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# ====================================================================
#
# hal_arm.cdl
#
# ARM architectural HAL package configuration data
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
##
## eCos is free software; you can redistribute it and/or modify it under
## the terms of the GNU General Public License as published by the Free
## Software Foundation; either version 2 or (at your option) any later version.
##
## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
## WARRANTY; without even the implied warranty of MERCHANTABILITY or
## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
## for more details.
##
## You should have received a copy of the GNU General Public License along
## with eCos; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
##
## As a special exception, if other files instantiate templates or use macros
## or inline functions from this file, or you compile this file and link it
## with other works to produce a work based on this file, this file does not
## by itself cause the resulting work to be covered by the GNU General Public
## License. However the source code for this file must still be made available
## in accordance with section (3) of the GNU General Public License.
##
## This exception does not invalidate any other reasons why a work based on
## this file might be covered by the GNU General Public License.
##
## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
## at http://sources.redhat.com/ecos/ecos-license/
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s): bartv
# Original data: gthomas
# Contributors:
# Date: 1999-06-13
#
#####DESCRIPTIONEND####
#
# ====================================================================
cdl_package CYGPKG_HAL_ARM {
display "ARM architecture"
parent CYGPKG_HAL
hardware
include_dir cyg/hal
define_header hal_arm.h
description "
The ARM architecture HAL package provides generic
support for this processor architecture. It is also
necessary to select a specific target platform HAL
package."
compile hal_misc.c context.S arm_stub.c hal_syscall.c
# The "-o file" is a workaround for CR100958 - without it the
# output file would end up in the source directory under CygWin.
# n.b. grep does not behave itself under win32
make -priority 1 {
arm.inc : <PACKAGE>/src/hal_mk_defs.c
$(CC) $(CFLAGS) $(INCLUDE_PATH) -Wp,-MD,arm.tmp -o hal_mk_defs.tmp -S $<
fgrep .equ hal_mk_defs.tmp | sed s/#// > $@
@echo $@ ": \\" > $(notdir $@).deps
@tail +2 arm.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm arm.tmp hal_mk_defs.tmp
}
make {
<PREFIX>/lib/vectors.o : <PACKAGE>/src/vectors.S
$(CC) -Wp,-MD,vectors.tmp $(INCLUDE_PATH) $(CFLAGS) -c -o $@ $<
@echo $@ ": \\" > $(notdir $@).deps
@tail +2 vectors.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm vectors.tmp
}
make {
<PREFIX>/lib/target.ld: <PACKAGE>/src/arm.ld
$(CC) -E -P -Wp,-MD,target.tmp -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<
@echo $@ ": \\" > $(notdir $@).deps
@tail +2 target.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm target.tmp
}
cdl_interface CYGINT_HAL_ARM_THUMB_ARCH {
display "The CPU architecture supports THUMB mode"
}
cdl_option CYGHWR_THUMB {
display "Enable Thumb instruction set"
active_if { CYGINT_HAL_ARM_THUMB_ARCH != 0 }
default_value 0
description "
Enable use of the Thumb instruction set."
}
# Note that when building a ROM monitor we include Thumb
# interworking in order to support Thumb applications running
# under a ARM ROM monitor.
cdl_option CYGBLD_ARM_ENABLE_THUMB_INTERWORK {
display "Enable Thumb interworking compiler option"
active_if { CYGINT_HAL_ARM_THUMB_ARCH != 0 }
default_value { (CYGHWR_THUMB || CYGSEM_HAL_ROM_MONITOR) }
description "
This option controls the use of -mthumb-interwork in the
compiler flags. It defaults enabled in Thumb or ROM monitor
configurations, but can be overridden for reduced memory
footprint where interworking is not a requirement."
}
cdl_interface CYGINT_HAL_ARM_BIGENDIAN {
display "The platform and architecture supports Big Endian operation"
}
cdl_option CYGHWR_HAL_ARM_BIGENDIAN {
display "Use big-endian mode"
active_if { CYGINT_HAL_ARM_BIGENDIAN != 0 }
default_value 0
description "
Use the CPU in big-endian mode."
}
cdl_interface CYGINT_HAL_ARM_ARCH_ARM7 {
display "The platform uses a processor with an ARM7 core"
}
cdl_interface CYGINT_HAL_ARM_ARCH_ARM9 {
display "The platform uses a processor with an ARM9 core"
}
cdl_interface CYGINT_HAL_ARM_ARCH_STRONGARM {
display "The platform uses a processor with a StrongARM core"
}
cdl_interface CYGINT_HAL_ARM_ARCH_XSCALE {
display "The platform uses a processor with a XScale core"
}
cdl_option CYGHWR_HAL_ARM_CPU_FAMILY {
display "ARM CPU family"
flavor data
legal_values { (CYGINT_HAL_ARM_ARCH_ARM7 != 0) ? "ARM7" : ""
(CYGINT_HAL_ARM_ARCH_ARM9 != 0) ? "ARM9" : ""
(CYGINT_HAL_ARM_ARCH_STRONGARM != 0) ? "StrongARM" : ""
(CYGINT_HAL_ARM_ARCH_XSCALE != 0) ? "XScale" : ""
"" }
default_value { (CYGINT_HAL_ARM_ARCH_ARM7 != 0) ? "ARM7" :
(CYGINT_HAL_ARM_ARCH_ARM9 != 0) ? "ARM9" :
(CYGINT_HAL_ARM_ARCH_STRONGARM != 0) ? "StrongARM" :
(CYGINT_HAL_ARM_ARCH_XSCALE != 0) ? "XScale" :
"unknown" }
no_define
description "
It is possible to optimize code for different
ARM CPU families. This option selects which CPU to
optimize for on boards that support multiple CPU types."
}
cdl_option CYGHWR_HAL_ARM_DUMP_EXCEPTIONS {
display "Provide diagnostic dump for exceptions"
requires !CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
default_value 0
description "
Print messages about hardware exceptions, including
raw exception frame dump and register contents."
}
cdl_option CYGIMP_HAL_PROCESS_ALL_EXCEPTIONS {
display "Process all exceptions with the eCos application"
default_value 0
description "
Normal RAM-based programs which do not include GDB stubs
defer processing of the illegal instruction exception to GDB.
Setting this options allows the program to explicitly handle
the illegal instruction exception itself. Note: this will
prevent the use of GDB to debug the application as breakpoints
will no longer work."
}
cdl_option CYGHWR_HAL_ARM_ICE_THREAD_SUPPORT {
display "Support GDB thread operations via ICE/Multi-ICE"
default_value 0
requires CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
requires CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
requires CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT
description "
Allow GDB to get thread information via the ICE/Multi-ICE
connection."
}
cdl_option CYGOPT_HAL_ARM_SYSCALL_GPROF_SUPPORT {
display "Support for 'gprof' callbacks"
calculated 1
no_define
active_if CYGSEM_REDBOOT_BSP_SYSCALLS
active_if { CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT || CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT }
implements CYGINT_REDBOOT_BSP_SYSCALLS_GPROF_SUPPORT
description "
The ARM HAL provides the macro for 'gprof' callbacks from RedBoot
to acquire the interrupt-context PC and SP, when this option is
active."
}
cdl_component CYGPKG_REDBOOT_ARM_OPTIONS {
display "Redboot for ARM options"
flavor none
no_define
parent CYGPKG_REDBOOT
active_if CYGPKG_REDBOOT
description "
This option lists the target's requirements for a valid Redboot
configuration."
cdl_component CYGPKG_REDBOOT_ARM_LINUX_EXEC {
display "Provide the exec command in RedBoot"
flavor none
parent CYGPKG_REDBOOT_ARM_OPTIONS
active_if CYGBLD_BUILD_REDBOOT_WITH_EXEC
description "
This option contains requirements for booting linux
from RedBoot. The component is enabled/disabled from
RedBoots CDL."
compile -library=libextras.a redboot_linux_exec.c
cdl_option CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS {
display "Physical base address of linux kernel"
flavor data
default_value CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS_DEFAULT
description "
This is the physical address of the base of the
Linux kernel image."
}
cdl_option CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS_DEFAULT {
display "Default physical base address of linux kernel"
flavor data
default_value 0x00008000
no_define
description "
This is the physical address of the base of the
Linux kernel image. This option gets set by the
platform CDL."
}
cdl_option CYGHWR_REDBOOT_ARM_LINUX_TAGS_ADDRESS {
display "Base address of linux kernel parameter tags"
flavor data
default_value 0x100
description "
This is the base address of the area of memory used to
pass parameters to the Linux kernel. This should be chosen
to avoid overlap with the kernel and any ramdisk image."
}
}
}
cdl_option CYGBLD_LINKER_SCRIPT {
display "Linker script"
flavor data
no_define
calculated { "src/arm.ld" }
}
cdl_interface CYGINT_HAL_ARM_MEM_REAL_REGION_TOP {
display "Implementations of hal_arm_mem_real_region_top()"
}
}
# EOF hal_arm.cdl
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