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bsps/powerpc: Use System V small-data area

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The 32-bit ABIs for thread-local storage (TLS) and EABI read-only
small-data area have a conflicting register (r2) usage.  Use the System
V small-data instead (here r2 is system reserved).
This commit is contained in:
Sebastian Huber
2014-02-21 13:32:13 +01:00
parent 07713db65b
commit 0fe0718b72
8 changed files with 8 additions and 8 deletions
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2
c/src/lib/libbsp/powerpc/gen5200/make/custom/gen5200.inc
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@@ -11,7 +11,7 @@ RTEMS_CPU_MODEL=mpc6xx
# and (hopefully) optimize for it.
#
CPU_CFLAGS = -mcpu=603e -mstrict-align \
-meabi -msdata -fno-common
-meabi -msdata=sysv -fno-common
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g -fno-keep-inline-functions

2
c/src/lib/libbsp/powerpc/gen83xx/make/custom/gen83xx.inc
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@@ -14,7 +14,7 @@ RTEMS_CPU_MODEL=mpc83xx
# This contains the compiler options necessary to select the CPU model
# and (hopefully) optimize for it.
#
CPU_CFLAGS = -mcpu=603e -meabi -msdata -fno-common -mstrict-align
CPU_CFLAGS = -mcpu=603e -meabi -msdata=sysv -fno-common -mstrict-align
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g -fno-keep-inline-functions

2
c/src/lib/libbsp/powerpc/mbx8xx/make/custom/mbx8xx.inc
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@@ -41,7 +41,7 @@ RTEMS_CPU_MODEL=mpc$(8XX_CPU_TYPE)
# and (hopefully) optimize for it.
#
CPU_CFLAGS = -mcpu=$(8XX_CPU_TYPE) -Dmpc$(8XX_CPU_TYPE) -D$(RTEMS_MBX_MODEL) \
-meabi -msdata -fno-common
-meabi -msdata=sysv -fno-common
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g -fno-keep-inline-functions

2
c/src/lib/libbsp/powerpc/mpc55xxevb/make/custom/mpc55xx.inc
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@@ -16,7 +16,7 @@ RTEMS_CPU_MODEL = mpc55xx
CPU_CFLAGS_FLOAT?=-msoft-float
# FIXME
CPU_CFLAGS = -mcpu=8540 -meabi -msdata -fno-common $(CPU_CFLAGS_FLOAT) \
CPU_CFLAGS = -mcpu=8540 -meabi -msdata=sysv -fno-common $(CPU_CFLAGS_FLOAT) \
-D__ppc_generic -mstrict-align
CFLAGS_OPTIMIZE_V = -O2 -g -fno-keep-inline-functions

2
c/src/lib/libbsp/powerpc/mpc8260ads/make/custom/mpc8260ads.cfg
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@@ -13,7 +13,7 @@ RTEMS_CPU_MODEL=mpc8260
#
# CPU_CFLAGS = -mcpu=$(8XX_CPU_TYPE) -mstrict-align
CPU_CFLAGS = -mcpu=603e -mstrict-align -Dmpc8260 \
-meabi -msdata -fno-common
-meabi -msdata=sysv -fno-common
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g -fno-keep-inline-functions

2
c/src/lib/libbsp/powerpc/t32mppc/make/custom/t32mppc.cfg
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@@ -2,7 +2,7 @@ include $(RTEMS_ROOT)/make/custom/default.cfg
RTEMS_CPU = powerpc
CPU_CFLAGS = -mcpu=8540 -meabi -msdata -fno-common -msoft-float \
CPU_CFLAGS = -mcpu=8540 -meabi -msdata=sysv -fno-common -msoft-float \
-D__ppc_generic
CFLAGS_OPTIMIZE_V = -O2 -g

2
c/src/lib/libbsp/powerpc/tqm8xx/make/custom/tqm8xx.inc
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@@ -9,7 +9,7 @@ RTEMS_CPU_MODEL=mpc860
CPU_CFLAGS = -mcpu=860 -Dmpc860 \
-mstrict-align -fno-strict-aliasing \
-meabi -msdata -fno-common
-meabi -msdata=sysv -fno-common
# optimize flag: typically -O2
CFLAGS_OPTIMIZE_V = -O2 -g -fno-keep-inline-functions

2
c/src/lib/libbsp/powerpc/virtex/make/custom/virtex.cfg
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@@ -10,7 +10,7 @@ RTEMS_CPU_MODEL=ppc405
# This contains the compiler options necessary to select the CPU model
# and (hopefully) optimize for it.
#
CPU_CFLAGS = -mcpu=403 -Dppc405 -meabi -msdata -fno-common
CPU_CFLAGS = -mcpu=403 -Dppc405 -meabi -msdata=sysv -fno-common
# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS