Subversion Repositories openrisc

2009-03-06  John Dallaway  

        * cdl/hal_arm.cdl: Merge goals for CYGHWR_THUMB and

        CYGBLD_ARM_ENABLE_THUMB_INTERWORK to allow selective application

        of CDL solutions within the eCos Configuration Tool.

2009-02-14  Jonathan Larmour  

        * src/vectors.S: Use .type xxx, function everywhere where

        a global associated with code is defined. Otherwise objdump

        treats it as data.

2009-02-09  Nick Garnett  

        * src/vectors.S (start): The loop to initialize BSS was using a

        BLS to terminate. This caused an extra zero to be stored beyond

        the end of __bss_end. Usually this is benign, but when __bss_end

        is at the very top of RAM, and the hardware generates an exception

        for illegal accesses, this can crash the program before it even

        starts. The fix is to use a BHI instructions and reverse the

        compare, which will terminate the loop 1 word earlier.

2009-02-02  Bart Veer  

        * cdl/hal_arm.cdl: add new architectural CFLAGS and LDFLAGS

        options.

2008-10-07  Jonathan Larmour  

        * src/arm.ld: Discard C++ EH-related sections when we can't

        possibly support C++ EH (no CYGPKG_LIBSTDCXX).

2008-09-27  Jonathan Larmour  

        * src/hal_mk_defs.c: Also export HAL_BREAKINST_THUMB and

        HAL_BREAKINST_ARM to asm.

        * src/arm.ld: Revise alignment yet further. Maintain ALIGN_LMA

        at original value, but define alignment for use in compliance

        with AAPCS. Expand explanatory comments.

        (SECTION_text): Comply with AAPCS alignment when inserting

        .ARM.extab and .ARM.exidx.

2008-09-17  Jonathan Larmour  

        * src/arm.ld: Rework alignment further to improve backward

        compatibility. Improve commenting on alignment issues.

2008-08-26  Jonathan Larmour  

        * src/arm.ld: We need to be double-word aligned sometimes, so align

        LMA the same way too.

2008-07-24  Jonathan Larmour  

        * cdl/hal_arm.cdl (CYGBLD_HAL_ARM_EABI): EABI has a different C++

        EH implementation, so don't let LIBSTDCXX use the default one.

2008-06-04  Jonathan Larmour  

        * src/vectors.S: Correctly conditionalise overwriting (or not)

        of reset vector.

2008-05-28  Jonathan Larmour  

        * src/hal_misc.c (CONSTRUCTORS_END): Fix fencepost error.

2008-05-19  Jonathan Larmour  

        * include/arm_stub.h: Remove CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION

        and CYG_HAL_GDB_LEAVE_CRITICAL_IO_REGION defines which should remain

        as their defaults.

        * src/arm.ld: Add SECTION_hal_vsr_table for targets which need the

        VSR table in a different location to the rest of the fixed vectors.

        * src/vectors.S: Allow hal_platform_setup.h to define

        CYGHWR_HAL_ARM_SEPARATE_VSR_TABLE to allow move of hal_vsr_table

        to its own section at a different address.

2008-05-12  Jonathan Larmour  

        * src/hal_mk_defs.c (main): Export exception vector info

        to asm.

        * src/arm.ld: Remove previous EABI support and instead use a

        different approach incorporating into existing SECTION macros for

        better backward compatibility.

        * src/hal_misc.c (cyg_hal_invoke_constructors): Rewrite init_array

        support for EABI.

        There is now nothing copyrightable remaining from Chris Zimman's

        earlier work in this package.

2008-05-09  Jonathan Larmour  

        * cdl/hal_arm.cdl: Rename EABI option. Set default from

        toolchain prefix and flags. Rewrite description.

        * include/hal_arch.h: Rename exception vector addresses to

        names less likely to potentially clash with applications.

        * src/vectors.S: Update vector address names in line with

        hal_arch.h change. Rename CYGNUM_HAL_VECTOR_TABLE ->

        CYGHWR_HAL_VECTOR_TABLE_BASE.

2008-05-09  Chris Zimman  

2008-05-09  Jonathan Larmour  

        Some of the following changes were inspired by work from Chris

        Zimman. Further changes were also provided, but have not been

        included because either they are cosmetic (whitespace changes

        etc.) and thus will only make it more difficult to merge in future

        updates from public eCos code base in future, increase code size

        for those who don't need it, or break compatibility with public

        eCos.

        * cdl/hal_arm.cdl: Add EABI build option.

        * include/hal_arch.h: Add extra CPSR definitions, and exception

        vector addresses.

        * src/arm.ld: Add EABI support.

        * src/hal_misc.c: Add EABI constructor support.

        * src/vectors.S: Allow variant/processor/platform to specify

        alternate vector table base. Use pretty names from hal_arch.h

        for vector offset/addresses.

2007-10-15  Sergei Gavrikov 

        * cdl/hal_arm.cdl: Use ACTUAL_CFLAGS whenever possible to avoid

        warnings and complaints from newer compilers.

2007-09-11  Andrew Lunn  

        * src/hal_misc.c: Include  to prevent compiler

        warning when CYGHWR_HAL_ARM_DUMP_EXCEPTIONS is enabled.

        Reported by Sergei Gavrikov 

2007-02-03  Sergei Gavrikov  

        * src/vectors.S: Added a possibility to fix ARM vector 0x14

        (unused vector). Some platforms need itself in that.

2007-01-09  Sergei Gavrikov  

        * src/arm-stub.c: Added string.h header (`memcpy' declaration).

2006-09-06  Daniel Néri  

        * include/basetype.h: (CYG_DOUBLE_BYTEORDER): Add proper

        definition for VFP floating point format (uses "natural" byte

        order) on little-endian ARM.

2006-02-06  Sergei Organov  

        * src/vectors.S: disable FIQ in IRQ handler to fix race condition

        of recursively entering IRQ handler through FIQ handler. Remove

        unreferenced handle_IRQ_or_FIQ label.

2006-01-18  Jay Foster    

        * src/context.S (hal_thread_switch_context): Close race condition

        that could cause corruption of the sp or lr registers.

2005-04-21  Ian Campbell  

        * src/redboot_linux_exec.c: Added -t option which takes the

        physical address to copy to. Very useful for booting non-Linux

        operating systems.

2005-03-03  Andrew Lunn  

        * src/redboot_linux_exec.c (CYGARC_HAL_MMU_OFF_X): Fix compiler

        warning about spaces after continuation character.

2004-11-23  Jani Monoses 

        * src/vectors.S: Allow DSRs in non-kernel configuration.

2004-10-07  Andrew Lunn  

        * src/arm_stub.c (target_ins): Added a cast to prevent a compiler

        warning.

2004-09-02  Mark Salter  

        * cdl/hal_arm.cdl (CYGHWR_REDBOOT_LINUX_EXEC_X_SWITCH): New

        option used to enable "-x" option to exec command.

        * src/redboot_linux_exec.c (do_exec): Add support for booting

        kernels built for endianess oppposite of RedBoot.

2004-07-07  Gary Thomas  

        * src/redboot_linux_exec.c (do_exec): Fix test for valid entry

        (was being overwritten by command line parameter)

2004-05-27  Gary Thomas  

        * src/redboot_linux_exec.c (do_exec): Be sensitive to value in

        "entry_address" as this can indicate if the image to be executed

        is valid (the "load" functions set it to "NO_MEMORY" when invalid)

2004-05-24   Ian Campbell 

        * src/hal_misc.c: __mem_fault_handler: Only do this if we have

        CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS. This allows the HAL to be

        compiled without stubs.

2004-04-22  Jani Monoses 

         * cdl/hal_arm.cdl :

         Invoke tail with stricter syntax that works in latest coreutils.

2003-11-05  Roland Caßebohm  

        * include/hal_io.h: If defined HAL_IO_MACROS_NO_ADDRESS_MUNGING

        use macros which don't mung the addresses even if the platform

        is big-endian. Platforms which don't need address munging can

        just define HAL_IO_MACROS_NO_ADDRESS_MUNGING in plf_io.h .

2003-10-23  Thomas Koeller  

        * src/vectors.S: Acknowlege spurious interrupts.

2003-10-13  Thomas Koeller  

        * src/vectors.S: Fixed broken thumb mode exception handling.

2003-06-30  Mark Salter  

        * src/vectors.S: Fix CYGOPT_HAL_ARM_PRESERVE_SVC_SPSR handling.

2003-06-24  Jonathan Larmour  

        * include/hal_arch.h: Include plf_arch.h or var_arch.h if platform

        or variant requires it to do overrides.

        (HAL_IDLE_THREAD_ACTION): Default to empty statement but allow to be

        overridden.

        * src/hal_misc.c: Remove hal_idle_thread_action. It's no use.

2003-05-06  Pierre Habraken  

        * src/arm_stub.c (target_ins, target_thumb_ins): Added code to

        enable stepping into swi instructions.

        * cdl/hal_arm.cdl: Added option CYGOPT_HAL_ARM_PRESERVE_SVC_SPSR for

        securing exception and breakpoint processing triggered during

        execution of application specific SWI handlers. Added option

        CYGOPT_HAL_ARM_WITH_USER_MODE for supporting programs running in

        user mode.

        * src/vectors.S (return_from_exception): Added code to exception

        handling for preserving svc spsr before returning to svc mode.

        Added code to allow exceptions in user mode.

        (call_exception_handler, handle_IRQ_or_FIQ): Added code to allow

        exceptions in user mode.

        * include/hal_arch.h: Defined CPSR_USER_MODE.

        * src/hal_mk_defs.c.: Added definition for CPSR_USER_MODE.

2003-04-30  Jonathan Larmour  

        * src/vectors.S (handle_IRQ_or_FIQ): Tweak below to be conditional on

        __thumb__.

2003-04-26  Daniel Néri  

        * vectors.S (handle_IRQ_or_FIQ):

        Use thumb-aware call to hal_spurious_IRQ.

2003-04-13  Bart Veer  

        * src/vectors.S (start): fix build problem with -mthumb

2003-03-11  Mark Salter  

        * src/redboot_linux_exec.c (do_exec): Call eth_drv_stop as necessary.

2003-02-13  Mark Salter  

        * src/redboot_linux_exec.c (do_exec): Add missing semicolon.

2003-02-13  Gary Thomas  

        * src/redboot_linux_exec.c (CYGHWR_REDBOOT_LINUX_ATAG_MEM):

        Add CYG_MACRO_START/END markers.

2003-02-12  Gary Thomas   inspired by

2003-02-12  Robin Farine 

        * src/redboot_linux_exec.c: Allow platform to override memory layout.

        Also, give error if no "-b" option and base/load address unknown.

2003-02-06  Gary Thomas  

        * src/redboot_linux_exec.c: Make sure RAM description is sane.

2003-01-31  Mark Salter  

        * src/hal_syscall.c (hal_syscall_handler): Let generic syscall code

        handle exit.

2003-01-17  Patrick Doyle  

        * src/redboot_linux_exec.c (do_exec): Round the length up to a

        multiple of 4 so that the copy loop (which decrements the count by

        4 each time through) runs a finite length of time.

        Fixed the calculation of params->u.mem.size so that it doesn't

        double the memory size if it is already a power of two.

2003-01-06  Patrick Doyle  

        * src/redboot_linux_exec.c (do_exec): Added support for, and

        changed to use, ATAG_INITRD2 instead of ATAG_INITRD.  ATAG_INITRD

        specifies the virtual address of the ramdisk while ATAG_INITRD2

        specifies the physical address.

2002-12-11  Mark Salter  

        * include/hal_io.h: Allow variant or platform HALs to override

        default IO macros.

2002-11-12  Mark Salter  

        * src/arm_stub.c (target_ins): Account for PC prefetch when PC is

        source register in data processing insns.

2002-08-29  Mark Salter  

        * src/vectors.S: Avoid entering thumb mode in exception handlers.

2002-08-27  Mark Salter  

        * src/arm.ld: Undefine arm to avoid problem with .note.arm.ident.

2002-08-22  Mark Salter  

        * src/arm.ld: Add .note.arm.ident section used by tools to identify

        architecture variants.

2002-08-21  Mark Salter  

        * src/arm_stub.c: Add support for large registers (e.g. FPU).

        * include/arm_stub.h: Add infrastructure for support of coprocessors.

        * include/hal_arch.h: Ditto.

2002-08-02  Andrew Lunn 

        * cdl/hal_arm.cdl: Redboot exec command can now be disabled by CDL

2002-07-15  Mark Salter  

        * include/arm_stub.h: Comment out NUMREGBYTES.

2002-05-28  Mark Salter  

        * cdl/hal_arm.cdl: Tweaked description for

        CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS.

        Add CYGHWR_REDBOOT_ARM_LINUX_TAGS_ADDRESS.

        * src/redboot_linux_exec.c (do_exec): Rework transition to MMU

        off and jump to kernel so that it works for non 1-1 mapped

        platforms.

2002-05-20  Gary Thomas  

        * include/hal_io.h: Fix ...STRING macros - not using index.

        Pointed out by Thomas Koeller .

2002-05-09  Nick Garnett  

        * src/vectors.S (handle_IRQ_or_FIQ): Save SVC mode LR in interrupt

        handling as well as exceptions.

        * src/context.S (hal_thread_switch_context): Use correct size

        for skipping new HAL_SavedRegisters fields.

2002-05-08  Jonathan Larmour  

        * cdl/hal_arm.cdl: Remove -malignment-traps here - add it only from

        packages when needed.

2002-05-08  Nick Garnett  

        * src/vectors.S: Added code to save and restore value of SVC mode

        LR during exception processing. If the exception comes from a

        non-SVC mode then handling it originally corrupted the SVC mode

        LR. If the program subsequent returned to SVC mode it was likely

        to have problems. The registers for modes other than SVC and the

        exception mode are not touched, so we do not have to save/restore

        those.

        * src/hal_mk_defs.c: Added definitions for armreg_r10 and

        armreg_svclr.

        * include/hal_arch.h: Added svc_lr field to HAL_SavedRegisters to

        save SVC mode link register during exception handling.

2002-04-30  Jesper Skov  

        * cdl/hal_arm.cdl: Forcibly add -malignment-traps to the compiler

        options to work around problem with recent compiler. This can be

        removed when the tools are respun.

2002-04-29  Jonathan Larmour  

        * src/vectors.S:

        Don't use .file as it can confuse debugging since the .file

        doesn't contain the path and therefore the debugger will never

        know where it lives! This conflicts with using -Wa,--gstabs.

2002-04-25  Gary Thomas  

        * src/vectors.S: Safer clearing of BSS.

2002-04-15  Jonathan Larmour  

        * src/hal_syscall.c (hal_syscall_handler): Add extra sig argument to

        __do_syscall.

2002-04-15  Mark Salter  

        * src/vectors.S: Rewrite exception handling to allow exceptions

        in any privileged mode.

        * src/hal_mk_defs.c (main): Add some regs.

        * include/hal_arch.h (HAL_SavedRegisters): Slight rearrangement.

        * src/context.S (hal_thread_switch_context): Use new context layout.

        (hal_thread_load_context): Ditto.

2002-04-11  Jesper Skov  

        * src/arm.ld: Fixed .sbss rule.

2002-04-10  Jonathan Larmour  

        * src/arm.ld: Define .gnu.linkonce sections properly.

        Remove sbss from data section.

2002-03-27  Gary Thomas  

        * src/vectors.S: Use interrupt stack during system initialzation

        if configured since this stack will be much larger than the default

        idle thread stack.  Some configurations (think networking) may use

        lots of stack space during system startup and the assumption that

        the idle thread stack does not need much space fails miserably.

2002-02-19  Mark Salter  

        * src/arm_stub.c (target_thumb_ins): Check architecture version

        to decide how to handle pop insn.

        (v5T_semantics): New function. Returns true for v5 and later.

2002-02-08  Jesper Skov  

        * src/arm_stub.c (target_thumb_ins): The result of a POP

        instruction changing the PC must be the address of a THUMB

        instruction.

2002-01-29  Jesper Skov  

        * src/redboot_linux_exec.c: Include hal_io.h instead of CRUFT_H.

        (do_exec): Add nops after loop copying trampoline code. Removed

        one argument to the assembly: code only works if virt==phys

        mapping anyway. This should be rewritten to be safe for all

        possible targets.

2002-01-28  Jesper Skov  

        * include/hal_io.h: Include var_io.h if present, otherwise include

        plf_io.h. This makes the ARM HAL match the other HALs better in

        this regard, allowing platform IO definitions to override variant

        IO definitions while allowing sharing code between platforms of

        the same variant.

2002-01-25  Jesper Skov  

        * cdl/hal_arm.cdl: Added RedBoot options.

        * src/redboot_linux_exec.c: Added generic version of the RedBoot

        exec command to be shared by all ARM platforms. Still needs some

        cleaning up after CYGARC_ memory macros find their proper home.

2002-01-08  Hugo Tyson  

        * cdl/hal_arm.cdl (CYGOPT_HAL_ARM_SYSCALL_GPROF_SUPPORT): New

        option, implements CYGINT_REDBOOT_BSP_SYSCALLS_GPROF_SUPPORT so

        RedBoot knows we can do this.  Only active if indeed we can.

        * include/hal_arch.h (HAL_GET_PROFILE_INFO): New macro, to extract

        the interrupted PC and SP from a struct HAL_SavedRegisters.  Used

        for histogram-style profiling.

2001-11-02  Hugo Tyson  

        * include/arm_stub.h (CYG_HAL_GDB_LEAVE_CRITICAL_IO_REGION): Nasty

        bodge to fix a tools issue where an "unused" label is migrated to

        where some real code is, ie. the wrong place in this case.

        Problem applies to arm9e-elf tools and other arm variants also.

2001-10-29  Hugo Tyson  

        * src/arm.ld (SECTION_rom_vectors): Define symbols used for ROMRAM

        startup; for some reason these were not in the trunk.  They are:

        __rom_vectors_vma and __rom_vectors_lma

2001-10-24  Gary Thomas  

        * src/hal_misc.c (hal_msbindex): Fix calculation.

2001-10-23  Hugo Tyson  

        * include/hal_mmu.h (MMU_Control_Z,F,RR): Some extra defines for

        newer ARM architectures.

2001-10-11  Fabrice Gautier  

        * include/hal_io.h: Add _STRING variants of I/O macros to allow

        writing of consecutive items to the same registers.

2001-10-02  Jonathan Larmour  

        * include/hal_arch.h: Remove CYG_HAL_TABLE_BEGIN and CYG_HAL_TABLE_END

        as the common versions are acceptable.

2001-10-01  Jonathan Larmour  

        * src/arm.ld: Make separate section for GOT and .eh_frame.

        Make macro section for all reloc sections.

        Input extras.o unconditionally.

        * cdl/hal_arm.cdl: Don't bother with -DEXTRAS=1 - unconditional now.

2001-08-24  Mark Salter  

        * src/arm_stub.c (target_thumb_ins): Add support for pop insn.

2001-08-21  Hugo Tyson  

        * include/hal_intr.h: Only define HAL_CLOCK_LATENCY() if it's not

        defined already (if it's needed at all).  This is for platforms

        which need a separate routine, such as sa11x0.

2001-07-19  Gary Thomas  

        * src/vectors.S: Support ROMRAM startup mode.  Note: most of

        the support for this mode will be in the platform setup code.

2001-07-18  Gary Thomas  

        * src/hal_mk_defs.c (main): FIQ no longer listed as an exception.

2001-07-17  Jonathan Larmour  

        * include/hal_intr.h: Define range of exceptions more accurately.

2001-07-16  Gary Thomas  

        * src/hal_misc.c (exception_handler): Allow memory faults to be

        caught, even when GDB stubs are not included.

2001-06-22  Gary Thomas  

        * include/arm_stub.h (NUMREGBYTES): Define - this tells GDB how

        large it's communications buffers need to be.

2001-06-05  Gary Thomas  

2001-06-05  Thomas Fähnle 

        * src/vectors.S (spurious_IRQ): Better handling of spurious ints.

        Pass register frame to handler.

2001-05-23  Gary Thomas  

        * src/vectors.S: Allow platforms to define a 'preamble' which gets

        included _before_ the vectors.  This is often required for modules

        which are run from ROM/Flash.

2001-04-30  Gary Thomas  

        * src/vectors.S (__exception_handlers): Platforms must explicitly

        define CYGSEM_HAL_ROM_RESET_USES_JUMP if required.

2001-04-27  Hugo Tyson  

        * src/vectors.S: Platforms without CYGHWR_HAL_ARM_HAS_MMU defined

        require that the reset jump be straight up to ROM.  So you can't

        just use a local branch.  This is needed to make RedBoot in the

        EBSA285 work, for example.

2001-04-19  Gary Thomas  

        * cdl/hal_arm.cdl: Fix typo for ARM9 systems.

2001-04-18  Gary Thomas  

        * src/vectors.S: Add new flag 'CYG_HAL_ROM_RESET_USES_JUMP' to control

        how RESET is handled.  This is normally set for ROM applications, but

        can be overridden by platform code for situations when it is unsuitable

        to have a branch as the RESET instruction.

2001-04-16  Gary Thomas  

        * cdl/hal_arm.cdl: Add new interfaces to describe CPU family and

        option possiblities.

2001-04-07  Mark Salter  

        * src/arm_stub.c: Add support for v5T BLX insn.

2001-03-30  Mark Salter  

        * src/vectors.S (__exception_handlers): Don't use relative branch

        for reset on iq80310.

2001-03-28  Hugo Tyson  

        * src/vectors.S (__GDB_stack_base): Increase stubs stack size to

        "enough".  We tend to have either RedBoot (with no interrupt

        stack) or an app (with no stubs stack) these days, so I used

        CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE.  It defaults to 4k in

        RedBoot which is enough compared to the previous hard-wired 1k.

        The overflow occurred in RedBoot, with i82559 ether driver, during

        GDB connection - but manifested as "network stack out of buffers"

        because of a recursion in trying to report a trap.

2001-02-24  Gary Thomas  

        * include/hal_mmu.h (MMU_Control_X): Add - used by Win/CE.

        * src/vectors.S (__exception_handlers): Change RESET vector

        to use jump for ROM based applications [safer].

        (warm_reset): Only do 'swi' contortions when starting RAM

        applications from Angel.

2001-02-22  Jesper Skov  

        * src/arm.ld: Relocate .2ram sections to the .data section.

2001-02-20  Jesper Skov  

        * cdl/hal_arm.cdl: Added CYGBLD_ARM_ENABLE_THUMB_INTERWORK.

2001-02-13  Gary Thomas  

        * src/vectors.S (handle_IRQ_or_FIQ): Change behaviour for

        handling spurious interrupts.

        * src/hal_misc.c (hal_spurious_IRQ): New function - called

        when a spurious interrupt is detected.  Defined as "weak"

        so platforms can provide localized support.

        * src/hal_mk_defs.c:

        * include/hal_intr.h (CYGNUM_HAL_INTERRUPT_NONE): Define.

2001-02-09  Hugo Tyson  

        * src/vectors.S (UNMAPPED()): Handle CYGHWR_HAL_ROM_VADDR if so

        defined; this is used when compiling for a different location from

        the base of ROM.  hal_platform_setup.h might define it.  For

        example, if flash is from 0x50000000 upwards (as on SA11x0), and

        we are to execute at 0x50040000, then we want the reset vector to

        point to 0x0004pqrs - the unmapped ROM address of the code -

        rather than 0x0000pqrs, which is the offset into our flash block.

        But usually it's not defined, so the behaviour is the obvious.

2001-02-08  Jesper Skov  

        * include/arm_vv.h: Removed again, compiler does magic to thumb

        function pointers.

        * include/hal_arch.h: Same.

2001-02-07  Jesper Skov  

        * include/arm_vv.h: Added virtual vector accessor macros that will

        properly mangle function pointers in thumb mode.

        * include/hal_arch.h: Include arm_vv.h

        * src/vectors.S: ctrlc_init can be called for thumb now (but

        requires ROM monitor to be built with -mthumb-interwork)

2001-02-02  Mark Salter  

        * src/arm_stub.c (__arm_breakinst): New ARM breakpoint insn.

        (__thumb_breakinst): New thumb breakpoint insn.

        (__is_bsp_syscall): Check for actual SWI number and support

        thumb.

        * include/hal_arch.h (HAL_BREAKINST_ADDR): New macro to provide

        address of correct breakpoint insn of the given length.

2001-02-01  Jesper Skov  

        * src/hal_misc.c: Don't use diag_printf directly (rely on tracing

        macros).

2001-01-31  Mark Salter  

        * src/vectors.S (FIQ): Fix broken fiq handling.

2001-01-31  Jesper Skov  

        * cdl/hal_arm.cdl:  Get rid of CYGDBG_HAL_DIAG_DISABLE_GDB_PROTOCOL

        options. They are replaced by the

        CYGSEM_HAL_DIAG_MANGLER option.

2001-01-24  Jonathan Larmour  

        * src/vectors.S (init_flag): Add explicit alignment, just in case.

        From Ilko Iliev 

2001-01-11  Hugo Tyson  

        * src/vectors.S (hal_dram_size): Create hal_dram_type in memory at

        0x44, right after hal_dram_size.

        * include/hal_intr.h: Add an extern for the word at 0x44, named

        hal_dram_type (as in hal_dram_size).  This can be used for

        platform HALs to know how to decode VIRT_TO_PHYS addresses and

        vice versa.

2000-12-13  Hugo Tyson  

        * include/hal_intr.h: Handle variant-, and possible overriding

        platform-, specific interrupt files .

        This is to simplify the multiple SA11x0 targets which have no

        variation there.

2000-12-11  Gary Thomas  

        * src/vectors.S (warm_reset): 'hal_dram_size' is now only set in

        platform code - no need to mess with (pure pollution) it here.

2000-11-19  Gary Thomas  

        * include/hal_io.h: Use CYGBLD_HAL_PLATFORM_IO_H for those platforms

        which define it (relieves this file of messy includes).

2000-11-16  Jesper Skov  

        * include/basetype.h: Define LABEL mangling macros.

        * include/arch.inc: Added.

2000-11-06  Mark Salter  

        * src/hal_syscall.c: New file. Arm interface to redboot's

        handler for GNUPro based application library syscalls.

        * src/arm_stub.c (__is_bsp_syscall): New function. Return

        true if exception caused by bsp SWI.

        * include/arm_stub.h: Add declaration for __is_bp_syscall.

        * cdl/hal_arm.cdl: Add hal_syscall.c to compile list.

2000-11-04  Mark Salter  

        * include/hal_io.h: Include cyg/hal/plf_io.h for IQ80310.

        * src/arm_stub.c (__computeSignal): New interface for

        HAL_STUB_IS_STOPPED_BY_HARDWARE

2000-10-27  Mark Salter  

        * src/arm_stub.c: Removed uneccesary include.

        * src/vectors.S (start): Fix use of registers which may have

        been destroyed by an LED macro.

2000-10-26  Mark Salter  

        * src/arm_stub.c (__computeSignal): Add hook for platforms to

        check for hw watchpoint/breakpoint events.

        (__install_breakpoints): Support HAL breakpoint list.

        (__clear_breakpoints): Ditto.

        * include/hal_arch.h (HAL_BREAKINST_TYPE): Define. Needed by

        hw watchpoint/breakpoint support in stub.

2000-10-20  Jesper Skov  

        * src/hal_misc.c: Update __mem_fault_handler declaration.

2000-09-05  Andrew Lunn 

        * include/basetype.h: Override the alignment macros for the ARM

        architecture. The ARM compiler only alows a maximum of 4 bytes

        of alignment where as the default is 8

2000-08-15  Hugo Tyson  

        * src/arm.ld (SECTION_text): Change it back so that

        infra/... range checking can see them.  _stext and _etext as seen

        from C are the eventual destination, so this is a step in the

        right direction.  You must hack if building redboot, for now.

2000-08-14  Hugo Tyson  

        * src/arm.ld (SECTION_text): Change to stext and etext unadorned

        with underlines so that RedBoot can see them.

2000-08-14  Gary Thomas  

        * include/hal_arch.h:

        * src/arm.ld: Changes to support new [anonymous] tables.

2000-07-17  Jesper Skov  

        * src/vectors.S (start): Hack to allow thumb tests to run in farm

        until vector table Thumb/ARM API is fixed.

2000-07-07  Jesper Skov  

        * src/arm_stub.c: Changes to support CygMon changes.

        * src/hal_misc.c: Fix warnings.

2000-07-05  Jesper Skov  

        * src/hal_misc.c:

        * src/vectors.S:

        All platforms now has VECTOR_SUPPORT (or provide alternative

        implementations). Removed checks for the option.

2000-07-04  Jonathan Larmour  

        * cdl/hal_arm.cdl: Add CYGINT_HAL_ARM_MEM_REAL_REGION_TOP

        interface

        * include/hal_intr.h: If the platform implements the

        CYGINT_HAL_ARM_MEM_REAL_REGION_TOP interface, define a new

        HAL_MEM_REAL_REGION_TOP macro appropriately

2000-06-28  Jesper Skov  

        * src/hal_mk_defs.c:

        * src/arm_stub.c:

        Fix compiler warnings.

2000-06-21  Nick Garnett  

        * include/hal_arch.h:

        Added local variants of CYG_HAL_TABLE_BEGIN() and

        CYG_HAL_TABLE_END() since the ARM assembler implements some of

        this code with a slightly different syntax to all the other

        targets.

        * include/basetype.h:

        Removed definition of CYG_LABEL_NAME(). Now dealt with by default

        definition in cyg_type.h.

        * src/hal_misc.c:

        * src/arm_stub.c:

        Removed use of CYG_LABEL_NAME(), added underscore to _breakinst.

        * src/arm.ld:

        Added extra underscores to _stext and _etext.

        Switched over to new table creation mechanism.

2000-06-19  Gary Thomas  

        * src/vectors.S: Changes for virtual vector support.

        (hal_virtual_vector_table): Need to protect if virtual vector

        stuff not defined.

        * src/hal_mk_defs.c: Add symbols for virtual vector table.

        * src/hal_misc.c (hal_arch_default_isr): New function.  Used in

        place of 'hal_default_isr' if virtual vector support is enabled.

        * include/hal_intr.h: "Fixed" items now exported in 'vectors.S'

        * src/vectors.S: Add notion of "fixed vectors" to all platforms.

2000-06-08  Jesper Skov  

        * include/hal_arch.h (CYGARC_HAL_SAVE_GP, CYGARC_HAL_RESTORE_GP):

        Added.

2000-06-04  Gary Thomas  

        * src/vectors.S: Add support for platform specific "vectors"

        which may need to end up in predefined memory locations.

        * src/arm.ld: Add separate 'fixed_vectors' section.

2000-06-01  Gary Thomas  

        * include/hal_mmu.h (MMU_Control_I): Added for StrongARM support.

2000-04-10  Hugo Tyson  

        * include/arm_stub.h (CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION): Only

        use this complex version if we have

        CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT ie. the place_break &c routines

        existed anyway.  This is an artificial limitation, somewhat, but

        not so painful in reality.

2000-04-04  Jesper Skov  

        * src/context.S:

        * src/vectors.S:

        Wrap the trivial thumb stuff in macros so the important bits stand

        out.

        Fix dumb bug.

2000-03-24  Jesper Skov  

        * src/arm_stub.c: Make place_break thumb-aware.

        * include/arm_stub.h (CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION):

        Thumb-aware definition.

2000-03-01  Gary Thomas  

        * cdl/hal_arm.cdl:

        Implement CYGINT_HAL_DIAG_DISABLE_GDB_PROTOCOL_SUPPORTED.

2000-02-29  Jonathan Larmour  

        * include/arm_stub.h: Make header C++ safe

2000-02-28  Gary Thomas  

        * src/hal_misc.c: Use standard 'diag_dump_buf()' instead of

        private version.

2000-02-16  Jesper Skov  

        * src/arm_stub.c: CYG_HAL_ARM -> CYGPKG_HAL_ARM