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-rw-r--r--include/asm-sh/bug.h4
-rw-r--r--include/asm-sh/cpu-features.h1
-rw-r--r--include/asm-sh/dmabrg.h23
-rw-r--r--include/asm-sh/kdebug.h25
-rw-r--r--include/asm-sh/pgalloc.h44
-rw-r--r--include/asm-sh/system.h9
-rw-r--r--include/asm-sh/timer.h25
-rw-r--r--include/asm-sh/unistd.h5
8 files changed, 72 insertions, 64 deletions
diff --git a/include/asm-sh/bug.h b/include/asm-sh/bug.h
index 794c36daf06..46f925c815a 100644
--- a/include/asm-sh/bug.h
+++ b/include/asm-sh/bug.h
@@ -1,12 +1,12 @@
#ifndef __ASM_SH_BUG_H
#define __ASM_SH_BUG_H
+#define TRAPA_BUG_OPCODE 0xc33e /* trapa #0x3e */
+
#ifdef CONFIG_BUG
#define HAVE_ARCH_BUG
#define HAVE_ARCH_WARN_ON
-#define TRAPA_BUG_OPCODE 0xc33e /* trapa #0x3e */
-
/**
* _EMIT_BUG_ENTRY
* %1 - __FILE__
diff --git a/include/asm-sh/cpu-features.h b/include/asm-sh/cpu-features.h
index 4bccd7c032f..86308aa3973 100644
--- a/include/asm-sh/cpu-features.h
+++ b/include/asm-sh/cpu-features.h
@@ -20,5 +20,6 @@
#define CPU_HAS_PTEA 0x0020 /* PTEA register */
#define CPU_HAS_LLSC 0x0040 /* movli.l/movco.l */
#define CPU_HAS_L2_CACHE 0x0080 /* Secondary cache / URAM */
+#define CPU_HAS_OP32 0x0100 /* 32-bit instruction support */
#endif /* __ASM_SH_CPU_FEATURES_H */
diff --git a/include/asm-sh/dmabrg.h b/include/asm-sh/dmabrg.h
new file mode 100644
index 00000000000..c5edba216cf
--- /dev/null
+++ b/include/asm-sh/dmabrg.h
@@ -0,0 +1,23 @@
+/*
+ * SH7760 DMABRG (USB/Audio) support
+ */
+
+#ifndef _DMABRG_H_
+#define _DMABRG_H_
+
+/* IRQ sources */
+#define DMABRGIRQ_USBDMA 0
+#define DMABRGIRQ_USBDMAERR 1
+#define DMABRGIRQ_A0TXF 2
+#define DMABRGIRQ_A0TXH 3
+#define DMABRGIRQ_A0RXF 4
+#define DMABRGIRQ_A0RXH 5
+#define DMABRGIRQ_A1TXF 6
+#define DMABRGIRQ_A1TXH 7
+#define DMABRGIRQ_A1RXF 8
+#define DMABRGIRQ_A1RXH 9
+
+extern int dmabrg_request_irq(unsigned int, void(*)(void *), void *);
+extern void dmabrg_free_irq(unsigned int);
+
+#endif
diff --git a/include/asm-sh/kdebug.h b/include/asm-sh/kdebug.h
index 493c2062974..16578b7c9da 100644
--- a/include/asm-sh/kdebug.h
+++ b/include/asm-sh/kdebug.h
@@ -2,20 +2,6 @@
#define __ASM_SH_KDEBUG_H
#include <linux/notifier.h>
-#include <asm-generic/kdebug.h>
-
-struct pt_regs;
-
-struct die_args {
- struct pt_regs *regs;
- int trapnr;
-};
-
-int register_die_notifier(struct notifier_block *nb);
-int unregister_die_notifier(struct notifier_block *nb);
-int register_page_fault_notifier(struct notifier_block *nb);
-int unregister_page_fault_notifier(struct notifier_block *nb);
-extern struct atomic_notifier_head shdie_chain;
/* Grossly misnamed. */
enum die_val {
@@ -23,14 +9,7 @@ enum die_val {
DIE_PAGE_FAULT,
};
-static inline int notify_die(enum die_val val, struct pt_regs *regs,
- int trap, int sig)
-{
- struct die_args args = {
- .regs = regs,
- .trapnr = trap,
- };
+int register_page_fault_notifier(struct notifier_block *nb);
+int unregister_page_fault_notifier(struct notifier_block *nb);
- return atomic_notifier_call_chain(&shdie_chain, val, &args);
-}
#endif /* __ASM_SH_KDEBUG_H */
diff --git a/include/asm-sh/pgalloc.h b/include/asm-sh/pgalloc.h
index 888e4529e6f..18b613c57cf 100644
--- a/include/asm-sh/pgalloc.h
+++ b/include/asm-sh/pgalloc.h
@@ -1,6 +1,12 @@
#ifndef __ASM_SH_PGALLOC_H
#define __ASM_SH_PGALLOC_H
+#include <linux/quicklist.h>
+#include <asm/page.h>
+
+#define QUICK_PGD 0 /* We preserve special mappings over free */
+#define QUICK_PT 1 /* Other page table pages that are zero on free */
+
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
pte_t *pte)
{
@@ -13,48 +19,49 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
}
+static inline void pgd_ctor(void *x)
+{
+ pgd_t *pgd = x;
+
+ memcpy(pgd + USER_PTRS_PER_PGD,
+ swapper_pg_dir + USER_PTRS_PER_PGD,
+ (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
+}
+
/*
* Allocate and free page tables.
*/
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
- pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT);
-
- if (pgd) {
- memset(pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t));
- memcpy(pgd + USER_PTRS_PER_PGD,
- swapper_pg_dir + USER_PTRS_PER_PGD,
- (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
- }
-
- return pgd;
+ return quicklist_alloc(QUICK_PGD, GFP_KERNEL | __GFP_REPEAT, pgd_ctor);
}
static inline void pgd_free(pgd_t *pgd)
{
- free_page((unsigned long)pgd);
+ quicklist_free(QUICK_PGD, NULL, pgd);
}
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
+ return quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL);
}
static inline struct page *pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
- return alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
+ void *pg = quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL);
+ return pg ? virt_to_page(pg) : NULL;
}
static inline void pte_free_kernel(pte_t *pte)
{
- free_page((unsigned long)pte);
+ quicklist_free(QUICK_PT, NULL, pte);
}
static inline void pte_free(struct page *pte)
{
- __free_page(pte);
+ quicklist_free_page(QUICK_PT, NULL, pte);
}
#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
@@ -66,6 +73,11 @@ static inline void pte_free(struct page *pte)
#define pmd_free(x) do { } while (0)
#define __pmd_free_tlb(tlb,x) do { } while (0)
-#define check_pgt_cache() do { } while (0)
+
+static inline void check_pgt_cache(void)
+{
+ quicklist_trim(QUICK_PGD, NULL, 25, 16);
+ quicklist_trim(QUICK_PT, NULL, 25, 16);
+}
#endif /* __ASM_SH_PGALLOC_H */
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
index e7e96ee0c8a..82f3e229e62 100644
--- a/include/asm-sh/system.h
+++ b/include/asm-sh/system.h
@@ -255,6 +255,15 @@ static inline void *set_exception_table_evt(unsigned int evt, void *handler)
return set_exception_table_vec(evt >> 5, handler);
}
+/*
+ * SH-2A has both 16 and 32-bit opcodes, do lame encoding checks.
+ */
+#ifdef CONFIG_CPU_SH2A
+extern unsigned int instruction_size(unsigned int insn);
+#else
+#define instruction_size(insn) (2)
+#endif
+
/* XXX
* disable hlt during certain critical i/o operations
*/
diff --git a/include/asm-sh/timer.h b/include/asm-sh/timer.h
index 17b5e76a4c3..701ba84c704 100644
--- a/include/asm-sh/timer.h
+++ b/include/asm-sh/timer.h
@@ -2,12 +2,14 @@
#define __ASM_SH_TIMER_H
#include <linux/sysdev.h>
+#include <linux/clocksource.h>
#include <asm/cpu/timer.h>
struct sys_timer_ops {
int (*init)(void);
int (*start)(void);
int (*stop)(void);
+ cycle_t (*read)(void);
#ifndef CONFIG_GENERIC_TIME
unsigned long (*get_offset)(void);
#endif
@@ -18,29 +20,8 @@ struct sys_timer {
struct sys_device dev;
struct sys_timer_ops *ops;
-
-#ifdef CONFIG_NO_IDLE_HZ
- struct dyn_tick_timer *dyn_tick;
-#endif
};
-#ifdef CONFIG_NO_IDLE_HZ
-#define DYN_TICK_ENABLED (1 << 1)
-
-struct dyn_tick_timer {
- spinlock_t lock;
- unsigned int state; /* Current state */
- int (*enable)(void); /* Enables dynamic tick */
- int (*disable)(void); /* Disables dynamic tick */
- void (*reprogram)(unsigned long); /* Reprograms the timer */
- int (*handler)(int, void *);
-};
-
-void timer_dyn_reprogram(void);
-#else
-#define timer_dyn_reprogram() do { } while (0)
-#endif
-
#define TICK_SIZE (tick_nsec / 1000)
extern struct sys_timer tmu_timer, cmt_timer, mtu2_timer;
@@ -58,5 +39,7 @@ struct sys_timer *get_sys_timer(void);
/* arch/sh/kernel/time.c */
void handle_timer_tick(void);
+extern unsigned long sh_hpt_frequency;
+extern struct clocksource clocksource_sh;
#endif /* __ASM_SH_TIMER_H */
diff --git a/include/asm-sh/unistd.h b/include/asm-sh/unistd.h
index 49be50a36b7..af71e379a5e 100644
--- a/include/asm-sh/unistd.h
+++ b/include/asm-sh/unistd.h
@@ -85,7 +85,7 @@
#define __NR_sigpending 73
#define __NR_sethostname 74
#define __NR_setrlimit 75
-#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */
+#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */
#define __NR_getrusage 77
#define __NR_gettimeofday 78
#define __NR_settimeofday 79
@@ -328,8 +328,9 @@
#define __NR_move_pages 317
#define __NR_getcpu 318
#define __NR_epoll_pwait 319
+#define __NR_utimensat 320
-#define NR_syscalls 320
+#define NR_syscalls 321
#ifdef __KERNEL__
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 14:14:35 +0000