diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/Makefile | 17 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4/setup-sh4-202.c | 5 | ||||
| -rw-r--r-- | arch/sh/kernel/early_printk.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/machvec.c | 7 | ||||
| -rw-r--r-- | arch/sh/kernel/ptrace.c | 1 |
5 files changed, 30 insertions, 2 deletions
diff --git a/arch/sh/Makefile b/arch/sh/Makefile index 3d211aa33cd8..97ac58682d0f 100644 --- a/arch/sh/Makefile +++ b/arch/sh/Makefile @@ -34,6 +34,8 @@ isa-y := $(isa-y)-nofpu endif endif +isa-y := $(isa-y)-up + cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ $(call cc-option,-m2a-nofpu,) @@ -46,7 +48,20 @@ cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml -cflags-y += $(call as-option,-Wa$(comma)-isa=$(isa-y),) -ffreestanding +# +# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that +# support it, while -Wa,-dsp by itself limits the range of usable opcodes +# on certain CPU subtypes. Try the ISA variant first, and if that fails, +# fall back on -Wa,-dsp for the old binutils versions. Even without DSP +# opcodes, we always want the best ISA tuning the version of binutils +# will provide. +# +isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) + +isaflags-$(CONFIG_SH_DSP) := \ + $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) + +cflags-y += $(isaflags-y) -ffreestanding cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \ $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g') diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c index 6e4e96541358..dab193293f20 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c @@ -41,3 +41,8 @@ static int __init sh4202_devices_setup(void) ARRAY_SIZE(sh4202_devices)); } __initcall(sh4202_devices_setup); + +void __init plat_irq_setup(void) +{ + /* do nothing - all IRL interrupts are handled by the board code */ +} diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c index 9833493d8867..80b637c30203 100644 --- a/arch/sh/kernel/early_printk.c +++ b/arch/sh/kernel/early_printk.c @@ -76,7 +76,7 @@ static void scif_sercon_putc(int c) sci_in(&scif_port, SCxSR); sci_out(&scif_port, SCxSR, 0xf3 & ~(0x20 | 0x40)); - while ((sci_in(&scif_port, SCxSR) & 0x40) == 0); + while ((sci_in(&scif_port, SCxSR) & 0x40) == 0) ; if (c == '\n') diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c index 23c5948f0124..129b2cfd18a8 100644 --- a/arch/sh/kernel/machvec.c +++ b/arch/sh/kernel/machvec.c @@ -91,6 +91,13 @@ void __init sh_mv_setup(void) (unsigned long)&__machvec_start); /* + * Sanity check for machvec section alignment. Ensure + * __initmv hasn't been misused. + */ + if (machvec_size % sizeof(struct sh_machine_vector)) + panic("machvec misaligned, invalid __initmv use?"); + + /* * If the machvec hasn't been preselected, use the first * vector (usually the only one) from .machvec.init. */ diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c index 891d1d46c902..f64a2d2416d4 100644 --- a/arch/sh/kernel/ptrace.c +++ b/arch/sh/kernel/ptrace.c @@ -93,6 +93,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_PEEKTEXT: /* read word at location addr. */ case PTRACE_PEEKDATA: ret = generic_ptrace_peekdata(child, addr, data); + break; /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { |
