_MEC_Timer_Control_Mirror. This change makes it possible to use _Memory_Allocate() even before the system initialization is started. Change license to BSD-2-Clause according to file history and re-licensing agreement. Update #3053.
* bsps/sparc: Simplify stack initializationSebastian Huber2021-06-101-28/+21
| | | | | | Initialize the stacks for all processors in one place. Do not rely on Per_CPU_Control::interrupt_stack_high and directly use the statically allocated interrupt stack area.
* bsps/sparc: Unify stack initializationSebastian Huber2021-06-101-8/+6
| | | | | Initialize the stacks in start.S in one place and identical to _CPU_Context_Initialize().
* bsps/sparc: Remove support to load data sectionSebastian Huber2021-06-101-32/+4
| | | | | | | | | | | | | | | | | | Remove the support to load the data section and rely on the boot loader. The code is an artifact from the old erc32 days, when we would boot and execute from ROM and the .data had to be copied over to RAM. With leon1/2/3, this is not used anymore as a boot loader is made from the RAM image using a custom tool (mkprom). In SMP configurations, this support was also broken since LEON3_Boot_Cpu (in the data section due to the -1 initialization value) was used quite early in the start sequence. If the data copy is really necessary, then an application can still add this step as a very early system initialization step, since boot_card() and the system initialization loop does not use initialized read-write data (only read-only and BSS data). However, the SMP startup would still not work in this case. A boot loader is a better place to load the sections.
* bsps/sparc: Remove unused __bsp_mem_init symbolSebastian Huber2021-06-101-1/+1
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* bsps: Support RTEMS_NOINIT in linkcmdsSebastian Huber2021-05-021-0/+3
| | | | Update #3866.
* gr_cpci_gr740.c: Unchecked return value from library (CID #1437630)Ryan Long2021-03-051-1/+3
| | | | | | CID 1437630: Unchecked return value from library in gr_cpci_gr740_init1(). Closes #4290
* gr_leon4_n2x.c: Fix Unchecked return value from library (CID #1399767)Ryan Long2021-03-051-1/+3
| | | | | | CID 1399767: Unchecked return value error from library in gr_cpci_leon4_n2x_init1(). Closes #4285
* bsps: Always install IPI in SMP configsSebastian Huber2020-08-311-10/+4
| | | | | | | The inter-processor interrupt (IPI) may be used to process per-CPU jobs. See for example the blocked handler in T_interrupt_test(). Update #3199.
* bsps: Rework work area initializationSebastian Huber2020-02-041-11/+25
| | | | | | | | | | | | | | | | | | | | The work area initialization was done by the BSP through bsp_work_area_initialize(). This approach predated the system initialization through the system initialization linker set. The workspace and C program heap were unconditionally initialized. The aim is to support RTEMS application configurations which do not need the workspace and C program heap. In these configurations, the workspace and C prgram heap should not get initialized. Change all bsp_work_area_initialize() to implement _Memory_Get() instead. Move the dirty memory, sbrk(), per-CPU data, workspace, and malloc() heap initialization into separate system initialization steps. This makes it also easier to test the individual initialization steps. This change adds a dependency to _Heap_Extend() to all BSPs. This dependency will be removed in a follow up change. Update #3838.
* bsps: Remove uses of BSP_GET_WORK_AREA_DEBUGSebastian Huber2020-02-041-28/+0
| | | | | | | | | The code covered by BSP_GET_WORK_AREA_DEBUG was basically dead code since there was no normal way to activate it (e.g. via a BSP configuration option). A follow up patch will bring back this feature through a CONFIGURE_VERBOSE_SYSTEM_INITIALIZATION configuration option. Update #3838.
* bsps: Adjust shared Doxygen groupsSebastian Huber2019-03-083-9/+9
| | | | Update #3706.
* bsps: Adjust architecture Doxygen groupsSebastian Huber2019-03-041-8/+8
| | | | | | | | | | - Use CamelCase as it is not used in our C code. Enables simple search and replace. - Prefix with "RTEMS" to aid deployment and integration. It aids searching and sorting. Update #3706.
* grlib: Move source filesSebastian Huber2019-01-2266-49217/+0
| | | | Update #3678.
* grlib: Move header filesSebastian Huber2019-01-2268-227/+229
| | | | Update #3678.
* bsps/sparc: Fix warningsSebastian Huber2018-12-2110-34/+65
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* bsps/sparc: Fix typoSebastian Huber2018-12-211-1/+1
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* bsps/sparc: Add grlib_malloc(), grlib_calloc()Sebastian Huber2018-12-2136-139/+148
| | | | This avoids a dependency to errno in device driver code.
* bsps/sparc: Add and use <grlib_impl.h>Sebastian Huber2018-11-2722-422/+34
| | | | Reduce copy and paste.
* score: Rename interrupt stack symbolsSebastian Huber2018-11-081-2/+2
| | | | | | | | | | | | | Rename * _Configuration_Interrupt_stack_area_begin in _ISR_Stack_area_begin, * _Configuration_Interrupt_stack_area_end in _ISR_Stack_area_end, and * _Configuration_Interrupt_stack_size in _ISR_Stack_size. Move definitions to <rtems/score/isr.h>. The new names are considerable shorter and in the right namespace. Update #3459.
* leon, spwtdp: Initial driver commitJavier Jalle2018-10-091-0/+1022
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* Use rtems_task_exit()Sebastian Huber2018-10-021-1/+1
| | | | | Update #3530. Update #3533.
* leon: remove warning missing string.hDaniel Hellstrom2018-09-201-0/+1
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* leon, grspw_pkt: support CCSDS/ISO16 data CRCMartin Aberg2018-09-201-0/+3
| | | | | | When the CCSDS/CCITT CRC-16 and 16-bit ISO-checksum logic is available in GRSPW2, the DCRCT field is used to determine how to generate the CRC/checksum code. grspw_hw_sup has been extended with the field ccsds_crc
* leon,grspw_pkt: protect TX descriptor from bad input (hdrlen)Daniel Hellstrom2018-09-201-1/+2
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* leon, l2cache: workaround for scrubberMartin Aberg2018-09-201-0/+8
| | | | | | | | | | This is a workaround for a L2CACHE scrubber corner case described in GR740 User's Manual, Version 1.10, section 43.2.30. The issue affects some version of the L2CACHE. However, since the performance impact of the workaround is marginal, special device probing logic has been avoided. In addition, this update does not affect users who enable the L2CACHE and scrubber before RTEMS is started.
* leon: substitute printf with printk in driver initDaniel Hellstrom2018-09-2014-60/+60
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* leon3, ckinit: avoid unsued code warnings when drvmgr is enabledDaniel Hellstrom2018-09-201-3/+6
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* network: Use kernel/user space header filesSebastian Huber2018-09-101-2/+1
| | | | | | | | | | Add and use <machine/rtems-bsd-kernel-space.h> and <machine/rtems-bsd-user-space.h> similar to the libbsd to avoid command line defines and defines scattered throught the code base. Simplify cpukit/libnetworking/Makefile.am. Update #3375.
* leon,grspw_pkt: remove incorrect comment on SMP not being testedDaniel Hellstrom2018-08-241-1/+1
| | | | | | To clarify, SMP with GRSWP_PKT driver API has been extended to take advantage of multi-core, is now SMP-safe, and has been tested on GR740.
* leon,apbuart: replace termios c_cflag & CBAUD with c_{i,o}speedDaniel Hellstrom2018-08-241-61/+3
| | | | | | | | | | | ince some time RTEMS started to use the termios c_ispeed and c_ospeed variables in the termios struct to hold the UART baudrate. However the APBUART driver still uses the old c_cflag sometimes causing other UART parameters to get overwritten, for example the partiy setting no mapped to the same bits as the old CBAUD mask. At the same time the RTEMS primitievs for setting/reading c_{i,o}speed is now used.
* leon,greth: enable MAC filtering (promiscous mode, multicast)Daniel Hellstrom2018-08-241-1/+98
| | | | | | | | | | | | | | | | It enabled promiscous mode or sets the multicast filter according to the configuration and parameters to ioctl(SIOCSIFFLAGS), ioctl(SIOCADDMULTI) and ioctl(SIOCDELMULTI). On SIOCADDMULTI/SIOCDELMULTI requests the greth ioctl calls the Ethernet helper functions ether_addmulti()/ether_delmulti() which tells the greth driver when its required to update the MAC multicast filtering. The interface notifies support for multicast by setting IFF_MULTICAST. The GRETH has two registers which contains a bit-mask of allowed MAC addresses. The incomming MAC address is CRC:ed and the CRC is used as an index into the bit-mask to determine to allow or drop the frame.
* leon, greth: 10/100 MAC enable TX BD interruptDaniel Hellstrom2018-08-241-5/+5
| | | | | | | Missed to enable interrupt per TX descriptor. Could lead to TX buffer starvation. Does not affect the GBit code.
* sparc,smp: typo in start.S causing SMP not workingDaniel Hellstrom2018-08-241-1/+1
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* bsps/sparc: Move polled APBUART functionsSebastian Huber2018-08-103-104/+52
| | | | This reduces the link-time dependencies and avoids copy-and-paste.
* bsps/sparc: Fix typo in start.SSebastian Huber2018-08-011-1/+1
| | | | | Fix typo in start.S introduced by 4678d1a8b0e74a12809122ef071324c99e78d7ff.
* bsps: bsp_start_on_secondary_processor()Sebastian Huber2018-07-251-0/+1
| | | | | | Pass current processor control as first parameter in bsp_start_on_secondary_processor() and qoriq_start_thread() to make dependency more explicit.
* Rework initialization and interrupt stack supportSebastian Huber2018-06-272-8/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Statically initialize the interrupt stack area (_Configuration_Interrupt_stack_area_begin, _Configuration_Interrupt_stack_area_end, and _Configuration_Interrupt_stack_size) via <rtems/confdefs.h>. Place the interrupt stack area in a special section ".rtemsstack.interrupt". Let BSPs define the optimal placement of this section in their linker command files (e.g. in a fast on-chip memory). This change makes makes the CPU_HAS_SOFTWARE_INTERRUPT_STACK and CPU_HAS_HARDWARE_INTERRUPT_STACK CPU port defines superfluous, since the low level initialization code has all information available via global symbols. This change makes the CPU_ALLOCATE_INTERRUPT_STACK CPU port define superfluous, since the interrupt stacks are allocated by confdefs.h for all architectures. There is no need for BSP-specific linker command file magic (except the section placement), see previous ARM linker command file as a bad example. Remove _CPU_Install_interrupt_stack(). Initialize the hardware interrupt stack in _CPU_Initialize() if necessary (e.g. m68k_install_interrupt_stack()). The optional _CPU_Interrupt_stack_setup() is still useful to customize the registration of the interrupt stack area in the per-CPU information. The initialization stack can reuse the interrupt stack, since * interrupts are disabled during the sequential system initialization, and * the boot_card() function does not return. This stack resuse saves memory. Changes per architecture: arm: * Mostly replace the linker symbol based configuration of stacks with the standard <rtems/confdefs.h> configuration via CONFIGURE_INTERRUPT_STACK_SIZE. The size of the FIQ, ABT and UND mode stack is still defined via linker symbols. These modes are rarely used in applications and the default values provided by the BSP should be sufficient in most cases. * Remove the bsp_processor_count linker symbol hack used for the SMP support. This is possible since the interrupt stack area is now allocated by the linker and not allocated from the heap. This makes some configure.ac stuff obsolete. Remove the now superfluous BSP variants altcycv_devkit_smp and realview_pbx_a9_qemu_smp. bfin: * Remove unused magic linker command file allocation of initialization stack. Maybe a previous linker command file copy and paste problem? In the start.S the initialization stack is set to a hard coded value. lm32, m32c, mips, nios2, riscv, sh, v850: * Remove magic linker command file allocation of initialization stack. Reuse interrupt stack for initialization stack. m68k: * Remove magic linker command file allocation of initialization stack. Reuse interrupt stack for initialization stack. powerpc: * Remove magic linker command file allocation of initialization stack. Reuse interrupt stack for initialization stack. * Used dedicated memory region (REGION_RTEMSSTACK) for the interrupt stack on BSPs using the shared linkcmds.base (replacement for REGION_RWEXTRA). sparc: * Remove the hard coded initialization stack. Use the interrupt stack for the initialization stack on the boot processor. This saves 16KiB of RAM. Update #3459.
* bsps: Support .rtemsstack.* linker input sectionsSebastian Huber2018-06-271-0/+3
| | | | | | Use a dedicated memory region or place it between the BSS and workspace. Update #3459.
* Remove Clock_driver_support_shutdown_hardware()Sebastian Huber2018-06-271-14/+0
| | | | | | | | | | | | | | | | | The aim of this clock driver hook was to stop clock tick interrupts at some late point in the exit() procedure. The use of atexit() pulls in malloc() which pulls in errno. It is incompatible with the intention of the CONFIGURE_DISABLE_NEWLIB_REENTRANCY configuration option. The exit() function must be called from thread context, so accompanied clock tick interrupts should cause no harm. On the contrary, someone may assume a normal operating system operation, e.g. working timeouts. Remove the Clock_driver_support_shutdown_hardware() clock driver hook. Close #3436.
* bsps/sparc: Move shared files to bspsSebastian Huber2018-04-2070-0/+50057
| | | | | | This patch is a part of the BSP source reorganization. Update #3285.
* bsps: Move benchmark timer to bspsSebastian Huber2018-04-203-0/+1074
| | | | | | This patch is a part of the BSP source reorganization. Update #3285.
* bsps: Move startup files to bspsSebastian Huber2018-04-204-0/+330
| | | | | | | | Adjust build support files to new directory layout. This patch is a part of the BSP source reorganization. Update #3285.
* bsps: Move start files to bspsSebastian Huber2018-04-201-0/+374
| | | | | | This patch is a part of the BSP source reorganization. Update #3285.
* bsps: Move doxygen.h files to bspsSebastian Huber2018-04-201-0/+15
This patch is a part of the BSP source reorganization. Update #3285.
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