From 3b920cef3470b7199acd2dc26e09fb9291131976 Mon Sep 17 00:00:00 2001 From: "Hyok S. Choi" Date: Mon, 24 Apr 2006 09:45:35 +0100 Subject: [ARM] nommu: trivial fixups for head-nommu.S and the Makefile This patch fix compilation problem of start-up codes. (head-nommu.S, arch/arm/kernel/Makefile) Signed-off-by: Hyok S. Choi Signed-off-by: Russell King --- arch/arm/kernel/Makefile | 2 +- arch/arm/kernel/head-nommu.S | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 2ce0e3a27a4..a601b8b55f3 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -29,7 +29,7 @@ ifneq ($(CONFIG_ARCH_EBSA110),y) obj-y += io.o endif -head-y := head.o +head-y := head$(MMUEXT).o obj-$(CONFIG_DEBUG_LL) += debug.o extra-y := $(head-y) init_task.o vmlinux.lds diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index b093ab8738b..0bea6586405 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -20,10 +20,11 @@ #include #include #include -#include +#include #include #define PROCINFO_INITFUNC 12 +#define MACHINFO_TYPE 0 /* * Kernel startup entry point. @@ -79,5 +80,6 @@ __after_proc_init: mov pc, r13 @ clear the BSS and jump @ to start_kernel + .ltorg #include "head-common.S" -- cgit v1.2.3 From c7fd84424f919740880d989cb0459c332da96013 Mon Sep 17 00:00:00 2001 From: Richard Purdie Date: Tue, 25 Apr 2006 20:36:04 +0100 Subject: [ARM] 3484/1: Correct AEABI CFLAGS for correct enum handling Patch from Richard Purdie The AAPCS says that enums can be variably sized depending on the range of valid values. This is not the accepted behaviour under linux so for compatibility gcc has an aapcs-linux target, the main difference being that enums are always of type int. Change the ARM Makefile to use this target. Signed-off-by: Richard Purdie Signed-off-by: Russell King --- arch/arm/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 95a96275f88..6f8e84c1c1f 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -66,7 +66,7 @@ tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) - tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) ifeq ($(CONFIG_AEABI),y) -CFLAGS_ABI :=-mabi=aapcs -mno-thumb-interwork +CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork else CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) endif -- cgit v1.2.3 From 928bd1b4709045355fad8bf858904884c0a1e87f Mon Sep 17 00:00:00 2001 From: Russell King Date: Tue, 25 Apr 2006 20:41:27 +0100 Subject: [ARM] vfp: fix leak of VFP_NAN_FLAG into FPSCR The VFP code can leak VFP_NAN_FLAG into the FPSCR. It doesn't correspond to any real FPSCR bit (and overlaps one of the exception flags). Bug report from Daniel Jacobowitz Signed-off-by: Russell King --- arch/arm/vfp/vfpdouble.c | 2 +- arch/arm/vfp/vfpmodule.c | 2 +- arch/arm/vfp/vfpsingle.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c index febd115dba2..009038c8113 100644 --- a/arch/arm/vfp/vfpdouble.c +++ b/arch/arm/vfp/vfpdouble.c @@ -197,7 +197,7 @@ u32 vfp_double_normaliseround(int dd, struct vfp_double *vd, u32 fpscr, u32 exce dd, d, exceptions); vfp_put_double(dd, d); } - return exceptions & ~VFP_NAN_FLAG; + return exceptions; } /* diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 22f3da4e082..37ff8145b5b 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -180,7 +180,7 @@ static u32 vfp_emulate_instruction(u32 inst, u32 fpscr, struct pt_regs *regs) * emulate it. */ } - return exceptions; + return exceptions & ~VFP_NAN_FLAG; } /* diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c index 4ac27f19393..dae2c2f4605 100644 --- a/arch/arm/vfp/vfpsingle.c +++ b/arch/arm/vfp/vfpsingle.c @@ -203,7 +203,7 @@ u32 vfp_single_normaliseround(int sd, struct vfp_single *vs, u32 fpscr, u32 exce vfp_put_float(sd, d); } - return exceptions & ~VFP_NAN_FLAG; + return exceptions; } /* -- cgit v1.2.3