mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2025-01-31 00:23:56 +00:00
Experimental: Add support for the Texas Instruments C6X (TMS320C6000 series) DSPs
-- c6x: Add support for c6x product families to pass on to uClibC-ng -- c6x: Fix multilib support -- c6x: Add patch fix internal instruction error (GCC 57295) Signed-off-by: Dan Tejada <dan.tejada@cantada.com>
This commit is contained in:
Dan Tejada
parent
75d7525aa1
commit
d532f02542
37
config/arch/c6x.in
Normal file
37
config/arch/c6x.in
Normal file
@ -0,0 +1,37 @@
|
||||
# c6x specific configuration file
|
||||
|
||||
## no-package
|
||||
## select ARCH_SUPPORTS_32
|
||||
## select ARCH_DEFAULT_32
|
||||
## select ARCH_SUPPORTS_EITHER_ENDIAN
|
||||
## select ARCH_DEFAULT_LE
|
||||
## select ARCH_SUPPORTS_FLAT_FORMAT
|
||||
## select ARCH_SUPPORTS_WITH_CPU
|
||||
## select TARGET_SKIP_CONFIG_SUB
|
||||
## select ARCH_REQUIRES_MULTILIB
|
||||
## depends on EXPERIMENTAL
|
||||
##
|
||||
## help The TI C6x (TMS320C6000) architecture
|
||||
## help https://www.ti.com/processors/digital-signal-processors
|
||||
|
||||
#choice
|
||||
# prompt "Target Processor Type"
|
||||
# default GENERIC_C6X
|
||||
#
|
||||
#config GENERIC_C6X
|
||||
# bool
|
||||
# prompt "Generic C6X DSP"
|
||||
#
|
||||
#config TMS320C64X
|
||||
# bool
|
||||
# prompt "TMS320C64X"
|
||||
#
|
||||
#config TMS320C64XPLUS
|
||||
# bool
|
||||
# prompt "TMS320C64X+"
|
||||
#
|
||||
#config TMS320C674X
|
||||
# bool
|
||||
# prompt "TMS320C674X or TMS320C66XX"
|
||||
#
|
||||
#endchoice
|
||||
48
packages/gcc/4.9.4/0033-fix-c6x-internal-compiler-error-and-multilib.patch
vendored
Normal file
48
packages/gcc/4.9.4/0033-fix-c6x-internal-compiler-error-and-multilib.patch
vendored
Normal file
@ -0,0 +1,48 @@
|
||||
Internal compiler error and multilib fixes
|
||||
Reported upstream:
|
||||
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57295
|
||||
|
||||
Fix c6x mulitibs build for uclinux
|
||||
Reported by: Dan Tejada <dan.tejada@cantada.com>
|
||||
|
||||
--- a/gcc/config/c6x/c6x.md
|
||||
+++ b/gcc/config/c6x/c6x.md
|
||||
@@ -775,7 +775,7 @@
|
||||
UNSPEC_MISALIGNED_ACCESS))]
|
||||
"TARGET_INSNS_64"
|
||||
{
|
||||
- if (memory_operand (operands[0], <MODE>mode))
|
||||
+ if (memory_operand (operands[0], <MODE>mode) || volatile_mem_operand (operands[0], <MODE>mode))
|
||||
{
|
||||
emit_insn (gen_movmisalign<mode>_store (operands[0], operands[1]));
|
||||
DONE;
|
||||
|
||||
--- a/gcc/config/c6x/predicates.md
|
||||
+++ b/gcc/config/c6x/predicates.md
|
||||
@@ -224,3 +224,16 @@
|
||||
gcc_unreachable ();
|
||||
}
|
||||
})
|
||||
+
|
||||
+;; Return 1 if the operand is in volatile memory. Note that during the
|
||||
+;; RTL generation phase, memory_operand does not return TRUE for volatile
|
||||
+;; memory references. So this function allows us to recognize volatile
|
||||
+;; references where it's safe.
|
||||
+(define_predicate "volatile_mem_operand"
|
||||
+ (and (and (match_code "mem")
|
||||
+ (match_test "MEM_VOLATILE_P (op)"))
|
||||
+ (if_then_else (match_test "reload_completed")
|
||||
+ (match_operand 0 "memory_operand")
|
||||
+ (if_then_else (match_test "reload_in_progress")
|
||||
+ (match_test "strict_memory_address_p (mode, XEXP (op, 0))")
|
||||
+ (match_test "memory_address_p (mode, XEXP (op, 0))")))))
|
||||
|
||||
--- a/gcc/config/c6x/t-c6x-uclinux
|
||||
+++ b/gcc/config/c6x/t-c6x-uclinux
|
||||
@@ -1,3 +1,5 @@
|
||||
+MULTILIB_OPTIONS = march=c674x mbig-endian
|
||||
+
|
||||
MULTILIB_OSDIRNAMES = march.c674x=!c674x
|
||||
MULTILIB_OSDIRNAMES += mbig-endian=!be
|
||||
-MULTILIB_OSDIRNAMES += mbig-endian/march.c674x=!be/c674x
|
||||
+MULTILIB_OSDIRNAMES += march.c674x/mbig-endian=!be/c674x
|
||||
81
scripts/build/arch/c6x.sh
Normal file
81
scripts/build/arch/c6x.sh
Normal file
@ -0,0 +1,81 @@
|
||||
# Compute c6x-specific values
|
||||
|
||||
CT_DoArchUClibcConfig() {
|
||||
local cfg="${1}"
|
||||
|
||||
CT_DoArchUClibcSelectArch "${cfg}" "c6x"
|
||||
}
|
||||
|
||||
CT_DoArchTupleValues() {
|
||||
CT_TARGET_ARCH="tic6x"
|
||||
#binutils does not like uclibc in the tuple
|
||||
if [ "${CT_TARGET_SYS}" = "uclibc" ]; then
|
||||
CT_TARGET_SYS=
|
||||
fi
|
||||
}
|
||||
|
||||
CT_DoArchUClibcHeaderDir() {
|
||||
local dir_var="${1}"
|
||||
local cflags="${2}"
|
||||
|
||||
# If it is non-default multilib, add a suffix with architecture (reported by gcc)
|
||||
# to the headers installation path.
|
||||
if [ -n "${cflags}" ]; then
|
||||
eval "${dir_var}="$( ${CT_TARGET}-${CT_CC} -print-multiarch ${cflags} )
|
||||
fi
|
||||
}
|
||||
|
||||
CT_DoArchUClibcCflags() {
|
||||
local cfg="${1}"
|
||||
local cflags="${2}"
|
||||
local f
|
||||
|
||||
# Set default little endian options
|
||||
CT_KconfigDisableOption "ARCH_BIG_ENDIAN" "${cfg}"
|
||||
CT_KconfigDisableOption "ARCH_WANTS_BIG_ENDIAN" "${cfg}"
|
||||
CT_KconfigEnableOption "ARCH_LITTLE_ENDIAN" "${cfg}"
|
||||
CT_KconfigEnableOption "ARCH_WANTS_LITTLE_ENDIAN" "${cfg}"
|
||||
|
||||
# Set arch options based on march switch
|
||||
CT_KconfigDisableOption "CONFIG_TMS320C674X" "${cfg}"
|
||||
CT_KconfigDisableOption "CONFIG_TMS320C64XPLUS" "${cfg}"
|
||||
CT_KconfigDisableOption "CONFIG_TMS320C64X" "${cfg}"
|
||||
CT_KconfigDisableOption "UCLIBC_HAS_FPU" "${cfg}"
|
||||
CT_KconfigEnableOption "CONFIG_GENERIC_C6X" "${cfg}"
|
||||
|
||||
for f in ${cflags}; do
|
||||
case "${f}" in
|
||||
-march=*)
|
||||
case "${f#-march=}" in
|
||||
c674x)
|
||||
CT_KconfigEnableOption "CONFIG_TMS320C674X" "${cfg}"
|
||||
CT_KconfigEnableOption "UCLIBC_HAS_FPU" "${cfg}"
|
||||
CT_KconfigDisableOption "CONFIG_GENERIC_C6X" "${cfg}"
|
||||
;;
|
||||
c64x+)
|
||||
CT_KconfigEnableOption "CONFIG_TMS320C64XPLUS" "${cfg}"
|
||||
CT_KconfigDisableOption "CONFIG_GENERIC_C6X" "${cfg}"
|
||||
;;
|
||||
c64x)
|
||||
CT_KconfigEnableOption "CONFIG_TMS320C64X" "${cfg}"
|
||||
CT_KconfigDisableOption "CONFIG_GENERIC_C6X" "${cfg}"
|
||||
;;
|
||||
c67x)
|
||||
CT_KconfigEnableOption "UCLIBC_HAS_FPU" "${cfg}"
|
||||
;;
|
||||
c62x)
|
||||
;;
|
||||
*) CT_Abort "Unsupported architecture: ${f#-march=}";;
|
||||
esac
|
||||
;;
|
||||
-mlittle-endian)
|
||||
;;
|
||||
-mbig-endian)
|
||||
CT_KconfigEnableOption "ARCH_BIG_ENDIAN" "${cfg}"
|
||||
CT_KconfigEnableOption "ARCH_WANTS_BIG_ENDIAN" "${cfg}"
|
||||
CT_KconfigDisableOption "ARCH_LITTLE_ENDIAN" "${cfg}"
|
||||
CT_KconfigDisableOption "ARCH_WANTS_LITTLE_ENDIAN" "${cfg}"
|
||||
;;
|
||||
esac
|
||||
done
|
||||
}
|
||||
@ -10,7 +10,7 @@ CT_DoKernelTupleValues()
|
||||
# should be added here when someone starts to care about them.
|
||||
case "${CT_ARCH}" in
|
||||
arm*) CT_TARGET_KERNEL="linux" ;;
|
||||
m68k|xtensa*) CT_TARGET_KERNEL="uclinux" ;;
|
||||
c6x|m68k|xtensa*) CT_TARGET_KERNEL="uclinux" ;;
|
||||
*) CT_Abort "Unsupported no-mmu arch '${CT_ARCH}'"
|
||||
esac
|
||||
fi
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user