kernel-api.xml filesystems.xml lsm.xml usb.xml kgdb.xml \
gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \
genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \
- mac80211.xml debugobjects.xml
+ mac80211.xml debugobjects.xml sh.xml
###
# The build process is as follows (targets):
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
+
+<book id="sh-drivers">
+ <bookinfo>
+ <title>SuperH Interfaces Guide</title>
+
+ <authorgroup>
+ <author>
+ <firstname>Paul</firstname>
+ <surname>Mundt</surname>
+ <affiliation>
+ <address>
+ <email>lethal@linux-sh.org</email>
+ </address>
+ </affiliation>
+ </author>
+ </authorgroup>
+
+ <copyright>
+ <year>2008</year>
+ <holder>Paul Mundt</holder>
+ </copyright>
+ <copyright>
+ <year>2008</year>
+ <holder>Renesas Technology Corp.</holder>
+ </copyright>
+
+ <legalnotice>
+ <para>
+ This documentation is free software; you can redistribute
+ it and/or modify it under the terms of the GNU General Public
+ License version 2 as published by the Free Software Foundation.
+ </para>
+
+ <para>
+ This program 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.
+ </para>
+
+ <para>
+ You should have received a copy of the GNU General Public
+ License along with this program; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ MA 02111-1307 USA
+ </para>
+
+ <para>
+ For more details see the file COPYING in the source
+ distribution of Linux.
+ </para>
+ </legalnotice>
+ </bookinfo>
+
+<toc></toc>
+
+ <chapter id="mm">
+ <title>Memory Management</title>
+ <sect1 id="sh4">
+ <title>SH-4</title>
+ <sect2 id="sq">
+ <title>Store Queue API</title>
+!Earch/sh/kernel/cpu/sh4/sq.c
+ </sect2>
+ </sect1>
+ <sect1 id="sh5">
+ <title>SH-5</title>
+ <sect2 id="tlb">
+ <title>TLB Interfaces</title>
+!Iarch/sh/mm/tlb-sh5.c
+!Iarch/sh/include/asm/tlb_64.h
+ </sect2>
+ </sect1>
+ </chapter>
+ <chapter id="clk">
+ <title>Clock Framework Extensions</title>
+!Iarch/sh/include/asm/clock.h
+ </chapter>
+ <chapter id="mach">
+ <title>Machine Specific Interfaces</title>
+ <sect1 id="dreamcast">
+ <title>mach-dreamcast</title>
+!Iarch/sh/boards/mach-dreamcast/rtc.c
+ </sect1>
+ <sect1 id="x3proto">
+ <title>mach-x3proto</title>
+!Earch/sh/boards/mach-x3proto/ilsel.c
+ </sect1>
+ </chapter>
+ <chapter id="busses">
+ <title>Busses</title>
+ <sect1 id="superhyway">
+ <title>SuperHyway</title>
+!Edrivers/sh/superhyway/superhyway.c
+ </sect1>
+
+ <sect1 id="maple">
+ <title>Maple</title>
+!Edrivers/sh/maple/maple.c
+ </sect1>
+ </chapter>
+</book>
config GENERIC_HARDIRQS
def_bool y
+config GENERIC_HARDIRQS_NO__DO_IRQ
+ def_bool y
+
config GENERIC_IRQ_PROBE
def_bool y
config GENERIC_CLOCKEVENTS
def_bool n
+config GENERIC_LOCKBREAK
+ def_bool y
+ depends on SMP && PREEMPT
+
config SYS_SUPPORTS_PM
bool
config ARCH_NO_VIRT_TO_BUS
def_bool y
-config ARCH_SUPPORTS_AOUT
- def_bool y
-
config IO_TRAPPED
bool
For more details see Documentation/kdump/kdump.txt
+config SECCOMP
+ bool "Enable seccomp to safely compute untrusted bytecode"
+ depends on PROC_FS
+ default y
+ help
+ This kernel feature is useful for number crunching applications
+ that may need to compute untrusted bytecode during their
+ execution. By using pipes or other transports made available to
+ the process as file descriptors supporting the read/write
+ syscalls, it's possible to isolate those applications in
+ their own address space using seccomp. Once seccomp is
+ enabled via prctl, it cannot be disabled and the task is only
+ allowed to execute a few safe syscalls defined by each seccomp
+ mode.
+
+ If unsure, say N.
+
config SMP
bool "Symmetric multi-processing support"
depends on SYS_SUPPORTS_SMP
config SH64_PROC_ASIDS
bool "Debug: report ASIDs through /proc/asids"
- depends on PROC_FS
+ depends on PROC_FS && MMU
config SH64_SR_WATCH
bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
-LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-
core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
cpuincdir-y += cpu-common # Must be last
-libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
-libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
-libs-y += $(LIBGCC)
-
drivers-y += arch/sh/drivers/
drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
KBUILD_CPPFLAGS += $(cflags-y)
KBUILD_AFLAGS += $(cflags-y)
+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
+
+libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
+libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
+libs-y += $(LIBGCC)
+
PHONY += maketools FORCE
maketools: include/linux/version.h FORCE
- $(Q)$(MAKE) $(build)=arch/sh/tools arch/sh/include/asm/machtypes.h
+ $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
all: $(KBUILD_IMAGE)
$(call filechk,gen-syscalltab)
CLEAN_FILES += arch/sh/lib64/syscalltab.h \
- arch/sh/include/asm/machtypes.h
+ include/asm-sh/machtypes.h
obj-$(CONFIG_SH_MAGIC_PANEL_R2) += board-magicpanelr2.o
obj-$(CONFIG_SH_RSK7203) += board-rsk7203.o
obj-$(CONFIG_SH_SH7785LCR) += board-sh7785lcr.o
-obj-$(CONFIG_SH_SHMIN) += board-shmin..o
+obj-$(CONFIG_SH_SHMIN) += board-shmin.o
#include <linux/mtd/physmap.h>
#include <linux/delay.h>
#include <linux/i2c.h>
-#include <linux/delay.h>
#include <linux/smc911x.h>
#include <media/soc_camera_platform.h>
#include <media/sh_mobile_ceu.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
-#include <linux/irq.h>
#include <linux/io.h>
#include <mach-se/mach/se7343.h>
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:34:24 2008
+# Linux kernel version: 2.6.27-rc1
+# Mon Aug 4 16:49:13 2008
#
CONFIG_SUPERH=y
CONFIG_SUPERH32=y
CONFIG_GENERIC_FIND_NEXT_BIT=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_GENERIC_TIME=y
# CONFIG_ARCH_HAS_ILOG2_U32 is not set
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
# CONFIG_USE_GENERIC_SMP_HELPERS is not set
CONFIG_HAVE_CLK=y
CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
# CONFIG_SCHED_HRTICK is not set
# CONFIG_KEXEC is not set
# CONFIG_CRASH_DUMP is not set
+CONFIG_SECCOMP=y
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
#
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
CONFIG_NET=y
#
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
-# CONFIG_KEYBOARD_MAPLE is not set
+CONFIG_KEYBOARD_MAPLE=y
# CONFIG_KEYBOARD_SH_KEYSC is not set
CONFIG_INPUT_MOUSE=y
# CONFIG_MOUSE_PS2 is not set
+++ /dev/null
-#ifndef __ASM_SH_A_OUT_H
-#define __ASM_SH_A_OUT_H
-
-struct exec
-{
- unsigned long a_info; /* Use macros N_MAGIC, etc for access */
- unsigned a_text; /* length of text, in bytes */
- unsigned a_data; /* length of data, in bytes */
- unsigned a_bss; /* length of uninitialized data area for file, in bytes */
- unsigned a_syms; /* length of symbol table data in file, in bytes */
- unsigned a_entry; /* start address */
- unsigned a_trsize; /* length of relocation info for text, in bytes */
- unsigned a_drsize; /* length of relocation info for data, in bytes */
-};
-
-#define N_TRSIZE(a) ((a).a_trsize)
-#define N_DRSIZE(a) ((a).a_drsize)
-#define N_SYMSIZE(a) ((a).a_syms)
-
-#endif /* __ASM_SH_A_OUT_H */
extern void show_regs(struct pt_regs *);
+/*
+ * These are defined as per linux/ptrace.h.
+ */
+struct task_struct;
+
+#define arch_has_single_step() (1)
+extern void user_enable_single_step(struct task_struct *);
+extern void user_disable_single_step(struct task_struct *);
+
#ifdef CONFIG_SH_DSP
#define task_pt_regs(task) \
((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
--- /dev/null
+#ifndef __ASM_SECCOMP_H
+
+#include <linux/unistd.h>
+
+#define __NR_seccomp_read __NR_read
+#define __NR_seccomp_write __NR_write
+#define __NR_seccomp_exit __NR_exit
+#define __NR_seccomp_sigreturn __NR_rt_sigreturn
+
+#endif /* __ASM_SECCOMP_H */
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
#define TIF_RESTORE_SIGMASK 3 /* restore signal mask in do_signal() */
#define TIF_SINGLESTEP 4 /* singlestepping active */
-#define TIF_SYSCALL_AUDIT 5
+#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */
+#define TIF_SECCOMP 6 /* secure computing */
+#define TIF_NOTIFY_RESUME 7 /* callback before returning to user */
#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */
#define TIF_MEMDIE 18
-#define TIF_FREEZE 19
-
-#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
-#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
-#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
-#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
-#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
-#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
-#define _TIF_USEDFPU (1<<TIF_USEDFPU)
-#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
-#define _TIF_FREEZE (1<<TIF_FREEZE)
-
-#define _TIF_WORK_MASK 0x000000FE /* work to do on interrupt/exception return */
-#define _TIF_ALLWORK_MASK 0x000000FF /* work to do on any return to u-space */
+#define TIF_FREEZE 19 /* Freezing for suspend */
+
+#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
+#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
+#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
+#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP)
+#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
+#define _TIF_SECCOMP (1 << TIF_SECCOMP)
+#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
+#define _TIF_USEDFPU (1 << TIF_USEDFPU)
+#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE (1 << TIF_FREEZE)
+
+/*
+ * _TIF_ALLWORK_MASK and _TIF_WORK_MASK need to fit within a byte, or we
+ * blow the tst immediate size constraints and need to fix up
+ * arch/sh/kernel/entry-common.S.
+ */
+
+/* work to do in syscall trace */
+#define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
+ _TIF_SYSCALL_AUDIT | _TIF_SECCOMP)
+
+/* work to do on any return to u-space */
+#define _TIF_ALLWORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING | \
+ _TIF_NEED_RESCHED | _TIF_SYSCALL_AUDIT | \
+ _TIF_SINGLESTEP | _TIF_RESTORE_SIGMASK | \
+ _TIF_NOTIFY_RESUME)
+
+/* work to do on interrupt/exception return */
+#define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \
+ _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP))
#endif /* __KERNEL__ */
#ifndef __ASSEMBLY__
/**
- * for_each_dtlb_entry
+ * for_each_dtlb_entry - Iterate over free (non-wired) DTLB entries
*
* @tlb: TLB entry
- *
- * Iterate over free (non-wired) DTLB entries
*/
#define for_each_dtlb_entry(tlb) \
for (tlb = cpu_data->dtlb.first; \
tlb += cpu_data->dtlb.step)
/**
- * for_each_itlb_entry
+ * for_each_itlb_entry - Iterate over free (non-wired) ITLB entries
*
* @tlb: TLB entry
- *
- * Iterate over free (non-wired) ITLB entries
*/
#define for_each_itlb_entry(tlb) \
for (tlb = cpu_data->itlb.first; \
tlb += cpu_data->itlb.step)
/**
- * __flush_tlb_slot
+ * __flush_tlb_slot - Flushes TLB slot @slot.
*
* @slot: Address of TLB slot.
- *
- * Flushes TLB slot @slot.
*/
static inline void __flush_tlb_slot(unsigned long long slot)
{
#define CCR 0xffffffec
#define CCR_CACHE_CE 0x01 /* Cache enable */
-#define CCR_CACHE_WT 0x06 /* CCR[bit1=1,bit2=1] */
+#define CCR_CACHE_WT 0x02 /* CCR[bit1=1,bit2=1] */
/* 0x00000000-0x7fffffff: Write-through */
/* 0x80000000-0x9fffffff: Write-back */
/* 0xc0000000-0xdfffffff: Write-through */
-#define CCR_CACHE_CB 0x00 /* CCR[bit1=0,bit2=0] */
+#define CCR_CACHE_CB 0x04 /* CCR[bit1=0,bit2=0] */
/* 0x00000000-0x7fffffff: Write-back */
/* 0x80000000-0x9fffffff: Write-through */
/* 0xc0000000-0xdfffffff: Write-back */
#define CCR_CACHE_ENABLE CCR_CACHE_CE
#define CCR_CACHE_INVALIDATE CCR_CACHE_CF
+#define CACHE_PHYSADDR_MASK 0x1ffffc00
+
#endif
#endif /* __ASM_CPU_SH2_CACHE_H */
--- /dev/null
+#ifndef __ASM_SH_CPU_SH2A_ADDRSPACE_H
+#define __ASM_SH_CPU_SH2A_ADDRSPACE_H
+
+#define P0SEG 0x00000000
+#define P1SEG 0x00000000
+#define P2SEG 0x20000000
+#define P3SEG 0x40000000
+#define P4SEG 0x60000000
+
+#endif /* __ASM_SH_CPU_SH2A_ADDRSPACE_H */
#define CCR_CACHE_ENABLE (CCR_CACHE_OCE | CCR_CACHE_ICE)
#define CCR_CACHE_INVALIDATE (CCR_CACHE_OCI | CCR_CACHE_ICI)
+#define CCR_ICACHE_INVALIDATE CCR_CACHE_ICI
+#define CCR_OCACHE_INVALIDATE CCR_CACHE_OCI
+#define CACHE_PHYSADDR_MASK 0x1ffffc00
#endif /* __ASM_CPU_SH2A_CACHE_H */
--- /dev/null
+#ifndef __ASM_CPU_SH2A_CACHEFLUSH_H
+#define __ASM_CPU_SH2A_CACHEFLUSH_H
+
+/*
+ * Cache flushing:
+ *
+ * - flush_cache_all() flushes entire cache
+ * - flush_cache_mm(mm) flushes the specified mm context's cache lines
+ * - flush_cache_dup mm(mm) handles cache flushing when forking
+ * - flush_cache_page(mm, vmaddr, pfn) flushes a single page
+ * - flush_cache_range(vma, start, end) flushes a range of pages
+ *
+ * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
+ * - flush_icache_range(start, end) flushes(invalidates) a range for icache
+ * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
+ *
+ * Caches are indexed (effectively) by physical address on SH-2, so
+ * we don't need them.
+ */
+#define flush_cache_all() do { } while (0)
+#define flush_cache_mm(mm) do { } while (0)
+#define flush_cache_dup_mm(mm) do { } while (0)
+#define flush_cache_range(vma, start, end) do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
+#define flush_dcache_page(page) do { } while (0)
+#define flush_dcache_mmap_lock(mapping) do { } while (0)
+#define flush_dcache_mmap_unlock(mapping) do { } while (0)
+void flush_icache_range(unsigned long start, unsigned long end);
+#define flush_icache_page(vma,pg) do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
+#define flush_cache_sigtramp(vaddr) do { } while (0)
+
+#define p3_cache_init() do { } while (0)
+#endif /* __ASM_CPU_SH2A_CACHEFLUSH_H */
/**
* sq_unmap - Unmap a Store Queue allocation
- * @map: Pre-allocated Store Queue mapping.
+ * @vaddr: Pre-allocated Store Queue mapping.
*
* Unmaps the store queue allocation @map that was previously created by
* sq_remap(). Also frees up the pte that was previously inserted into
work_notifysig:
gettr tr1, LINK
- movi do_signal, r6
+ movi do_notify_resume, r6
ptabs r6, tr0
or SP, ZERO, r2
- or ZERO, ZERO, r3
- blink tr0, LINK /* Call do_signal(regs, 0), return here */
+ or r7, ZERO, r3
+ blink tr0, LINK /* Call do_notify_resume(regs, current_thread_info->flags), return here */
restore_all:
/* Do prefetches */
getcon KCR0, r2
ld.l r2, TI_FLAGS, r4
- movi (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT), r6
+ movi _TIF_WORK_SYSCALL_MASK, r6
and r6, r4, r6
beq/l r6, ZERO, tr0
/* Trace it by calling syscall_trace before and after */
- movi syscall_trace, r4
+ movi do_syscall_trace_enter, r4
or SP, ZERO, r2
- or ZERO, ZERO, r3
ptabs r4, tr0
blink tr0, LINK
- /* Reload syscall number as r5 is trashed by syscall_trace */
+ /* Save the retval */
+ st.q SP, FRAME_R(2), r2
+
+ /* Reload syscall number as r5 is trashed by do_syscall_trace_enter */
ld.q SP, FRAME_S(FSYSCALL_ID), r5
andi r5, 0x1ff, r5
/* We get back here only if under trace */
st.q SP, FRAME_R(9), r2 /* Save return value */
- movi syscall_trace, LINK
+ movi do_syscall_trace_leave, LINK
or SP, ZERO, r2
- movi 1, r3
ptabs LINK, tr0
blink tr0, LINK
syscall_exit_work:
! r0: current_thread_info->flags
! r8: current_thread_info
- tst #_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT, r0
+ tst #_TIF_WORK_SYSCALL_MASK, r0
bt/s work_pending
tst #_TIF_NEED_RESCHED, r0
#ifdef CONFIG_TRACE_IRQFLAGS
nop
#endif
sti
- ! XXX setup arguments...
mov r15, r4
- mov #1, r5
- mov.l 4f, r0 ! do_syscall_trace
+ mov.l 8f, r0 ! do_syscall_trace_leave
jsr @r0
nop
bra resume_userspace
.align 2
syscall_trace_entry:
! Yes it is traced.
- ! XXX setup arguments...
mov r15, r4
- mov #0, r5
- mov.l 4f, r11 ! Call do_syscall_trace which notifies
+ mov.l 7f, r11 ! Call do_syscall_trace_enter which notifies
jsr @r11 ! superior (will chomp R[0-7])
nop
+ mov.l r0, @(OFF_R0,r15) ! Save return value
! Reload R0-R4 from kernel stack, where the
! parent may have modified them using
! ptrace(POKEUSR). (Note that R0-R2 are
!
get_current_thread_info r8, r10
mov.l @(TI_FLAGS,r8), r8
- mov #(_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT), r10
+ mov #_TIF_WORK_SYSCALL_MASK, r10
tst r10, r8
bf syscall_trace_entry
!
#endif
2: .long NR_syscalls
3: .long sys_call_table
-4: .long do_syscall_trace
#ifdef CONFIG_TRACE_IRQFLAGS
5: .long trace_hardirqs_on
6: .long trace_hardirqs_off
#endif
+7: .long do_syscall_trace_enter
+8: .long do_syscall_trace_leave
#include <linux/kexec.h>
#include <linux/delay.h>
#include <linux/reboot.h>
+#include <linux/numa.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
#include <asm/mmu_context.h>
(*rnk)(page_list, reboot_code_buffer, image->start, vbr_reg);
}
+void arch_crash_save_vmcoreinfo(void)
+{
+#ifdef CONFIG_NUMA
+ VMCOREINFO_SYMBOL(node_data);
+ VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);
+#endif
+}
#include <linux/moduleloader.h>
#include <linux/elf.h>
#include <linux/vmalloc.h>
+#include <linux/bug.h>
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/kernel.h>
{
if (size == 0)
return NULL;
- return vmalloc(size);
+
+ return vmalloc_exec(size);
}
const Elf_Shdr *sechdrs,
struct module *me)
{
- return 0;
+ return module_bug_finalize(hdr, sechdrs, me);
}
void module_arch_cleanup(struct module *mod)
{
+ module_bug_cleanup(mod);
}
#include <linux/signal.h>
#include <linux/io.h>
#include <linux/audit.h>
+#include <linux/seccomp.h>
+#include <linux/tracehook.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/system.h>
return 0;
}
-static void ptrace_disable_singlestep(struct task_struct *child)
+void user_enable_single_step(struct task_struct *child)
+{
+ struct pt_regs *regs = task_pt_regs(child);
+ long pc;
+
+ pc = get_stack_long(child, (long)®s->pc);
+
+ /* Next scheduling will set up UBC */
+ if (child->thread.ubc_pc == 0)
+ ubc_usercnt += 1;
+
+ child->thread.ubc_pc = pc;
+
+ set_tsk_thread_flag(child, TIF_SINGLESTEP);
+}
+
+void user_disable_single_step(struct task_struct *child)
{
clear_tsk_thread_flag(child, TIF_SINGLESTEP);
*/
void ptrace_disable(struct task_struct *child)
{
- ptrace_disable_singlestep(child);
+ user_disable_single_step(child);
}
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
int ret;
switch (request) {
- /* when I and D space are separate, these will need to be fixed. */
- 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: {
unsigned long tmp;
break;
}
- /* when I and D space are separate, this will have to be fixed. */
- case PTRACE_POKETEXT: /* write the word at location addr. */
- case PTRACE_POKEDATA:
- ret = generic_ptrace_pokedata(child, addr, data);
- break;
-
case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
ret = -EIO;
if ((addr & 3) || addr < 0 ||
}
break;
- case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
- case PTRACE_CONT: { /* restart after signal. */
- ret = -EIO;
- if (!valid_signal(data))
- break;
- if (request == PTRACE_SYSCALL)
- set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- else
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
- ptrace_disable_singlestep(child);
-
- child->exit_code = data;
- wake_up_process(child);
- ret = 0;
- break;
- }
-
-/*
- * make the child exit. Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
- case PTRACE_KILL: {
- ret = 0;
- if (child->exit_state == EXIT_ZOMBIE) /* already dead */
- break;
- ptrace_disable_singlestep(child);
- child->exit_code = SIGKILL;
- wake_up_process(child);
- break;
- }
-
- case PTRACE_SINGLESTEP: { /* set the trap flag. */
- long pc;
- struct pt_regs *regs = NULL;
-
- ret = -EIO;
- if (!valid_signal(data))
- break;
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- if ((child->ptrace & PT_DTRACE) == 0) {
- /* Spurious delayed TF traps may occur */
- child->ptrace |= PT_DTRACE;
- }
-
- pc = get_stack_long(child, (long)®s->pc);
-
- /* Next scheduling will set up UBC */
- if (child->thread.ubc_pc == 0)
- ubc_usercnt += 1;
- child->thread.ubc_pc = pc;
-
- set_tsk_thread_flag(child, TIF_SINGLESTEP);
- child->exit_code = data;
- /* give it a chance to run. */
- wake_up_process(child);
- ret = 0;
- break;
- }
-
#ifdef CONFIG_SH_DSP
case PTRACE_GETDSPREGS: {
unsigned long dp;
return ret;
}
-asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
+static inline int audit_arch(void)
{
- struct task_struct *tsk = current;
+ int arch = EM_SH;
- if (unlikely(current->audit_context) && entryexit)
- audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]),
- regs->regs[0]);
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+ arch |= __AUDIT_ARCH_LE;
+#endif
- if (!test_thread_flag(TIF_SYSCALL_TRACE) &&
- !test_thread_flag(TIF_SINGLESTEP))
- goto out;
- if (!(tsk->ptrace & PT_PTRACED))
- goto out;
+ return arch;
+}
- /* the 0x80 provides a way for the tracing parent to distinguish
- between a syscall stop and SIGTRAP delivery */
- ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) &&
- !test_thread_flag(TIF_SINGLESTEP) ? 0x80 : 0));
+asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
+{
+ long ret = 0;
- /*
- * this isn't the same as continuing with a signal, but it will do
- * for normal use. strace only continues with a signal if the
- * stopping signal is not SIGTRAP. -brl
- */
- if (tsk->exit_code) {
- send_sig(tsk->exit_code, tsk, 1);
- tsk->exit_code = 0;
- }
+ secure_computing(regs->regs[0]);
+
+ if (test_thread_flag(TIF_SYSCALL_TRACE) &&
+ tracehook_report_syscall_entry(regs))
+ /*
+ * Tracing decided this syscall should not happen.
+ * We'll return a bogus call number to get an ENOSYS
+ * error, but leave the original number in regs->regs[0].
+ */
+ ret = -1L;
-out:
- if (unlikely(current->audit_context) && !entryexit)
- audit_syscall_entry(AUDIT_ARCH_SH, regs->regs[3],
+ if (unlikely(current->audit_context))
+ audit_syscall_entry(audit_arch(), regs->regs[3],
regs->regs[4], regs->regs[5],
regs->regs[6], regs->regs[7]);
+ return ret ?: regs->regs[0];
+}
+
+asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
+{
+ int step;
+
+ if (unlikely(current->audit_context))
+ audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]),
+ regs->regs[0]);
+
+ step = test_thread_flag(TIF_SINGLESTEP);
+ if (step || test_thread_flag(TIF_SYSCALL_TRACE))
+ tracehook_report_syscall_exit(regs, step);
}
#include <linux/signal.h>
#include <linux/syscalls.h>
#include <linux/audit.h>
+#include <linux/seccomp.h>
+#include <linux/tracehook.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
return 0;
}
+void user_enable_single_step(struct task_struct *child)
+{
+ struct pt_regs *regs = child->thread.uregs;
+
+ regs->sr |= SR_SSTEP; /* auto-resetting upon exception */
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+ regs->sr &= ~SR_SSTEP;
+}
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
int ret;
switch (request) {
- /* when I and D space are separate, these will need to be fixed. */
- 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: {
unsigned long tmp;
break;
}
- /* when I and D space are separate, this will have to be fixed. */
- case PTRACE_POKETEXT: /* write the word at location addr. */
- case PTRACE_POKEDATA:
- ret = generic_ptrace_pokedata(child, addr, data);
- break;
-
case PTRACE_POKEUSR:
/* write the word at location addr in the USER area. We must
disallow any changes to certain SR bits or u_fpvalid, since
}
break;
- case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
- case PTRACE_CONT: { /* restart after signal. */
- ret = -EIO;
- if (!valid_signal(data))
- break;
- if (request == PTRACE_SYSCALL)
- set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- else
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- child->exit_code = data;
- wake_up_process(child);
- ret = 0;
- break;
- }
-
-/*
- * make the child exit. Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
- case PTRACE_KILL: {
- ret = 0;
- if (child->exit_state == EXIT_ZOMBIE) /* already dead */
- break;
- child->exit_code = SIGKILL;
- wake_up_process(child);
- break;
- }
-
- case PTRACE_SINGLESTEP: { /* set the trap flag. */
- struct pt_regs *regs;
-
- ret = -EIO;
- if (!valid_signal(data))
- break;
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- if ((child->ptrace & PT_DTRACE) == 0) {
- /* Spurious delayed TF traps may occur */
- child->ptrace |= PT_DTRACE;
- }
-
- regs = child->thread.uregs;
-
- regs->sr |= SR_SSTEP; /* auto-resetting upon exception */
-
- child->exit_code = data;
- /* give it a chance to run. */
- wake_up_process(child);
- ret = 0;
- break;
- }
-
default:
ret = ptrace_request(child, request, addr, data);
break;
return sys_ptrace(request, pid, addr, data);
}
-asmlinkage void syscall_trace(struct pt_regs *regs, int entryexit)
+static inline int audit_arch(void)
{
- struct task_struct *tsk = current;
+ int arch = EM_SH;
- if (unlikely(current->audit_context) && entryexit)
- audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]),
- regs->regs[9]);
+#ifdef CONFIG_64BIT
+ arch |= __AUDIT_ARCH_64BIT;
+#endif
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+ arch |= __AUDIT_ARCH_LE;
+#endif
- if (!test_thread_flag(TIF_SYSCALL_TRACE) &&
- !test_thread_flag(TIF_SINGLESTEP))
- goto out;
- if (!(tsk->ptrace & PT_PTRACED))
- goto out;
-
- ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) &&
- !test_thread_flag(TIF_SINGLESTEP) ? 0x80 : 0));
-
- /*
- * this isn't the same as continuing with a signal, but it will do
- * for normal use. strace only continues with a signal if the
- * stopping signal is not SIGTRAP. -brl
- */
- if (tsk->exit_code) {
- send_sig(tsk->exit_code, tsk, 1);
- tsk->exit_code = 0;
- }
+ return arch;
+}
-out:
- if (unlikely(current->audit_context) && !entryexit)
- audit_syscall_entry(AUDIT_ARCH_SH, regs->regs[1],
+asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs)
+{
+ long long ret = 0;
+
+ secure_computing(regs->regs[9]);
+
+ if (test_thread_flag(TIF_SYSCALL_TRACE) &&
+ tracehook_report_syscall_entry(regs))
+ /*
+ * Tracing decided this syscall should not happen.
+ * We'll return a bogus call number to get an ENOSYS
+ * error, but leave the original number in regs->regs[0].
+ */
+ ret = -1LL;
+
+ if (unlikely(current->audit_context))
+ audit_syscall_entry(audit_arch(), regs->regs[1],
regs->regs[2], regs->regs[3],
regs->regs[4], regs->regs[5]);
+
+ return ret ?: regs->regs[9];
+}
+
+asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
+{
+ if (unlikely(current->audit_context))
+ audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]),
+ regs->regs[9]);
+
+ if (test_thread_flag(TIF_SYSCALL_TRACE))
+ tracehook_report_syscall_exit(regs, 0);
}
/* Called with interrupts disabled */
*/
void ptrace_disable(struct task_struct *child)
{
- /* nothing to do.. */
+ user_disable_single_step(child);
}
#include <linux/smp.h>
#include <linux/err.h>
#include <linux/debugfs.h>
+#include <linux/crash_dump.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/page.h>
extern void __init setup_memory(void);
#endif
+/*
+ * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by
+ * is_kdump_kernel() to determine if we are booting after a panic. Hence
+ * ifdef it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE.
+ */
+#ifdef CONFIG_CRASH_DUMP
+/* elfcorehdr= specifies the location of elf core header
+ * stored by the crashed kernel.
+ */
+static int __init parse_elfcorehdr(char *arg)
+{
+ if (!arg)
+ return -EINVAL;
+ elfcorehdr_addr = memparse(arg, &arg);
+ return 0;
+}
+early_param("elfcorehdr", parse_elfcorehdr);
+#endif
+
void __init setup_arch(char **cmdline_p)
{
enable_mmu();
#include <linux/binfmts.h>
#include <linux/freezer.h>
#include <linux/io.h>
+#include <linux/tracehook.h>
#include <asm/system.h>
#include <asm/ucontext.h>
#include <asm/uaccess.h>
switch (regs->regs[0]) {
case -ERESTART_RESTARTBLOCK:
case -ERESTARTNOHAND:
+ no_system_call_restart:
regs->regs[0] = -EINTR;
break;
case -ERESTARTSYS:
- if (!(ka->sa.sa_flags & SA_RESTART)) {
- regs->regs[0] = -EINTR;
- break;
- }
+ if (!(ka->sa.sa_flags & SA_RESTART))
+ goto no_system_call_restart;
/* fallthrough */
case -ERESTARTNOINTR:
regs->regs[0] = save_r0;
* clear the TIF_RESTORE_SIGMASK flag */
if (test_thread_flag(TIF_RESTORE_SIGMASK))
clear_thread_flag(TIF_RESTORE_SIGMASK);
+
+ tracehook_signal_handler(signr, &info, &ka, regs,
+ test_thread_flag(TIF_SINGLESTEP));
}
return;
}
- no_signal:
+no_signal:
/* Did we come from a system call? */
if (regs->tra >= 0) {
/* Restart the system call - no handlers present */
}
asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0,
- __u32 thread_info_flags)
+ unsigned long thread_info_flags)
{
/* deal with pending signal delivery */
- if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+ if (thread_info_flags & _TIF_SIGPENDING)
do_signal(regs, save_r0);
+
+ if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+ clear_thread_flag(TIF_NOTIFY_RESUME);
+ tracehook_notify_resume(regs);
+ }
}
#include <linux/ptrace.h>
#include <linux/unistd.h>
#include <linux/stddef.h>
+#include <linux/tracehook.h>
#include <asm/ucontext.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset);
+/*
+ * Note that 'init' is a special process: it doesn't get signals it doesn't
+ * want to handle. Thus you cannot kill init even with a SIGKILL even by
+ * mistake.
+ *
+ * Note that we go through the signals twice: once to check the signals that
+ * the kernel can handle, and then we build all the user-level signal handling
+ * stack-frames in one go after that.
+ */
+static int do_signal(struct pt_regs *regs, sigset_t *oldset)
+{
+ siginfo_t info;
+ int signr;
+ struct k_sigaction ka;
+
+ /*
+ * We want the common case to go fast, which
+ * is why we may in certain cases get here from
+ * kernel mode. Just return without doing anything
+ * if so.
+ */
+ if (!user_mode(regs))
+ return 1;
+
+ if (try_to_freeze())
+ goto no_signal;
+
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ oldset = ¤t->saved_sigmask;
+ else if (!oldset)
+ oldset = ¤t->blocked;
+
+ signr = get_signal_to_deliver(&info, &ka, regs, 0);
+
+ if (signr > 0) {
+ /* Whee! Actually deliver the signal. */
+ handle_signal(signr, &info, &ka, oldset, regs);
+
+ /*
+ * If a signal was successfully delivered, the saved sigmask
+ * is in its frame, and we can clear the TIF_RESTORE_SIGMASK
+ * flag.
+ */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+
+ tracehook_signal_handler(signr, &info, &ka, regs, 0);
+ return 1;
+ }
+
+no_signal:
+ /* Did we come from a system call? */
+ if (regs->syscall_nr >= 0) {
+ /* Restart the system call - no handlers present */
+ switch (regs->regs[REG_RET]) {
+ case -ERESTARTNOHAND:
+ case -ERESTARTSYS:
+ case -ERESTARTNOINTR:
+ /* Decode Syscall # */
+ regs->regs[REG_RET] = regs->syscall_nr;
+ regs->pc -= 4;
+ break;
+
+ case -ERESTART_RESTARTBLOCK:
+ regs->regs[REG_RET] = __NR_restart_syscall;
+ regs->pc -= 4;
+ break;
+ }
+ }
+
+ /* No signal to deliver -- put the saved sigmask back */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL);
+ }
+
+ return 0;
+}
/*
* Atomically swap in the new signal mask, and wait for a signal.
switch (regs->regs[REG_RET]) {
case -ERESTART_RESTARTBLOCK:
case -ERESTARTNOHAND:
+ no_system_call_restart:
regs->regs[REG_RET] = -EINTR;
break;
case -ERESTARTSYS:
- if (!(ka->sa.sa_flags & SA_RESTART)) {
- regs->regs[REG_RET] = -EINTR;
- break;
- }
+ if (!(ka->sa.sa_flags & SA_RESTART))
+ goto no_system_call_restart;
/* fallthrough */
case -ERESTARTNOINTR:
/* Decode syscall # */
spin_unlock_irq(¤t->sighand->siglock);
}
-/*
- * Note that 'init' is a special process: it doesn't get signals it doesn't
- * want to handle. Thus you cannot kill init even with a SIGKILL even by
- * mistake.
- *
- * Note that we go through the signals twice: once to check the signals that
- * the kernel can handle, and then we build all the user-level signal handling
- * stack-frames in one go after that.
- */
-int do_signal(struct pt_regs *regs, sigset_t *oldset)
+asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags)
{
- siginfo_t info;
- int signr;
- struct k_sigaction ka;
-
- /*
- * We want the common case to go fast, which
- * is why we may in certain cases get here from
- * kernel mode. Just return without doing anything
- * if so.
- */
- if (!user_mode(regs))
- return 1;
-
- if (try_to_freeze())
- goto no_signal;
-
- if (test_thread_flag(TIF_RESTORE_SIGMASK))
- oldset = ¤t->saved_sigmask;
- else if (!oldset)
- oldset = ¤t->blocked;
-
- signr = get_signal_to_deliver(&info, &ka, regs, 0);
-
- if (signr > 0) {
- /* Whee! Actually deliver the signal. */
- handle_signal(signr, &info, &ka, oldset, regs);
+ if (thread_info_flags & _TIF_SIGPENDING)
+ do_signal(regs, 0);
- /*
- * If a signal was successfully delivered, the saved sigmask
- * is in its frame, and we can clear the TIF_RESTORE_SIGMASK
- * flag.
- */
- if (test_thread_flag(TIF_RESTORE_SIGMASK))
- clear_thread_flag(TIF_RESTORE_SIGMASK);
-
- return 1;
+ if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+ clear_thread_flag(TIF_NOTIFY_RESUME);
+ tracehook_notify_resume(regs);
}
-
-no_signal:
- /* Did we come from a system call? */
- if (regs->syscall_nr >= 0) {
- /* Restart the system call - no handlers present */
- switch (regs->regs[REG_RET]) {
- case -ERESTARTNOHAND:
- case -ERESTARTSYS:
- case -ERESTARTNOINTR:
- /* Decode Syscall # */
- regs->regs[REG_RET] = regs->syscall_nr;
- regs->pc -= 4;
- break;
-
- case -ERESTART_RESTARTBLOCK:
- regs->regs[REG_RET] = __NR_restart_syscall;
- regs->pc -= 4;
- break;
- }
- }
-
- /* No signal to deliver -- put the saved sigmask back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL);
- }
-
- return 0;
}
config CACHE_WRITEBACK
bool "Write-back"
- depends on CPU_SH2A || CPU_SH3 || CPU_SH4 || CPU_SH5
config CACHE_WRITETHROUGH
bool "Write-through"
obj-y := init.o extable_32.o consistent.o
ifndef CONFIG_CACHE_OFF
-obj-$(CONFIG_CPU_SH2) += cache-sh2.o
-obj-$(CONFIG_CPU_SH3) += cache-sh3.o
-obj-$(CONFIG_CPU_SH4) += cache-sh4.o
-obj-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
+cache-$(CONFIG_CPU_SH2) := cache-sh2.o
+cache-$(CONFIG_CPU_SH2A) := cache-sh2a.o
+cache-$(CONFIG_CPU_SH3) := cache-sh3.o
+cache-$(CONFIG_CPU_SH4) := cache-sh4.o
+cache-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
endif
+obj-y += $(cache-y)
+
mmu-y := tlb-nommu.o pg-nommu.o
mmu-$(CONFIG_MMU) := fault_32.o tlbflush_32.o ioremap_32.o
* arch/sh/mm/cache-sh2.c
*
* Copyright (C) 2002 Paul Mundt
+ * Copyright (C) 2008 Yoshinori Sato
*
* Released under the terms of the GNU GPL v2.0.
*/
end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- /* FIXME cache purge */
- ctrl_outl((v & 0x1ffffc00), (v & 0x00000ff0) | 0x00000008);
+ unsigned long addr = CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0);
+ int way;
+ for (way = 0; way < 4; way++) {
+ unsigned long data = ctrl_inl(addr | (way << 12));
+ if ((data & CACHE_PHYSADDR_MASK) == (v & CACHE_PHYSADDR_MASK)) {
+ data &= ~SH_CACHE_UPDATED;
+ ctrl_outl(data, addr | (way << 12));
+ }
+ }
}
}
begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- ctrl_outl((v & 0x1ffffc00), (v & 0x00000ff0) | 0x00000008);
- }
+
+ for (v = begin; v < end; v+=L1_CACHE_BYTES)
+ ctrl_outl((v & CACHE_PHYSADDR_MASK),
+ CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008);
}
void __flush_invalidate_region(void *start, int size)
{
+#ifdef CONFIG_CACHE_WRITEBACK
+ /*
+ * SH-2 does not support individual line invalidation, only a
+ * global invalidate.
+ */
+ unsigned long ccr;
+ unsigned long flags;
+ local_irq_save(flags);
+ jump_to_uncached();
+
+ ccr = ctrl_inl(CCR);
+ ccr |= CCR_CACHE_INVALIDATE;
+ ctrl_outl(ccr, CCR);
+
+ back_to_cached();
+ local_irq_restore(flags);
+#else
unsigned long v;
unsigned long begin, end;
begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- ctrl_outl((v & 0x1ffffc00), (v & 0x00000ff0) | 0x00000008);
- }
-}
+ for (v = begin; v < end; v+=L1_CACHE_BYTES)
+ ctrl_outl((v & CACHE_PHYSADDR_MASK),
+ CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008);
+#endif
+}
--- /dev/null
+/*
+ * arch/sh/mm/cache-sh2a.c
+ *
+ * Copyright (C) 2008 Yoshinori Sato
+ *
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+#include <linux/init.h>
+#include <linux/mm.h>
+
+#include <asm/cache.h>
+#include <asm/addrspace.h>
+#include <asm/processor.h>
+#include <asm/cacheflush.h>
+#include <asm/io.h>
+
+void __flush_wback_region(void *start, int size)
+{
+ unsigned long v;
+ unsigned long begin, end;
+ unsigned long flags;
+
+ begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+ end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+ & ~(L1_CACHE_BYTES-1);
+
+ local_irq_save(flags);
+ jump_to_uncached();
+
+ for (v = begin; v < end; v+=L1_CACHE_BYTES) {
+ unsigned long addr = CACHE_OC_ADDRESS_ARRAY | (v & 0x000007f0);
+ int way;
+ for (way = 0; way < 4; way++) {
+ unsigned long data = ctrl_inl(addr | (way << 11));
+ if ((data & CACHE_PHYSADDR_MASK) == (v & CACHE_PHYSADDR_MASK)) {
+ data &= ~SH_CACHE_UPDATED;
+ ctrl_outl(data, addr | (way << 11));
+ }
+ }
+ }
+
+ back_to_cached();
+ local_irq_restore(flags);
+}
+
+void __flush_purge_region(void *start, int size)
+{
+ unsigned long v;
+ unsigned long begin, end;
+ unsigned long flags;
+
+ begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+ end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+ & ~(L1_CACHE_BYTES-1);
+
+ local_irq_save(flags);
+ jump_to_uncached();
+
+ for (v = begin; v < end; v+=L1_CACHE_BYTES) {
+ ctrl_outl((v & CACHE_PHYSADDR_MASK),
+ CACHE_OC_ADDRESS_ARRAY | (v & 0x000003f0) | 0x00000008);
+ }
+ back_to_cached();
+ local_irq_restore(flags);
+}
+
+void __flush_invalidate_region(void *start, int size)
+{
+ unsigned long v;
+ unsigned long begin, end;
+ unsigned long flags;
+
+ begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+ end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+ & ~(L1_CACHE_BYTES-1);
+ local_irq_save(flags);
+ jump_to_uncached();
+
+#ifdef CONFIG_CACHE_WRITEBACK
+ ctrl_outl(ctrl_inl(CCR) | CCR_OCACHE_INVALIDATE, CCR);
+ /* I-cache invalidate */
+ for (v = begin; v < end; v+=L1_CACHE_BYTES) {
+ ctrl_outl((v & CACHE_PHYSADDR_MASK),
+ CACHE_IC_ADDRESS_ARRAY | (v & 0x000003f0) | 0x00000008);
+ }
+#else
+ for (v = begin; v < end; v+=L1_CACHE_BYTES) {
+ ctrl_outl((v & CACHE_PHYSADDR_MASK),
+ CACHE_IC_ADDRESS_ARRAY | (v & 0x000003f0) | 0x00000008);
+ ctrl_outl((v & CACHE_PHYSADDR_MASK),
+ CACHE_OC_ADDRESS_ARRAY | (v & 0x000003f0) | 0x00000008);
+ }
+#endif
+ back_to_cached();
+ local_irq_restore(flags);
+}
+
+/* WBack O-Cache and flush I-Cache */
+void flush_icache_range(unsigned long start, unsigned long end)
+{
+ unsigned long v;
+ unsigned long flags;
+
+ start = start & ~(L1_CACHE_BYTES-1);
+ end = (end + L1_CACHE_BYTES-1) & ~(L1_CACHE_BYTES-1);
+
+ local_irq_save(flags);
+ jump_to_uncached();
+
+ for (v = start; v < end; v+=L1_CACHE_BYTES) {
+ unsigned long addr = (v & 0x000007f0);
+ int way;
+ /* O-Cache writeback */
+ for (way = 0; way < 4; way++) {
+ unsigned long data = ctrl_inl(CACHE_OC_ADDRESS_ARRAY | addr | (way << 11));
+ if ((data & CACHE_PHYSADDR_MASK) == (v & CACHE_PHYSADDR_MASK)) {
+ data &= ~SH_CACHE_UPDATED;
+ ctrl_outl(data, CACHE_OC_ADDRESS_ARRAY | addr | (way << 11));
+ }
+ }
+ /* I-Cache invalidate */
+ ctrl_outl(addr,
+ CACHE_IC_ADDRESS_ARRAY | addr | 0x00000008);
+ }
+
+ back_to_cached();
+ local_irq_restore(flags);
+}
#include <asm/mmu_context.h>
/**
- * sh64_tlb_init
- *
- * Perform initial setup for the DTLB and ITLB.
+ * sh64_tlb_init - Perform initial setup for the DTLB and ITLB.
*/
int __init sh64_tlb_init(void)
{
}
/**
- * sh64_next_free_dtlb_entry
- *
- * Find the next available DTLB entry
+ * sh64_next_free_dtlb_entry - Find the next available DTLB entry
*/
unsigned long long sh64_next_free_dtlb_entry(void)
{
}
/**
- * sh64_get_wired_dtlb_entry
- *
- * Allocate a wired (locked-in) entry in the DTLB
+ * sh64_get_wired_dtlb_entry - Allocate a wired (locked-in) entry in the DTLB
*/
unsigned long long sh64_get_wired_dtlb_entry(void)
{
}
/**
- * sh64_put_wired_dtlb_entry
+ * sh64_put_wired_dtlb_entry - Free a wired (locked-in) entry in the DTLB.
*
* @entry: Address of TLB slot.
*
- * Free a wired (locked-in) entry in the DTLB.
- *
* Works like a stack, last one to allocate must be first one to free.
*/
int sh64_put_wired_dtlb_entry(unsigned long long entry)
}
/**
- * sh64_setup_tlb_slot
+ * sh64_setup_tlb_slot - Load up a translation in a wired slot.
*
* @config_addr: Address of TLB slot.
* @eaddr: Virtual address.
}
/**
- * sh64_teardown_tlb_slot
+ * sh64_teardown_tlb_slot - Teardown a translation.
*
* @config_addr: Address of TLB slot.
*
# Shamelessly cloned from ARM.
#
-arch/sh/include/asm/machtypes.h: $(src)/gen-mach-types $(src)/mach-types
+include/asm-sh/machtypes.h: $(src)/gen-mach-types $(src)/mach-types
@echo ' Generating $@'
- $(Q)if [ ! -d arch/sh/include/asm ]; then mkdir -p arch/sh/include/asm; fi
+ $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
$(Q)$(AWK) -f $^ > $@ || { rm -f $@; /bin/false; }
* SEGA Dreamcast keyboard driver
* Based on drivers/usb/usbkbd.c
* Copyright YAEGASHI Takeshi, 2001
- * Porting to 2.6 Copyright Adrian McMenamin, 2007
+ * Porting to 2.6 Copyright Adrian McMenamin, 2007, 2008
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
};
static const unsigned short dc_kbd_keycode[NR_SCANCODES] = {
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_A, KEY_B, KEY_C, KEY_D,
- KEY_E, KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L,
- KEY_M, KEY_N, KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T,
- KEY_U, KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_1, KEY_2,
- KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_0,
- KEY_ENTER, KEY_ESC, KEY_BACKSPACE, KEY_TAB, KEY_SPACE, KEY_MINUS, KEY_EQUAL, KEY_LEFTBRACE,
- KEY_RIGHTBRACE, KEY_BACKSLASH, KEY_BACKSLASH, KEY_SEMICOLON, KEY_APOSTROPHE, KEY_GRAVE, KEY_COMMA,
- KEY_DOT, KEY_SLASH, KEY_CAPSLOCK, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_A, KEY_B,
+ KEY_C, KEY_D, KEY_E, KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L,
+ KEY_M, KEY_N, KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U, KEY_V,
+ KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6,
+ KEY_7, KEY_8, KEY_9, KEY_0, KEY_ENTER, KEY_ESC, KEY_BACKSPACE,
+ KEY_TAB, KEY_SPACE, KEY_MINUS, KEY_EQUAL, KEY_LEFTBRACE,
+ KEY_RIGHTBRACE, KEY_BACKSLASH, KEY_BACKSLASH, KEY_SEMICOLON,
+ KEY_APOSTROPHE, KEY_GRAVE, KEY_COMMA, KEY_DOT, KEY_SLASH,
+ KEY_CAPSLOCK, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6,
KEY_F7, KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_F12, KEY_SYSRQ,
- KEY_SCROLLLOCK, KEY_PAUSE, KEY_INSERT, KEY_HOME, KEY_PAGEUP, KEY_DELETE,
- KEY_END, KEY_PAGEDOWN, KEY_RIGHT, KEY_LEFT, KEY_DOWN, KEY_UP,
- KEY_NUMLOCK, KEY_KPSLASH, KEY_KPASTERISK, KEY_KPMINUS, KEY_KPPLUS, KEY_KPENTER, KEY_KP1, KEY_KP2,
- KEY_KP3, KEY_KP4, KEY_KP5, KEY_KP6, KEY_KP7, KEY_KP8, KEY_KP9, KEY_KP0, KEY_KPDOT,
- KEY_102ND, KEY_COMPOSE, KEY_POWER, KEY_KPEQUAL, KEY_F13, KEY_F14, KEY_F15,
- KEY_F16, KEY_F17, KEY_F18, KEY_F19, KEY_F20,
- KEY_F21, KEY_F22, KEY_F23, KEY_F24, KEY_OPEN, KEY_HELP, KEY_PROPS, KEY_FRONT,
- KEY_STOP, KEY_AGAIN, KEY_UNDO, KEY_CUT, KEY_COPY, KEY_PASTE, KEY_FIND, KEY_MUTE,
- KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_KPCOMMA, KEY_RESERVED, KEY_RO, KEY_KATAKANAHIRAGANA , KEY_YEN,
- KEY_HENKAN, KEY_MUHENKAN, KEY_KPJPCOMMA, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_HANGEUL, KEY_HANJA, KEY_KATAKANA, KEY_HIRAGANA, KEY_ZENKAKUHANKAKU, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
- KEY_LEFTCTRL, KEY_LEFTSHIFT, KEY_LEFTALT, KEY_LEFTMETA, KEY_RIGHTCTRL, KEY_RIGHTSHIFT, KEY_RIGHTALT, KEY_RIGHTMETA,
- KEY_PLAYPAUSE, KEY_STOPCD, KEY_PREVIOUSSONG, KEY_NEXTSONG, KEY_EJECTCD, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE,
- KEY_WWW, KEY_BACK, KEY_FORWARD, KEY_STOP, KEY_FIND, KEY_SCROLLUP, KEY_SCROLLDOWN, KEY_EDIT, KEY_SLEEP,
- KEY_SCREENLOCK, KEY_REFRESH, KEY_CALC, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED
+ KEY_SCROLLLOCK, KEY_PAUSE, KEY_INSERT, KEY_HOME, KEY_PAGEUP,
+ KEY_DELETE, KEY_END, KEY_PAGEDOWN, KEY_RIGHT, KEY_LEFT, KEY_DOWN,
+ KEY_UP, KEY_NUMLOCK, KEY_KPSLASH, KEY_KPASTERISK, KEY_KPMINUS,
+ KEY_KPPLUS, KEY_KPENTER, KEY_KP1, KEY_KP2, KEY_KP3, KEY_KP4, KEY_KP5,
+ KEY_KP6, KEY_KP7, KEY_KP8, KEY_KP9, KEY_KP0, KEY_KPDOT, KEY_102ND,
+ KEY_COMPOSE, KEY_POWER, KEY_KPEQUAL, KEY_F13, KEY_F14, KEY_F15,
+ KEY_F16, KEY_F17, KEY_F18, KEY_F19, KEY_F20, KEY_F21, KEY_F22,
+ KEY_F23, KEY_F24, KEY_OPEN, KEY_HELP, KEY_PROPS, KEY_FRONT, KEY_STOP,
+ KEY_AGAIN, KEY_UNDO, KEY_CUT, KEY_COPY, KEY_PASTE, KEY_FIND, KEY_MUTE,
+ KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_KPCOMMA, KEY_RESERVED, KEY_RO, KEY_KATAKANAHIRAGANA , KEY_YEN,
+ KEY_HENKAN, KEY_MUHENKAN, KEY_KPJPCOMMA, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_HANGEUL, KEY_HANJA, KEY_KATAKANA, KEY_HIRAGANA,
+ KEY_ZENKAKUHANKAKU, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
+ KEY_RESERVED, KEY_RESERVED, KEY_LEFTCTRL, KEY_LEFTSHIFT, KEY_LEFTALT,
+ KEY_LEFTMETA, KEY_RIGHTCTRL, KEY_RIGHTSHIFT, KEY_RIGHTALT,
+ KEY_RIGHTMETA, KEY_PLAYPAUSE, KEY_STOPCD, KEY_PREVIOUSSONG,
+ KEY_NEXTSONG, KEY_EJECTCD, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE,
+ KEY_WWW, KEY_BACK, KEY_FORWARD, KEY_STOP, KEY_FIND, KEY_SCROLLUP,
+ KEY_SCROLLDOWN, KEY_EDIT, KEY_SLEEP, KEY_SCREENLOCK, KEY_REFRESH,
+ KEY_CALC, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED
};
static void dc_scan_kbd(struct dc_kbd *kbd)
static void dc_kbd_callback(struct mapleq *mq)
{
struct maple_device *mapledev = mq->dev;
- struct dc_kbd *kbd = mapledev->private_data;
+ struct dc_kbd *kbd = maple_get_drvdata(mapledev);
unsigned long *buf = mq->recvbuf;
/*
- * We should always be getting the lock because the only
- * time it may be locked if driver is in cleanup phase.
+ * We should always get the lock because the only
+ * time it may be locked is if the driver is in the cleanup phase.
*/
if (likely(mutex_trylock(&maple_keyb_mutex))) {
}
}
-static int dc_kbd_connect(struct maple_device *mdev)
+static int probe_maple_kbd(struct device *dev)
{
+ struct maple_device *mdev = to_maple_dev(dev);
+ struct maple_driver *mdrv = to_maple_driver(dev->driver);
int i, error;
struct dc_kbd *kbd;
- struct input_dev *dev;
+ struct input_dev *idev;
if (!(mdev->function & MAPLE_FUNC_KEYBOARD))
return -EINVAL;
kbd = kzalloc(sizeof(struct dc_kbd), GFP_KERNEL);
- dev = input_allocate_device();
- if (!kbd || !dev) {
+ idev = input_allocate_device();
+ if (!kbd || !idev) {
error = -ENOMEM;
goto fail;
}
- mdev->private_data = kbd;
-
- kbd->dev = dev;
+ kbd->dev = idev;
memcpy(kbd->keycode, dc_kbd_keycode, sizeof(kbd->keycode));
- dev->name = mdev->product_name;
- dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
- dev->keycode = kbd->keycode;
- dev->keycodesize = sizeof (unsigned short);
- dev->keycodemax = ARRAY_SIZE(kbd->keycode);
- dev->id.bustype = BUS_HOST;
- dev->dev.parent = &mdev->dev;
+ idev->name = mdev->product_name;
+ idev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+ idev->keycode = kbd->keycode;
+ idev->keycodesize = sizeof(unsigned short);
+ idev->keycodemax = ARRAY_SIZE(kbd->keycode);
+ idev->id.bustype = BUS_HOST;
+ idev->dev.parent = &mdev->dev;
for (i = 0; i < NR_SCANCODES; i++)
- __set_bit(dc_kbd_keycode[i], dev->keybit);
- __clear_bit(KEY_RESERVED, dev->keybit);
+ __set_bit(dc_kbd_keycode[i], idev->keybit);
+ __clear_bit(KEY_RESERVED, idev->keybit);
- input_set_capability(dev, EV_MSC, MSC_SCAN);
- input_set_drvdata(dev, kbd);
+ input_set_capability(idev, EV_MSC, MSC_SCAN);
+ input_set_drvdata(idev, kbd);
- error = input_register_device(dev);
+ error = input_register_device(idev);
if (error)
goto fail;
/* Maple polling is locked to VBLANK - which may be just 50/s */
- maple_getcond_callback(mdev, dc_kbd_callback, HZ/50, MAPLE_FUNC_KEYBOARD);
- return 0;
+ maple_getcond_callback(mdev, dc_kbd_callback, HZ/50,
+ MAPLE_FUNC_KEYBOARD);
- fail:
- input_free_device(dev);
+ mdev->driver = mdrv;
+
+ maple_set_drvdata(mdev, kbd);
+
+ return error;
+
+fail:
+ input_free_device(idev);
kfree(kbd);
- mdev->private_data = NULL;
+ maple_set_drvdata(mdev, NULL);
return error;
}
-static void dc_kbd_disconnect(struct maple_device *mdev)
+static int remove_maple_kbd(struct device *dev)
{
- struct dc_kbd *kbd;
+ struct maple_device *mdev = to_maple_dev(dev);
+ struct dc_kbd *kbd = maple_get_drvdata(mdev);
mutex_lock(&maple_keyb_mutex);
- kbd = mdev->private_data;
- mdev->private_data = NULL;
input_unregister_device(kbd->dev);
kfree(kbd);
- mutex_unlock(&maple_keyb_mutex);
-}
-
-/* allow the keyboard to be used */
-static int probe_maple_kbd(struct device *dev)
-{
- struct maple_device *mdev = to_maple_dev(dev);
- struct maple_driver *mdrv = to_maple_driver(dev->driver);
- int error;
-
- error = dc_kbd_connect(mdev);
- if (error)
- return error;
-
- mdev->driver = mdrv;
- mdev->registered = 1;
+ maple_set_drvdata(mdev, NULL);
+ mutex_unlock(&maple_keyb_mutex);
return 0;
}
static struct maple_driver dc_kbd_driver = {
.function = MAPLE_FUNC_KEYBOARD,
- .connect = dc_kbd_connect,
- .disconnect = dc_kbd_disconnect,
.drv = {
.name = "Dreamcast_keyboard",
.probe = probe_maple_kbd,
- },
+ .remove = remove_maple_kbd,
+ },
};
static int __init dc_kbd_init(void)
{
- return maple_driver_register(&dc_kbd_driver.drv);
+ return maple_driver_register(&dc_kbd_driver);
}
static void __exit dc_kbd_exit(void)
{
- driver_unregister(&dc_kbd_driver.drv);
+ maple_driver_unregister(&dc_kbd_driver);
}
module_init(dc_kbd_init);
#include <asm/system.h>
#include <asm/io.h>
-#include <asm/se.h>
+#include <mach-se/mach/se.h>
#include <asm/machvec.h>
#ifdef CONFIG_SH_STANDARD_BIOS
#include <asm/sh_bios.h>
* Core maple bus functionality
*
* Copyright (C) 2007, 2008 Adrian McMenamin
+ * Copyright (C) 2001 - 2008 Paul Mundt
*
* Based on 2.4 code by:
*
#include <mach/dma.h>
#include <mach/sysasic.h>
-MODULE_AUTHOR("Yaegshi Takeshi, Paul Mundt, M.R. Brown, Adrian McMenamin");
+MODULE_AUTHOR("Yaegashi Takeshi, Paul Mundt, M. R. Brown, Adrian McMenamin");
MODULE_DESCRIPTION("Maple bus driver for Dreamcast");
MODULE_LICENSE("GPL v2");
MODULE_SUPPORTED_DEVICE("{{SEGA, Dreamcast/Maple}}");
static struct maple_device *baseunits[4];
/**
- * maple_driver_register - register a device driver
- * automatically makes the driver bus a maple bus
- * @drv: the driver to be registered
+ * maple_driver_register - register a maple driver
+ * @drv: maple driver to be registered.
+ *
+ * Registers the passed in @drv, while updating the bus type.
+ * Devices with matching function IDs will be automatically probed.
*/
-int maple_driver_register(struct device_driver *drv)
+int maple_driver_register(struct maple_driver *drv)
{
if (!drv)
return -EINVAL;
- drv->bus = &maple_bus_type;
- return driver_register(drv);
+
+ drv->drv.bus = &maple_bus_type;
+
+ return driver_register(&drv->drv);
}
EXPORT_SYMBOL_GPL(maple_driver_register);
+/**
+ * maple_driver_unregister - unregister a maple driver.
+ * @drv: maple driver to unregister.
+ *
+ * Cleans up after maple_driver_register(). To be invoked in the exit
+ * path of any module drivers.
+ */
+void maple_driver_unregister(struct maple_driver *drv)
+{
+ driver_unregister(&drv->drv);
+}
+EXPORT_SYMBOL_GPL(maple_driver_unregister);
+
/* set hardware registers to enable next round of dma */
static void maplebus_dma_reset(void)
{
kfree(mdev);
}
-/*
+/**
* maple_add_packet - add a single instruction to the queue
- * @mdev - maple device
- * @function - function on device being queried
- * @command - maple command to add
- * @length - length of command string (in 32 bit words)
- * @data - remainder of command string
+ * @mdev: maple device
+ * @function: function on device being queried
+ * @command: maple command to add
+ * @length: length of command string (in 32 bit words)
+ * @data: remainder of command string
*/
int maple_add_packet(struct maple_device *mdev, u32 function, u32 command,
size_t length, void *data)
}
EXPORT_SYMBOL_GPL(maple_add_packet);
-/*
+/**
* maple_add_packet_sleeps - add a single instruction to the queue
- * - waits for lock to be free
- * @mdev - maple device
- * @function - function on device being queried
- * @command - maple command to add
- * @length - length of command string (in 32 bit words)
- * @data - remainder of command string
+ * @mdev: maple device
+ * @function: function on device being queried
+ * @command: maple command to add
+ * @length: length of command string (in 32 bit words)
+ * @data: remainder of command string
+ *
+ * Same as maple_add_packet(), but waits for the lock to become free.
*/
int maple_add_packet_sleeps(struct maple_device *mdev, u32 function,
u32 command, size_t length, void *data)
static int match_maple_bus_driver(struct device *devptr,
struct device_driver *drvptr)
{
- struct maple_driver *maple_drv;
- struct maple_device *maple_dev;
+ struct maple_driver *maple_drv = to_maple_driver(drvptr);
+ struct maple_device *maple_dev = to_maple_dev(devptr);
- maple_drv = container_of(drvptr, struct maple_driver, drv);
- maple_dev = container_of(devptr, struct maple_device, dev);
/* Trap empty port case */
if (maple_dev->devinfo.function == 0xFFFFFFFF)
return 0;
struct maple_device {
struct maple_driver *driver;
struct mapleq *mq;
- void *private_data;
void (*callback) (struct mapleq * mq);
unsigned long when, interval, function;
struct maple_devinfo devinfo;
void (*callback) (struct mapleq * mq),
unsigned long interval,
unsigned long function);
-int maple_driver_register(struct device_driver *drv);
+int maple_driver_register(struct maple_driver *);
+void maple_driver_unregister(struct maple_driver *);
+
int maple_add_packet_sleeps(struct maple_device *mdev, u32 function,
u32 command, u32 length, void *data);
void maple_clear_dev(struct maple_device *mdev);
#define to_maple_dev(n) container_of(n, struct maple_device, dev)
#define to_maple_driver(n) container_of(n, struct maple_driver, drv)
+#define maple_get_drvdata(d) dev_get_drvdata(&(d)->dev)
+#define maple_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, (p))
+
#endif /* __LINUX_MAPLE_H */
}
EXPORT_SYMBOL(vmalloc_node);
+#ifndef PAGE_KERNEL_EXEC
+# define PAGE_KERNEL_EXEC PAGE_KERNEL
+#endif
+
+/**
+ * vmalloc_exec - allocate virtually contiguous, executable memory
+ * @size: allocation size
+ *
+ * Kernel-internal function to allocate enough pages to cover @size
+ * the page level allocator and map them into contiguous and
+ * executable kernel virtual space.
+ *
+ * For tight control over page level allocator and protection flags
+ * use __vmalloc() instead.
+ */
+
+void *vmalloc_exec(unsigned long size)
+{
+ return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC);
+}
+
/**
* vmalloc_32 - allocate virtually contiguous memory (32bit addressable)
* @size: allocation size
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff