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-rw-r--r--include/asm-m68k/amigaints.h96
-rw-r--r--include/asm-m68k/apollohw.h4
-rw-r--r--include/asm-m68k/atari_stdma.h2
-rw-r--r--include/asm-m68k/atariints.h11
-rw-r--r--include/asm-m68k/bvme6000hw.h30
-rw-r--r--include/asm-m68k/cacheflush.h40
-rw-r--r--include/asm-m68k/dma-mapping.h90
-rw-r--r--include/asm-m68k/floppy.h4
-rw-r--r--include/asm-m68k/irq.h112
-rw-r--r--include/asm-m68k/mac_oss.h10
-rw-r--r--include/asm-m68k/machdep.h6
-rw-r--r--include/asm-m68k/macintosh.h10
-rw-r--r--include/asm-m68k/macints.h14
-rw-r--r--include/asm-m68k/mvme147hw.h44
-rw-r--r--include/asm-m68k/mvme16xhw.h40
-rw-r--r--include/asm-m68k/processor.h8
-rw-r--r--include/asm-m68k/scatterlist.h9
-rw-r--r--include/asm-m68k/signal.h21
-rw-r--r--include/asm-m68k/socket.h1
-rw-r--r--include/asm-m68k/sun3ints.h22
-rw-r--r--include/asm-m68k/sun3xflop.h3
-rw-r--r--include/asm-m68k/traps.h7
-rw-r--r--include/asm-m68k/uaccess.h1100
-rw-r--r--include/asm-m68k/unistd.h39
24 files changed, 590 insertions, 1133 deletions
diff --git a/include/asm-m68k/amigaints.h b/include/asm-m68k/amigaints.h
index aa968d014bb..7c8713468fd 100644
--- a/include/asm-m68k/amigaints.h
+++ b/include/asm-m68k/amigaints.h
@@ -13,6 +13,8 @@
#ifndef _ASMm68k_AMIGAINTS_H_
#define _ASMm68k_AMIGAINTS_H_
+#include <asm/irq.h>
+
/*
** Amiga Interrupt sources.
**
@@ -23,72 +25,52 @@
#define CIA_IRQS (5)
#define AMI_IRQS (32) /* AUTO_IRQS+AMI_STD_IRQS+2*CIA_IRQS */
-/* vertical blanking interrupt */
-#define IRQ_AMIGA_VERTB 0
+/* builtin serial port interrupts */
+#define IRQ_AMIGA_TBE (IRQ_USER+0)
+#define IRQ_AMIGA_RBF (IRQ_USER+11)
-/* copper interrupt */
-#define IRQ_AMIGA_COPPER 1
+/* floppy disk interrupts */
+#define IRQ_AMIGA_DSKBLK (IRQ_USER+1)
+#define IRQ_AMIGA_DSKSYN (IRQ_USER+12)
-/* Audio interrupts */
-#define IRQ_AMIGA_AUD0 2
-#define IRQ_AMIGA_AUD1 3
-#define IRQ_AMIGA_AUD2 4
-#define IRQ_AMIGA_AUD3 5
+/* software interrupts */
+#define IRQ_AMIGA_SOFT (IRQ_USER+2)
-/* Blitter done interrupt */
-#define IRQ_AMIGA_BLIT 6
+/* interrupts from external hardware */
+#define IRQ_AMIGA_PORTS IRQ_AUTO_2
+#define IRQ_AMIGA_EXTER IRQ_AUTO_6
-/* floppy disk interrupts */
-#define IRQ_AMIGA_DSKSYN 7
-#define IRQ_AMIGA_DSKBLK 8
+/* copper interrupt */
+#define IRQ_AMIGA_COPPER (IRQ_USER+4)
-/* builtin serial port interrupts */
-#define IRQ_AMIGA_RBF 9
-#define IRQ_AMIGA_TBE 10
+/* vertical blanking interrupt */
+#define IRQ_AMIGA_VERTB (IRQ_USER+5)
-/* software interrupts */
-#define IRQ_AMIGA_SOFT 11
+/* Blitter done interrupt */
+#define IRQ_AMIGA_BLIT (IRQ_USER+6)
-/* interrupts from external hardware */
-#define IRQ_AMIGA_PORTS 12
-#define IRQ_AMIGA_EXTER 13
+/* Audio interrupts */
+#define IRQ_AMIGA_AUD0 (IRQ_USER+7)
+#define IRQ_AMIGA_AUD1 (IRQ_USER+8)
+#define IRQ_AMIGA_AUD2 (IRQ_USER+9)
+#define IRQ_AMIGA_AUD3 (IRQ_USER+10)
/* CIA interrupt sources */
-#define IRQ_AMIGA_CIAA 14
-#define IRQ_AMIGA_CIAA_TA 14
-#define IRQ_AMIGA_CIAA_TB 15
-#define IRQ_AMIGA_CIAA_ALRM 16
-#define IRQ_AMIGA_CIAA_SP 17
-#define IRQ_AMIGA_CIAA_FLG 18
-#define IRQ_AMIGA_CIAB 19
-#define IRQ_AMIGA_CIAB_TA 19
-#define IRQ_AMIGA_CIAB_TB 20
-#define IRQ_AMIGA_CIAB_ALRM 21
-#define IRQ_AMIGA_CIAB_SP 22
-#define IRQ_AMIGA_CIAB_FLG 23
-
-/* auto-vector interrupts */
-#define IRQ_AMIGA_AUTO 24
-#define IRQ_AMIGA_AUTO_0 24 /* This is just a dummy */
-#define IRQ_AMIGA_AUTO_1 25
-#define IRQ_AMIGA_AUTO_2 26
-#define IRQ_AMIGA_AUTO_3 27
-#define IRQ_AMIGA_AUTO_4 28
-#define IRQ_AMIGA_AUTO_5 29
-#define IRQ_AMIGA_AUTO_6 30
-#define IRQ_AMIGA_AUTO_7 31
-
-#define IRQ_FLOPPY IRQ_AMIGA_DSKBLK
+#define IRQ_AMIGA_CIAA (IRQ_USER+14)
+#define IRQ_AMIGA_CIAA_TA (IRQ_USER+14)
+#define IRQ_AMIGA_CIAA_TB (IRQ_USER+15)
+#define IRQ_AMIGA_CIAA_ALRM (IRQ_USER+16)
+#define IRQ_AMIGA_CIAA_SP (IRQ_USER+17)
+#define IRQ_AMIGA_CIAA_FLG (IRQ_USER+18)
+#define IRQ_AMIGA_CIAB (IRQ_USER+19)
+#define IRQ_AMIGA_CIAB_TA (IRQ_USER+19)
+#define IRQ_AMIGA_CIAB_TB (IRQ_USER+20)
+#define IRQ_AMIGA_CIAB_ALRM (IRQ_USER+21)
+#define IRQ_AMIGA_CIAB_SP (IRQ_USER+22)
+#define IRQ_AMIGA_CIAB_FLG (IRQ_USER+23)
-/* INTREQR masks */
-#define IRQ1_MASK 0x0007 /* INTREQR mask for IRQ 1 */
-#define IRQ2_MASK 0x0008 /* INTREQR mask for IRQ 2 */
-#define IRQ3_MASK 0x0070 /* INTREQR mask for IRQ 3 */
-#define IRQ4_MASK 0x0780 /* INTREQR mask for IRQ 4 */
-#define IRQ5_MASK 0x1800 /* INTREQR mask for IRQ 5 */
-#define IRQ6_MASK 0x2000 /* INTREQR mask for IRQ 6 */
-#define IRQ7_MASK 0x4000 /* INTREQR mask for IRQ 7 */
+/* INTREQR masks */
#define IF_SETCLR 0x8000 /* set/clr bit */
#define IF_INTEN 0x4000 /* master interrupt bit in INT* registers */
#define IF_EXTER 0x2000 /* external level 6 and CIA B interrupt */
@@ -106,9 +88,6 @@
#define IF_DSKBLK 0x0002 /* diskblock DMA finished */
#define IF_TBE 0x0001 /* serial transmit buffer empty interrupt */
-extern void amiga_do_irq(int irq, struct pt_regs *fp);
-extern void amiga_do_irq_list(int irq, struct pt_regs *fp);
-
/* CIA interrupt control register bits */
#define CIA_ICR_TA 0x01
@@ -125,6 +104,7 @@ extern void amiga_do_irq_list(int irq, struct pt_regs *fp);
extern struct ciabase ciaa_base, ciab_base;
+extern void cia_init_IRQ(struct ciabase *base);
extern unsigned char cia_set_irq(struct ciabase *base, unsigned char mask);
extern unsigned char cia_able_irq(struct ciabase *base, unsigned char mask);
diff --git a/include/asm-m68k/apollohw.h b/include/asm-m68k/apollohw.h
index 4304e1c33e1..a1373b9aa28 100644
--- a/include/asm-m68k/apollohw.h
+++ b/include/asm-m68k/apollohw.h
@@ -3,6 +3,8 @@
#ifndef _ASMm68k_APOLLOHW_H_
#define _ASMm68k_APOLLOHW_H_
+#include <linux/types.h>
+
/*
apollo models
*/
@@ -101,4 +103,6 @@ extern u_long timer_physaddr;
#define isaIO2mem(x) (((((x) & 0x3f8) << 7) | (((x) & 0xfc00) >> 6) | ((x) & 0x7)) + 0x40000 + IO_BASE)
+#define IRQ_APOLLO IRQ_USER
+
#endif
diff --git a/include/asm-m68k/atari_stdma.h b/include/asm-m68k/atari_stdma.h
index 64f92880ce4..b4eadf85273 100644
--- a/include/asm-m68k/atari_stdma.h
+++ b/include/asm-m68k/atari_stdma.h
@@ -3,7 +3,7 @@
#define _atari_stdma_h
-#include <asm/irq.h>
+#include <linux/interrupt.h>
/***************************** Prototypes *****************************/
diff --git a/include/asm-m68k/atariints.h b/include/asm-m68k/atariints.h
index 42952c89059..0ed454fc24b 100644
--- a/include/asm-m68k/atariints.h
+++ b/include/asm-m68k/atariints.h
@@ -45,17 +45,6 @@
#define IRQ_TYPE_FAST 1
#define IRQ_TYPE_PRIO 2
-#define IRQ_SPURIOUS (0)
-
-/* auto-vector interrupts */
-#define IRQ_AUTO_1 (1)
-#define IRQ_AUTO_2 (2)
-#define IRQ_AUTO_3 (3)
-#define IRQ_AUTO_4 (4)
-#define IRQ_AUTO_5 (5)
-#define IRQ_AUTO_6 (6)
-#define IRQ_AUTO_7 (7)
-
/* ST-MFP interrupts */
#define IRQ_MFP_BUSY (8)
#define IRQ_MFP_DCD (9)
diff --git a/include/asm-m68k/bvme6000hw.h b/include/asm-m68k/bvme6000hw.h
index 28a859b0395..f40d2f8510e 100644
--- a/include/asm-m68k/bvme6000hw.h
+++ b/include/asm-m68k/bvme6000hw.h
@@ -109,23 +109,23 @@ typedef struct {
#define BVME_IRQ_TYPE_PRIO 0
-#define BVME_IRQ_PRN 0x54
-#define BVME_IRQ_I596 0x1a
-#define BVME_IRQ_SCSI 0x1b
-#define BVME_IRQ_TIMER 0x59
-#define BVME_IRQ_RTC 0x1e
-#define BVME_IRQ_ABORT 0x1f
+#define BVME_IRQ_PRN (IRQ_USER+20)
+#define BVME_IRQ_TIMER (IRQ_USER+25)
+#define BVME_IRQ_I596 IRQ_AUTO_2
+#define BVME_IRQ_SCSI IRQ_AUTO_3
+#define BVME_IRQ_RTC IRQ_AUTO_6
+#define BVME_IRQ_ABORT IRQ_AUTO_7
/* SCC interrupts */
-#define BVME_IRQ_SCC_BASE 0x40
-#define BVME_IRQ_SCCB_TX 0x40
-#define BVME_IRQ_SCCB_STAT 0x42
-#define BVME_IRQ_SCCB_RX 0x44
-#define BVME_IRQ_SCCB_SPCOND 0x46
-#define BVME_IRQ_SCCA_TX 0x48
-#define BVME_IRQ_SCCA_STAT 0x4a
-#define BVME_IRQ_SCCA_RX 0x4c
-#define BVME_IRQ_SCCA_SPCOND 0x4e
+#define BVME_IRQ_SCC_BASE IRQ_USER
+#define BVME_IRQ_SCCB_TX IRQ_USER
+#define BVME_IRQ_SCCB_STAT (IRQ_USER+2)
+#define BVME_IRQ_SCCB_RX (IRQ_USER+4)
+#define BVME_IRQ_SCCB_SPCOND (IRQ_USER+6)
+#define BVME_IRQ_SCCA_TX (IRQ_USER+8)
+#define BVME_IRQ_SCCA_STAT (IRQ_USER+10)
+#define BVME_IRQ_SCCA_RX (IRQ_USER+12)
+#define BVME_IRQ_SCCA_SPCOND (IRQ_USER+14)
/* Address control registers */
diff --git a/include/asm-m68k/cacheflush.h b/include/asm-m68k/cacheflush.h
index 8aba971b136..24d3ff44913 100644
--- a/include/asm-m68k/cacheflush.h
+++ b/include/asm-m68k/cacheflush.h
@@ -3,26 +3,30 @@
#include <linux/mm.h>
+/* cache code */
+#define FLUSH_I_AND_D (0x00000808)
+#define FLUSH_I (0x00000008)
+
/*
* Cache handling functions
*/
-#define flush_icache() \
-({ \
- if (CPU_IS_040_OR_060) \
- __asm__ __volatile__("nop\n\t" \
- ".chip 68040\n\t" \
- "cinva %%ic\n\t" \
- ".chip 68k" : ); \
- else { \
- unsigned long _tmp; \
- __asm__ __volatile__("movec %%cacr,%0\n\t" \
- "orw %1,%0\n\t" \
- "movec %0,%%cacr" \
- : "=&d" (_tmp) \
- : "id" (FLUSH_I)); \
- } \
-})
+static inline void flush_icache(void)
+{
+ if (CPU_IS_040_OR_060)
+ asm volatile ( "nop\n"
+ " .chip 68040\n"
+ " cpusha %bc\n"
+ " .chip 68k");
+ else {
+ unsigned long tmp;
+ asm volatile ( "movec %%cacr,%0\n"
+ " or.w %1,%0\n"
+ " movec %0,%%cacr"
+ : "=&d" (tmp)
+ : "id" (FLUSH_I));
+ }
+}
/*
* invalidate the cache for the specified memory range.
@@ -43,10 +47,6 @@ extern void cache_push(unsigned long paddr, int len);
*/
extern void cache_push_v(unsigned long vaddr, int len);
-/* cache code */
-#define FLUSH_I_AND_D (0x00000808)
-#define FLUSH_I (0x00000008)
-
/* This is needed whenever the virtual mapping of the current
process changes. */
#define __flush_cache_all() \
diff --git a/include/asm-m68k/dma-mapping.h b/include/asm-m68k/dma-mapping.h
index dffd59cf136..cebbb03370e 100644
--- a/include/asm-m68k/dma-mapping.h
+++ b/include/asm-m68k/dma-mapping.h
@@ -1,11 +1,91 @@
#ifndef _M68K_DMA_MAPPING_H
#define _M68K_DMA_MAPPING_H
+#include <asm/cache.h>
-#ifdef CONFIG_PCI
-#include <asm-generic/dma-mapping.h>
-#else
-#include <asm-generic/dma-mapping-broken.h>
-#endif
+struct scatterlist;
+
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+ return 1;
+}
+
+static inline int dma_set_mask(struct device *dev, u64 mask)
+{
+ return 0;
+}
+
+static inline int dma_get_cache_alignment(void)
+{
+ return 1 << L1_CACHE_SHIFT;
+}
+
+static inline int dma_is_consistent(dma_addr_t dma_addr)
+{
+ return 0;
+}
+
+extern void *dma_alloc_coherent(struct device *, size_t,
+ dma_addr_t *, int);
+extern void dma_free_coherent(struct device *, size_t,
+ void *, dma_addr_t);
+
+static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,
+ dma_addr_t *handle, int flag)
+{
+ return dma_alloc_coherent(dev, size, handle, flag);
+}
+static inline void dma_free_noncoherent(struct device *dev, size_t size,
+ void *addr, dma_addr_t handle)
+{
+ dma_free_coherent(dev, size, addr, handle);
+}
+static inline void dma_cache_sync(void *vaddr, size_t size,
+ enum dma_data_direction dir)
+{
+ /* we use coherent allocation, so not much to do here. */
+}
+
+extern dma_addr_t dma_map_single(struct device *, void *, size_t,
+ enum dma_data_direction);
+static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
+ size_t size, enum dma_data_direction dir)
+{
+}
+
+extern dma_addr_t dma_map_page(struct device *, struct page *,
+ unsigned long, size_t size,
+ enum dma_data_direction);
+static inline void dma_unmap_page(struct device *dev, dma_addr_t address,
+ size_t size, enum dma_data_direction dir)
+{
+}
+
+extern int dma_map_sg(struct device *, struct scatterlist *, int,
+ enum dma_data_direction);
+static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
+ int nhwentries, enum dma_data_direction dir)
+{
+}
+
+extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t,
+ enum dma_data_direction);
+extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int,
+ enum dma_data_direction);
+
+static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle,
+ size_t size, enum dma_data_direction dir)
+{
+}
+
+static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction dir)
+{
+}
+
+static inline int dma_mapping_error(dma_addr_t handle)
+{
+ return 0;
+}
#endif /* _M68K_DMA_MAPPING_H */
diff --git a/include/asm-m68k/floppy.h b/include/asm-m68k/floppy.h
index 63a05ed95c1..57f4fdda65a 100644
--- a/include/asm-m68k/floppy.h
+++ b/include/asm-m68k/floppy.h
@@ -88,8 +88,8 @@ static __inline__ void fd_outb(unsigned char value, int port)
static int fd_request_irq(void)
{
if(MACH_IS_Q40)
- return request_irq(FLOPPY_IRQ, floppy_hardint,SA_INTERRUPT,
- "floppy", floppy_hardint);
+ return request_irq(FLOPPY_IRQ, floppy_hardint,
+ IRQF_DISABLED, "floppy", floppy_hardint);
else if(MACH_IS_SUN3X)
return sun3xflop_request_irq();
return -ENXIO;
diff --git a/include/asm-m68k/irq.h b/include/asm-m68k/irq.h
index b4f48b2a6a5..3257f988100 100644
--- a/include/asm-m68k/irq.h
+++ b/include/asm-m68k/irq.h
@@ -1,13 +1,9 @@
#ifndef _M68K_IRQ_H_
#define _M68K_IRQ_H_
-#include <linux/interrupt.h>
-
-/*
- * # of m68k interrupts
- */
-
-#define SYS_IRQS 8
+#include <linux/linkage.h>
+#include <linux/hardirq.h>
+#include <linux/spinlock_types.h>
/*
* This should be the same as the max(NUM_X_SOURCES) for all the
@@ -15,10 +11,20 @@
* Currently the Atari has 72 and the Amiga 24, but if both are
* supported in the kernel it is better to make room for 72.
*/
-#if defined(CONFIG_ATARI) || defined(CONFIG_MAC)
-#define NR_IRQS (72+SYS_IRQS)
+#if defined(CONFIG_VME) || defined(CONFIG_SUN3) || defined(CONFIG_SUN3X)
+#define NR_IRQS 200
+#elif defined(CONFIG_ATARI) || defined(CONFIG_MAC)
+#define NR_IRQS 72
+#elif defined(CONFIG_Q40)
+#define NR_IRQS 43
+#elif defined(CONFIG_AMIGA)
+#define NR_IRQS 32
+#elif defined(CONFIG_APOLLO)
+#define NR_IRQS 24
+#elif defined(CONFIG_HP300)
+#define NR_IRQS 8
#else
-#define NR_IRQS (24+SYS_IRQS)
+#error unknown nr of irqs
#endif
/*
@@ -40,57 +46,29 @@
* that routine requires service.
*/
-#define IRQ1 (1) /* level 1 interrupt */
-#define IRQ2 (2) /* level 2 interrupt */
-#define IRQ3 (3) /* level 3 interrupt */
-#define IRQ4 (4) /* level 4 interrupt */
-#define IRQ5 (5) /* level 5 interrupt */
-#define IRQ6 (6) /* level 6 interrupt */
-#define IRQ7 (7) /* level 7 interrupt (non-maskable) */
+#define IRQ_SPURIOUS 0
-/*
- * "Generic" interrupt sources
- */
-
-#define IRQ_SCHED_TIMER (8) /* interrupt source for scheduling timer */
+#define IRQ_AUTO_1 1 /* level 1 interrupt */
+#define IRQ_AUTO_2 2 /* level 2 interrupt */
+#define IRQ_AUTO_3 3 /* level 3 interrupt */
+#define IRQ_AUTO_4 4 /* level 4 interrupt */
+#define IRQ_AUTO_5 5 /* level 5 interrupt */
+#define IRQ_AUTO_6 6 /* level 6 interrupt */
+#define IRQ_AUTO_7 7 /* level 7 interrupt (non-maskable) */
-static __inline__ int irq_canonicalize(int irq)
-{
- return irq;
-}
-
-/*
- * Machine specific interrupt sources.
- *
- * Adding an interrupt service routine for a source with this bit
- * set indicates a special machine specific interrupt source.
- * The machine specific files define these sources.
- *
- * The IRQ_MACHSPEC bit is now gone - the only thing it did was to
- * introduce unnecessary overhead.
- *
- * All interrupt handling is actually machine specific so it is better
- * to use function pointers, as used by the Sparc port, and select the
- * interrupt handling functions when initializing the kernel. This way
- * we save some unnecessary overhead at run-time.
- * 01/11/97 - Jes
- */
+#define IRQ_USER 8
-extern void (*enable_irq)(unsigned int);
-extern void (*disable_irq)(unsigned int);
+extern unsigned int irq_canonicalize(unsigned int irq);
+extern void enable_irq(unsigned int);
+extern void disable_irq(unsigned int);
#define disable_irq_nosync disable_irq
struct pt_regs;
-extern int cpu_request_irq(unsigned int,
- irqreturn_t (*)(int, void *, struct pt_regs *),
- unsigned long, const char *, void *);
-extern void cpu_free_irq(unsigned int, void *);
-
/*
* various flags for request_irq() - the Amiga now uses the standard
- * mechanism like all other architectures - SA_INTERRUPT and SA_SHIRQ
- * are your friends.
+ * mechanism like all other architectures - IRQF_DISABLED and
+ * IRQF_SHARED are your friends.
*/
#ifndef MACH_AMIGA_ONLY
#define IRQ_FLG_LOCK (0x0001) /* handler is not replaceable */
@@ -105,33 +83,45 @@ extern void cpu_free_irq(unsigned int, void *);
* interrupt source (if it supports chaining).
*/
typedef struct irq_node {
- irqreturn_t (*handler)(int, void *, struct pt_regs *);
- unsigned long flags;
+ int (*handler)(int, void *, struct pt_regs *);
void *dev_id;
- const char *devname;
struct irq_node *next;
+ unsigned long flags;
+ const char *devname;
} irq_node_t;
/*
* This structure has only 4 elements for speed reasons
*/
typedef struct irq_handler {
- irqreturn_t (*handler)(int, void *, struct pt_regs *);
+ int (*handler)(int, void *, struct pt_regs *);
unsigned long flags;
void *dev_id;
const char *devname;
} irq_handler_t;
-/* count of spurious interrupts */
-extern volatile unsigned int num_spurious;
+struct irq_controller {
+ const char *name;
+ spinlock_t lock;
+ int (*startup)(unsigned int irq);
+ void (*shutdown)(unsigned int irq);
+ void (*enable)(unsigned int irq);
+ void (*disable)(unsigned int irq);
+};
+
+extern int m68k_irq_startup(unsigned int);
+extern void m68k_irq_shutdown(unsigned int);
/*
* This function returns a new irq_node_t
*/
extern irq_node_t *new_irq_node(void);
-struct irqaction;
-struct pt_regs;
-int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
+extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *));
+extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
+ void (*handler)(unsigned int, struct pt_regs *));
+extern void m68k_setup_irq_controller(struct irq_controller *, unsigned int, unsigned int);
+
+asmlinkage void m68k_handle_int(unsigned int, struct pt_regs *);
#endif /* _M68K_IRQ_H_ */
diff --git a/include/asm-m68k/mac_oss.h b/include/asm-m68k/mac_oss.h
index 7644a639cd6..7221f725193 100644
--- a/include/asm-m68k/mac_oss.h
+++ b/include/asm-m68k/mac_oss.h
@@ -69,12 +69,12 @@
#define OSS_IRQLEV_DISABLED 0
#define OSS_IRQLEV_IOPISM 1 /* ADB? */
-#define OSS_IRQLEV_SCSI 2
-#define OSS_IRQLEV_NUBUS 3 /* keep this on its own level */
-#define OSS_IRQLEV_IOPSCC 4 /* matches VIA alternate mapping */
-#define OSS_IRQLEV_SOUND 5 /* matches VIA alternate mapping */
+#define OSS_IRQLEV_SCSI IRQ_AUTO_2
+#define OSS_IRQLEV_NUBUS IRQ_AUTO_3 /* keep this on its own level */
+#define OSS_IRQLEV_IOPSCC IRQ_AUTO_4 /* matches VIA alternate mapping */
+#define OSS_IRQLEV_SOUND IRQ_AUTO_5 /* matches VIA alternate mapping */
#define OSS_IRQLEV_60HZ 6 /* matches VIA alternate mapping */
-#define OSS_IRQLEV_VIA1 6 /* matches VIA alternate mapping */
+#define OSS_IRQLEV_VIA1 IRQ_AUTO_6 /* matches VIA alternate mapping */
#define OSS_IRQLEV_PARITY 7 /* matches VIA alternate mapping */
#ifndef __ASSEMBLY__
diff --git a/include/asm-m68k/machdep.h b/include/asm-m68k/machdep.h
index 7d3fee34236..df898f27e43 100644
--- a/include/asm-m68k/machdep.h
+++ b/include/asm-m68k/machdep.h
@@ -13,14 +13,8 @@ struct buffer_head;
extern void (*mach_sched_init) (irqreturn_t (*handler)(int, void *, struct pt_regs *));
/* machine dependent irq functions */
extern void (*mach_init_IRQ) (void);
-extern irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *);
-extern int (*mach_request_irq) (unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *),
- unsigned long flags, const char *devname, void *dev_id);
-extern void (*mach_free_irq) (unsigned int irq, void *dev_id);
extern void (*mach_get_model) (char *model);
extern int (*mach_get_hardware_list) (char *buffer);
-extern int (*mach_get_irq_list) (struct seq_file *p, void *v);
-extern irqreturn_t (*mach_process_int) (int irq, struct pt_regs *fp);
/* machine dependent timer functions */
extern unsigned long (*mach_gettimeoffset)(void);
extern int (*mach_hwclk)(int, struct rtc_time*);
diff --git a/include/asm-m68k/macintosh.h b/include/asm-m68k/macintosh.h
index 6fc3d19512d..27d11da2b47 100644
--- a/include/asm-m68k/macintosh.h
+++ b/include/asm-m68k/macintosh.h
@@ -11,17 +11,7 @@
extern void mac_reset(void);
extern void mac_poweroff(void);
extern void mac_init_IRQ(void);
-extern int mac_request_irq (unsigned int, irqreturn_t (*)(int, void *,
- struct pt_regs *),
- unsigned long, const char *, void *);
-extern void mac_free_irq(unsigned int, void *);
-extern void mac_enable_irq(unsigned int);
-extern void mac_disable_irq(unsigned int);
extern int mac_irq_pending(unsigned int);
-extern int show_mac_interrupts(struct seq_file *, void *);
-#if 0
-extern void mac_default_handler(int irq);
-#endif
extern void mac_identify(void);
extern void mac_report_hardware(void);
extern void mac_debugging_penguin(int);
diff --git a/include/asm-m68k/macints.h b/include/asm-m68k/macints.h
index fd8c3a9fea4..679c48ab440 100644
--- a/include/asm-m68k/macints.h
+++ b/include/asm-m68k/macints.h
@@ -59,17 +59,6 @@
#define IRQ_SRC(irq) (irq >> 3)
#define IRQ_IDX(irq) (irq & 7)
-#define IRQ_SPURIOUS (0)
-
-/* auto-vector interrupts */
-#define IRQ_AUTO_1 (1)
-#define IRQ_AUTO_2 (2)
-#define IRQ_AUTO_3 (3)
-#define IRQ_AUTO_4 (4)
-#define IRQ_AUTO_5 (5)
-#define IRQ_AUTO_6 (6)
-#define IRQ_AUTO_7 (7)
-
/* VIA1 interrupts */
#define IRQ_VIA1_0 (8) /* one second int. */
#define IRQ_VIA1_1 (9) /* VBlank int. */
@@ -163,7 +152,4 @@
#define INT_CLK 24576 /* CLK while int_clk =2.456MHz and divide = 100 */
#define INT_TICKS 246 /* to make sched_time = 99.902... HZ */
-extern irq_node_t *mac_irq_list[NUM_MAC_SOURCES];
-extern void mac_do_irq_list(int irq, struct pt_regs *);
-
#endif /* asm/macints.h */
diff --git a/include/asm-m68k/mvme147hw.h b/include/asm-m68k/mvme147hw.h
index f245139f367..b8104310847 100644
--- a/include/asm-m68k/mvme147hw.h
+++ b/include/asm-m68k/mvme147hw.h
@@ -1,6 +1,8 @@
#ifndef _MVME147HW_H_
#define _MVME147HW_H_
+#include <asm/irq.h>
+
typedef struct {
unsigned char
ctrl,
@@ -72,39 +74,39 @@ struct pcc_regs {
#define PCC_LEVEL_SCSI_PORT 0x04
#define PCC_LEVEL_SCSI_DMA 0x04
-#define PCC_IRQ_AC_FAIL 0x40
-#define PCC_IRQ_BERR 0x41
-#define PCC_IRQ_ABORT 0x42
-/* #define PCC_IRQ_SERIAL 0x43 */
-#define PCC_IRQ_PRINTER 0x47
-#define PCC_IRQ_TIMER1 0x48
-#define PCC_IRQ_TIMER2 0x49
-#define PCC_IRQ_SOFTWARE1 0x4a
-#define PCC_IRQ_SOFTWARE2 0x4b
+#define PCC_IRQ_AC_FAIL (IRQ_USER+0)
+#define PCC_IRQ_BERR (IRQ_USER+1)
+#define PCC_IRQ_ABORT (IRQ_USER+2)
+/* #define PCC_IRQ_SERIAL (IRQ_USER+3) */
+#define PCC_IRQ_PRINTER (IRQ_USER+7)
+#define PCC_IRQ_TIMER1 (IRQ_USER+8)
+#define PCC_IRQ_TIMER2 (IRQ_USER+9)
+#define PCC_IRQ_SOFTWARE1 (IRQ_USER+10)
+#define PCC_IRQ_SOFTWARE2 (IRQ_USER+11)
#define M147_SCC_A_ADDR 0xfffe3002
#define M147_SCC_B_ADDR 0xfffe3000
#define M147_SCC_PCLK 5000000
-#define MVME147_IRQ_SCSI_PORT 0x45
-#define MVME147_IRQ_SCSI_DMA 0x46
+#define MVME147_IRQ_SCSI_PORT (IRQ_USER+0x45)
+#define MVME147_IRQ_SCSI_DMA (IRQ_USER+0x46)
/* SCC interrupts, for MVME147 */
#define MVME147_IRQ_TYPE_PRIO 0
-#define MVME147_IRQ_SCC_BASE 0x60
-#define MVME147_IRQ_SCCB_TX 0x60
-#define MVME147_IRQ_SCCB_STAT 0x62
-#define MVME147_IRQ_SCCB_RX 0x64
-#define MVME147_IRQ_SCCB_SPCOND 0x66
-#define MVME147_IRQ_SCCA_TX 0x68
-#define MVME147_IRQ_SCCA_STAT 0x6a
-#define MVME147_IRQ_SCCA_RX 0x6c
-#define MVME147_IRQ_SCCA_SPCOND 0x6e
+#define MVME147_IRQ_SCC_BASE (IRQ_USER+32)
+#define MVME147_IRQ_SCCB_TX (IRQ_USER+32)
+#define MVME147_IRQ_SCCB_STAT (IRQ_USER+34)
+#define MVME147_IRQ_SCCB_RX (IRQ_USER+36)
+#define MVME147_IRQ_SCCB_SPCOND (IRQ_USER+38)
+#define MVME147_IRQ_SCCA_TX (IRQ_USER+40)
+#define MVME147_IRQ_SCCA_STAT (IRQ_USER+42)
+#define MVME147_IRQ_SCCA_RX (IRQ_USER+44)
+#define MVME147_IRQ_SCCA_SPCOND (IRQ_USER+46)
#define MVME147_LANCE_BASE 0xfffe1800
-#define MVME147_LANCE_IRQ 0x44
+#define MVME147_LANCE_IRQ (IRQ_USER+4)
#define ETHERNET_ADDRESS 0xfffe0778
diff --git a/include/asm-m68k/mvme16xhw.h b/include/asm-m68k/mvme16xhw.h
index 5d07231d242..6117f56653d 100644
--- a/include/asm-m68k/mvme16xhw.h
+++ b/include/asm-m68k/mvme16xhw.h
@@ -66,28 +66,28 @@ typedef struct {
#define MVME162_IRQ_TYPE_PRIO 0
-#define MVME167_IRQ_PRN 0x54
-#define MVME16x_IRQ_I596 0x57
-#define MVME16x_IRQ_SCSI 0x55
-#define MVME16x_IRQ_FLY 0x7f
-#define MVME167_IRQ_SER_ERR 0x5c
-#define MVME167_IRQ_SER_MODEM 0x5d
-#define MVME167_IRQ_SER_TX 0x5e
-#define MVME167_IRQ_SER_RX 0x5f
-#define MVME16x_IRQ_TIMER 0x59
-#define MVME167_IRQ_ABORT 0x6e
-#define MVME162_IRQ_ABORT 0x5e
+#define MVME167_IRQ_PRN (IRQ_USER+20)
+#define MVME16x_IRQ_I596 (IRQ_USER+23)
+#define MVME16x_IRQ_SCSI (IRQ_USER+21)
+#define MVME16x_IRQ_FLY (IRQ_USER+63)
+#define MVME167_IRQ_SER_ERR (IRQ_USER+28)
+#define MVME167_IRQ_SER_MODEM (IRQ_USER+29)
+#define MVME167_IRQ_SER_TX (IRQ_USER+30)
+#define MVME167_IRQ_SER_RX (IRQ_USER+31)
+#define MVME16x_IRQ_TIMER (IRQ_USER+25)
+#define MVME167_IRQ_ABORT (IRQ_USER+46)
+#define MVME162_IRQ_ABORT (IRQ_USER+30)
/* SCC interrupts, for MVME162 */
-#define MVME162_IRQ_SCC_BASE 0x40
-#define MVME162_IRQ_SCCB_TX 0x40
-#define MVME162_IRQ_SCCB_STAT 0x42
-#define MVME162_IRQ_SCCB_RX 0x44
-#define MVME162_IRQ_SCCB_SPCOND 0x46
-#define MVME162_IRQ_SCCA_TX 0x48
-#define MVME162_IRQ_SCCA_STAT 0x4a
-#define MVME162_IRQ_SCCA_RX 0x4c
-#define MVME162_IRQ_SCCA_SPCOND 0x4e
+#define MVME162_IRQ_SCC_BASE (IRQ_USER+0)
+#define MVME162_IRQ_SCCB_TX (IRQ_USER+0)
+#define MVME162_IRQ_SCCB_STAT (IRQ_USER+2)
+#define MVME162_IRQ_SCCB_RX (IRQ_USER+4)
+#define MVME162_IRQ_SCCB_SPCOND (IRQ_USER+6)
+#define MVME162_IRQ_SCCA_TX (IRQ_USER+8)
+#define MVME162_IRQ_SCCA_STAT (IRQ_USER+10)
+#define MVME162_IRQ_SCCA_RX (IRQ_USER+12)
+#define MVME162_IRQ_SCCA_SPCOND (IRQ_USER+14)
/* MVME162 version register */
diff --git a/include/asm-m68k/processor.h b/include/asm-m68k/processor.h
index 352799e71f0..8455f778b60 100644
--- a/include/asm-m68k/processor.h
+++ b/include/asm-m68k/processor.h
@@ -71,10 +71,10 @@ struct thread_struct {
};
#define INIT_THREAD { \
- ksp: sizeof(init_stack) + (unsigned long) init_stack, \
- sr: PS_S, \
- fs: __KERNEL_DS, \
- info: INIT_THREAD_INFO(init_task) \
+ .ksp = sizeof(init_stack) + (unsigned long) init_stack, \
+ .sr = PS_S, \
+ .fs = __KERNEL_DS, \
+ .info = INIT_THREAD_INFO(init_task), \
}
/*
diff --git a/include/asm-m68k/scatterlist.h b/include/asm-m68k/scatterlist.h
index d7c9b5c5e6c..8e612266da5 100644
--- a/include/asm-m68k/scatterlist.h
+++ b/include/asm-m68k/scatterlist.h
@@ -2,18 +2,17 @@
#define _M68K_SCATTERLIST_H
struct scatterlist {
- /* These two are only valid if ADDRESS member of this
- * struct is NULL.
- */
struct page *page;
unsigned int offset;
-
unsigned int length;
- __u32 dvma_address; /* A place to hang host-specific addresses at. */
+ __u32 dma_address; /* A place to hang host-specific addresses at. */
};
/* This is bogus and should go away. */
#define ISA_DMA_THRESHOLD (0x00ffffff)
+#define sg_dma_address(sg) ((sg)->dma_address)
+#define sg_dma_len(sg) ((sg)->length)
+
#endif /* !(_M68K_SCATTERLIST_H) */
diff --git a/include/asm-m68k/signal.h b/include/asm-m68k/signal.h
index b7b7ea20caa..de1ba6ead3b 100644
--- a/include/asm-m68k/signal.h
+++ b/include/asm-m68k/signal.h
@@ -74,7 +74,6 @@ typedef unsigned long sigset_t;
* SA_FLAGS values:
*
* SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
* SA_RESETHAND clears the handler when the signal is delivered.
@@ -94,7 +93,6 @@ typedef unsigned long sigset_t;
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
-#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
/*
* sigaltstack controls
@@ -156,13 +154,17 @@ typedef struct sigaltstack {
static inline void sigaddset(sigset_t *set, int _sig)
{
- __asm__("bfset %0{%1,#1}" : "=m" (*set) : "id" ((_sig - 1) ^ 31)
+ asm ("bfset %0{%1,#1}"
+ : "+od" (*set)
+ : "id" ((_sig - 1) ^ 31)
: "cc");
}
static inline void sigdelset(sigset_t *set, int _sig)
{
- __asm__("bfclr %0{%1,#1}" : "=m"(*set) : "id"((_sig - 1) ^ 31)
+ asm ("bfclr %0{%1,#1}"
+ : "+od" (*set)
+ : "id" ((_sig - 1) ^ 31)
: "cc");
}
@@ -175,8 +177,10 @@ static inline int __const_sigismember(sigset_t *set, int _sig)
static inline int __gen_sigismember(sigset_t *set, int _sig)
{
int ret;
- __asm__("bfextu %1{%2,#1},%0"
- : "=d"(ret) : "m"(*set), "id"((_sig-1) ^ 31));
+ asm ("bfextu %1{%2,#1},%0"
+ : "=d" (ret)
+ : "od" (*set), "id" ((_sig-1) ^ 31)
+ : "cc");
return ret;
}
@@ -187,7 +191,10 @@ static inline int __gen_sigismember(sigset_t *set, int _sig)
static inline int sigfindinword(unsigned long word)
{
- __asm__("bfffo %1{#0,#0},%0" : "=d"(word) : "d"(word & -word) : "cc");
+ asm ("bfffo %1{#0,#0},%0"
+ : "=d" (word)
+ : "d" (word & -word)
+ : "cc");
return word ^ 31;
}
diff --git a/include/asm-m68k/socket.h b/include/asm-m68k/socket.h
index f578ca4b776..a5966ec005a 100644
--- a/include/asm-m68k/socket.h
+++ b/include/asm-m68k/socket.h
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff --git a/include/asm-m68k/sun3ints.h b/include/asm-m68k/sun3ints.h
index bd038fccb64..de91fa071b9 100644
--- a/include/asm-m68k/sun3ints.h
+++ b/include/asm-m68k/sun3ints.h
@@ -12,37 +12,25 @@
#define SUN3INTS_H
#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/kernel_stat.h>
#include <linux/interrupt.h>
-#include <linux/seq_file.h>
-#include <asm/segment.h>
#include <asm/intersil.h>
#include <asm/oplib.h>
+#include <asm/traps.h>
#define SUN3_INT_VECS 192
void sun3_enable_irq(unsigned int irq);
void sun3_disable_irq(unsigned int irq);
-int sun3_request_irq(unsigned int irq,
- irqreturn_t (*handler)(int, void *, struct pt_regs *),
- unsigned long flags, const char *devname, void *dev_id
- );
extern void sun3_init_IRQ (void);
-extern irqreturn_t (*sun3_default_handler[]) (int, void *, struct pt_regs *);
-extern void sun3_free_irq (unsigned int irq, void *dev_id);
extern void sun3_enable_interrupts (void);
extern void sun3_disable_interrupts (void);
-extern int show_sun3_interrupts(struct seq_file *, void *);
-extern irqreturn_t sun3_process_int(int, struct pt_regs *);
extern volatile unsigned char* sun3_intreg;
/* master list of VME vectors -- don't fuck with this */
-#define SUN3_VEC_FLOPPY 0x40
-#define SUN3_VEC_VMESCSI0 0x40
-#define SUN3_VEC_VMESCSI1 0x41
-#define SUN3_VEC_CG 0xA8
+#define SUN3_VEC_FLOPPY (IRQ_USER+0)
+#define SUN3_VEC_VMESCSI0 (IRQ_USER+0)
+#define SUN3_VEC_VMESCSI1 (IRQ_USER+1)
+#define SUN3_VEC_CG (IRQ_USER+104)
#endif /* SUN3INTS_H */
diff --git a/include/asm-m68k/sun3xflop.h b/include/asm-m68k/sun3xflop.h
index 98a9f79dab2..ca8cc411384 100644
--- a/include/asm-m68k/sun3xflop.h
+++ b/include/asm-m68k/sun3xflop.h
@@ -208,7 +208,8 @@ static int sun3xflop_request_irq(void)
if(!once) {
once = 1;
- error = request_irq(FLOPPY_IRQ, sun3xflop_hardint, SA_INTERRUPT, "floppy", NULL);
+ error = request_irq(FLOPPY_IRQ, sun3xflop_hardint,
+ IRQF_DISABLED, "floppy", NULL);
return ((error == 0) ? 0 : -1);
} else return 0;
}
diff --git a/include/asm-m68k/traps.h b/include/asm-m68k/traps.h
index 47505619125..8caef25624c 100644
--- a/include/asm-m68k/traps.h
+++ b/include/asm-m68k/traps.h
@@ -13,8 +13,15 @@
#ifndef __ASSEMBLY__
+#include <linux/linkage.h>
+#include <asm/ptrace.h>
+
typedef void (*e_vector)(void);
+asmlinkage void auto_inthandler(void);
+asmlinkage void user_inthandler(void);
+asmlinkage void bad_inthandler(void);
+
extern e_vector vectors[];
#endif
diff --git a/include/asm-m68k/uaccess.h b/include/asm-m68k/uaccess.h
index 2ffd87b0a76..88b1f47400e 100644
--- a/include/asm-m68k/uaccess.h
+++ b/include/asm-m68k/uaccess.h
@@ -4,8 +4,9 @@
/*
* User space memory access functions
*/
+#include <linux/compiler.h>
#include <linux/errno.h>
-#include <linux/sched.h>
+#include <linux/types.h>
#include <asm/segment.h>
#define VERIFY_READ 0
@@ -32,858 +33,335 @@ struct exception_table_entry
unsigned long insn, fixup;
};
+extern int __put_user_bad(void);
+extern int __get_user_bad(void);
+
+#define __put_user_asm(res, x, ptr, bwl, reg, err) \
+asm volatile ("\n" \
+ "1: moves."#bwl" %2,%1\n" \
+ "2:\n" \
+ " .section .fixup,\"ax\"\n" \
+ " .even\n" \
+ "10: moveq.l %3,%0\n" \
+ " jra 2b\n" \
+ " .previous\n" \
+ "\n" \
+ " .section __ex_table,\"a\"\n" \
+ " .align 4\n" \
+ " .long 1b,10b\n" \
+ " .long 2b,10b\n" \
+ " .previous" \
+ : "+d" (res), "=m" (*(ptr)) \
+ : #reg (x), "i" (err))
/*
* These are the main single-value transfer routines. They automatically
* use the right size if we just have the right pointer type.
*/
-#define put_user(x, ptr) \
-({ \
- int __pu_err; \
- typeof(*(ptr)) __pu_val = (x); \
- __chk_user_ptr(ptr); \
- switch (sizeof (*(ptr))) { \
- case 1: \
- __put_user_asm(__pu_err, __pu_val, ptr, b); \
- break; \
- case 2: \
- __put_user_asm(__pu_err, __pu_val, ptr, w); \
- break; \
- case 4: \
- __put_user_asm(__pu_err, __pu_val, ptr, l); \
- break; \
- case 8: \
- __pu_err = __constant_copy_to_user(ptr, &__pu_val, 8); \
- break; \
- default: \
- __pu_err = __put_user_bad(); \
- break; \
- } \
- __pu_err; \
+#define __put_user(x, ptr) \
+({ \
+ typeof(*(ptr)) __pu_val = (x); \
+ int __pu_err = 0; \
+ __chk_user_ptr(ptr); \
+ switch (sizeof (*(ptr))) { \
+ case 1: \
+ __put_user_asm(__pu_err, __pu_val, ptr, b, d, -EFAULT); \
+ break; \
+ case 2: \
+ __put_user_asm(__pu_err, __pu_val, ptr, w, d, -EFAULT); \
+ break; \
+ case 4: \
+ __put_user_asm(__pu_err, __pu_val, ptr, l, r, -EFAULT); \
+ break; \
+ case 8: \
+ { \
+ const void *__pu_ptr = (ptr); \
+ asm volatile ("\n" \
+ "1: moves.l %2,(%1)+\n" \
+ "2: moves.l %R2,(%1)\n" \
+ "3:\n" \
+ " .section .fixup,\"ax\"\n" \
+ " .even\n" \
+ "10: movel %3,%0\n" \
+ " jra 3b\n" \
+ " .previous\n" \
+ "\n" \
+ " .section __ex_table,\"a\"\n" \
+ " .align 4\n" \
+ " .long 1b,10b\n" \
+ " .long 2b,10b\n" \
+ " .long 3b,10b\n" \
+ " .previous" \
+ : "+d" (__pu_err), "+a" (__pu_ptr) \
+ : "r" (__pu_val), "i" (-EFAULT) \
+ : "memory"); \
+ break; \
+ } \
+ default: \
+ __pu_err = __put_user_bad(); \
+ break; \
+ } \
+ __pu_err; \
})
-#define __put_user(x, ptr) put_user(x, ptr)
-
-extern int __put_user_bad(void);
+#define put_user(x, ptr) __put_user(x, ptr)
-/*
- * Tell gcc we read from memory instead of writing: this is because
- * we do not write to any memory gcc knows about, so there are no
- * aliasing issues.
- */
-#define __put_user_asm(err,x,ptr,bwl) \
-__asm__ __volatile__ \
- ("21:moves" #bwl " %2,%1\n" \
- "1:\n" \
- ".section .fixup,\"ax\"\n" \
- " .even\n" \
- "2: movel %3,%0\n" \
- " jra 1b\n" \
- ".previous\n" \
- ".section __ex_table,\"a\"\n" \
- " .align 4\n" \
- " .long 21b,2b\n" \
- " .long 1b,2b\n" \
- ".previous" \
- : "=d"(err) \
- : "m"(*(ptr)), "r"(x), "i"(-EFAULT), "0"(0))
-#define get_user(x, ptr) \
-({ \
- int __gu_err; \
- typeof(*(ptr)) __gu_val; \
- __chk_user_ptr(ptr); \
- switch (sizeof(*(ptr))) { \
- case 1: \
- __get_user_asm(__gu_err, __gu_val, ptr, b, "=d"); \
- break; \
- case 2: \
- __get_user_asm(__gu_err, __gu_val, ptr, w, "=r"); \
- break; \
- case 4: \
- __get_user_asm(__gu_err, __gu_val, ptr, l, "=r"); \
- break; \
- case 8: \
- __gu_err = __constant_copy_from_user(&__gu_val, ptr, 8); \
- break; \
- default: \
- __gu_val = (typeof(*(ptr)))0; \
- __gu_err = __get_user_bad(); \
- break; \
- } \
- (x) = __gu_val; \
- __gu_err; \
+#define __get_user_asm(res, x, ptr, type, bwl, reg, err) ({ \
+ type __gu_val; \
+ asm volatile ("\n" \
+ "1: moves."#bwl" %2,%1\n" \
+ "2:\n" \
+ " .section .fixup,\"ax\"\n" \
+ " .even\n" \
+ "10: move.l %3,%0\n" \
+ " sub."#bwl" %1,%1\n" \
+ " jra 2b\n" \
+ " .previous\n" \
+ "\n" \
+ " .section __ex_table,\"a\"\n" \
+ " .align 4\n" \
+ " .long 1b,10b\n" \
+ " .previous" \
+ : "+d" (res), "=&" #reg (__gu_val) \
+ : "m" (*(ptr)), "i" (err)); \
+ (x) = (typeof(*(ptr)))(long)__gu_val; \
})
-#define __get_user(x, ptr) get_user(x, ptr)
-
-extern int __get_user_bad(void);
-
-#define __get_user_asm(err,x,ptr,bwl,reg) \
-__asm__ __volatile__ \
- ("1: moves" #bwl " %2,%1\n" \
- "2:\n" \
- ".section .fixup,\"ax\"\n" \
- " .even\n" \
- "3: movel %3,%0\n" \
- " sub" #bwl " %1,%1\n" \
- " jra 2b\n" \
- ".previous\n" \
- ".section __ex_table,\"a\"\n" \
- " .align 4\n" \
- " .long 1b,3b\n" \
- ".previous" \
- : "=d"(err), reg(x) \
- : "m"(*(ptr)), "i" (-EFAULT), "0"(0))
-static inline unsigned long
-__generic_copy_from_user(void *to, const void __user *from, unsigned long n)
-{
- unsigned long tmp;
- __asm__ __volatile__
- (" tstl %2\n"
- " jeq 2f\n"
- "1: movesl (%1)+,%3\n"
- " movel %3,(%0)+\n"
- " subql #1,%2\n"
- " jne 1b\n"
- "2: movel %4,%2\n"
- " bclr #1,%2\n"
- " jeq 4f\n"
- "3: movesw (%1)+,%3\n"
- " movew %3,(%0)+\n"
- "4: bclr #0,%2\n"
- " jeq 6f\n"
- "5: movesb (%1)+,%3\n"
- " moveb %3,(%0)+\n"
- "6:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "7: movel %2,%%d0\n"
- "71:clrl (%0)+\n"
- " subql #1,%%d0\n"
- " jne 71b\n"
- " lsll #2,%2\n"
- " addl %4,%2\n"
- " btst #1,%4\n"
- " jne 81f\n"
- " btst #0,%4\n"
- " jne 91f\n"
- " jra 6b\n"
- "8: addql #2,%2\n"
- "81:clrw (%0)+\n"
- " btst #0,%4\n"
- " jne 91f\n"
- " jra 6b\n"
- "9: addql #1,%2\n"
- "91:clrb (%0)+\n"
- " jra 6b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,7b\n"
- " .long 3b,8b\n"
- " .long 5b,9b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n), "=&d"(tmp)
- : "d"(n & 3), "0"(to), "1"(from), "2"(n/4)
- : "d0", "memory");
- return n;
-}
+#define __get_user(x, ptr) \
+({ \
+ int __gu_err = 0; \
+ __chk_user_ptr(ptr); \
+ switch (sizeof(*(ptr))) { \
+ case 1: \
+ __get_user_asm(__gu_err, x, ptr, u8, b, d, -EFAULT); \
+ break; \
+ case 2: \
+ __get_user_asm(__gu_err, x, ptr, u16, w, d, -EFAULT); \
+ break; \
+ case 4: \
+ __get_user_asm(__gu_err, x, ptr, u32, l, r, -EFAULT); \
+ break; \
+/* case 8: disabled because gcc-4.1 has a broken typeof \
+ { \
+ const void *__gu_ptr = (ptr); \
+ u64 __gu_val; \
+ asm volatile ("\n" \
+ "1: moves.l (%2)+,%1\n" \
+ "2: moves.l (%2),%R1\n" \
+ "3:\n" \
+ " .section .fixup,\"ax\"\n" \
+ " .even\n" \
+ "10: move.l %3,%0\n" \
+ " sub.l %1,%1\n" \
+ " sub.l %R1,%R1\n" \
+ " jra 3b\n" \
+ " .previous\n" \
+ "\n" \
+ " .section __ex_table,\"a\"\n" \
+ " .align 4\n" \
+ " .long 1b,10b\n" \
+ " .long 2b,10b\n" \
+ " .previous" \
+ : "+d" (__gu_err), "=&r" (__gu_val), \
+ "+a" (__gu_ptr) \
+ : "i" (-EFAULT) \
+ : "memory"); \
+ (x) = (typeof(*(ptr)))__gu_val; \
+ break; \
+ } */ \
+ default: \
+ __gu_err = __get_user_bad(); \
+ break; \
+ } \
+ __gu_err; \
+})
+#define get_user(x, ptr) __get_user(x, ptr)
-static inline unsigned long
-__generic_copy_to_user(void __user *to, const void *from, unsigned long n)
-{
- unsigned long tmp;
- __asm__ __volatile__
- (" tstl %2\n"
- " jeq 3f\n"
- "1: movel (%1)+,%3\n"
- "22:movesl %3,(%0)+\n"
- "2: subql #1,%2\n"
- " jne 1b\n"
- "3: movel %4,%2\n"
- " bclr #1,%2\n"
- " jeq 4f\n"
- " movew (%1)+,%3\n"
- "24:movesw %3,(%0)+\n"
- "4: bclr #0,%2\n"
- " jeq 5f\n"
- " moveb (%1)+,%3\n"
- "25:movesb %3,(%0)+\n"
- "5:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "60:addql #1,%2\n"
- "6: lsll #2,%2\n"
- " addl %4,%2\n"
- " jra 5b\n"
- "7: addql #2,%2\n"
- " jra 5b\n"
- "8: addql #1,%2\n"
- " jra 5b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,60b\n"
- " .long 22b,6b\n"
- " .long 2b,6b\n"
- " .long 24b,7b\n"
- " .long 3b,60b\n"
- " .long 4b,7b\n"
- " .long 25b,8b\n"
- " .long 5b,8b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n), "=&d"(tmp)
- : "r"(n & 3), "0"(to), "1"(from), "2"(n / 4)
- : "memory");
- return n;
-}
+unsigned long __generic_copy_from_user(void *to, const void __user *from, unsigned long n);
+unsigned long __generic_copy_to_user(void __user *to, const void *from, unsigned long n);
-#define __copy_from_user_big(to, from, n, fixup, copy) \
- __asm__ __volatile__ \
- ("10: movesl (%1)+,%%d0\n" \
- " movel %%d0,(%0)+\n" \
- " subql #1,%2\n" \
- " jne 10b\n" \
- ".section .fixup,\"ax\"\n" \
- " .even\n" \
- "11: movel %2,%%d0\n" \
- "13: clrl (%0)+\n" \
- " subql #1,%%d0\n" \
- " jne 13b\n" \
- " lsll #2,%2\n" \
- fixup "\n" \
- " jra 12f\n" \
- ".previous\n" \
- ".section __ex_table,\"a\"\n" \
- " .align 4\n" \
- " .long 10b,11b\n" \
- ".previous\n" \
- copy "\n" \
- "12:" \
- : "=a"(to), "=a"(from), "=d"(n) \
- : "0"(to), "1"(from), "2"(n/4) \
- : "d0", "memory")
+#define __constant_copy_from_user_asm(res, to, from, tmp, n, s1, s2, s3)\
+ asm volatile ("\n" \
+ "1: moves."#s1" (%2)+,%3\n" \
+ " move."#s1" %3,(%1)+\n" \
+ "2: moves."#s2" (%2)+,%3\n" \
+ " move."#s2" %3,(%1)+\n" \
+ " .ifnc \""#s3"\",\"\"\n" \
+ "3: moves."#s3" (%2)+,%3\n" \
+ " move."#s3" %3,(%1)+\n" \
+ " .endif\n" \
+ "4:\n" \
+ " .section __ex_table,\"a\"\n" \
+ " .align 4\n" \
+ " .long 1b,10f\n" \
+ " .long 2b,20f\n" \
+ " .ifnc \""#s3"\",\"\"\n" \
+ " .long 3b,30f\n" \
+ " .endif\n" \
+ " .previous\n" \
+ "\n" \
+ " .section .fixup,\"ax\"\n" \
+ " .even\n" \
+ "10: clr."#s1" (%1)+\n" \
+ "20: clr."#s2" (%1)+\n" \
+ " .ifnc \""#s3"\",\"\"\n" \
+ "30: clr."#s3" (%1)+\n" \
+ " .endif\n" \
+ " moveq.l #"#n",%0\n" \
+ " jra 4b\n" \
+ " .previous\n" \
+ : "+d" (res), "+&a" (to), "+a" (from), "=&d" (tmp) \
+ : : "memory")
-static inline unsigned long
+static __always_inline unsigned long
__constant_copy_from_user(void *to, const void __user *from, unsigned long n)
{
- switch (n) {
- case 0:
- break;
- case 1:
- __asm__ __volatile__
- ("1: movesb (%1)+,%%d0\n"
- " moveb %%d0,(%0)+\n"
- "2:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "3: addql #1,%2\n"
- " clrb (%0)+\n"
- " jra 2b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,3b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 2:
- __asm__ __volatile__
- ("1: movesw (%1)+,%%d0\n"
- " movew %%d0,(%0)+\n"
- "2:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "3: addql #2,%2\n"
- " clrw (%0)+\n"
- " jra 2b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,3b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 3:
- __asm__ __volatile__
- ("1: movesw (%1)+,%%d0\n"
- " movew %%d0,(%0)+\n"
- "2: movesb (%1)+,%%d0\n"
- " moveb %%d0,(%0)+\n"
- "3:"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "4: addql #2,%2\n"
- " clrw (%0)+\n"
- "5: addql #1,%2\n"
- " clrb (%0)+\n"
- " jra 3b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,4b\n"
- " .long 2b,5b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 4:
- __asm__ __volatile__
- ("1: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "2:"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "3: addql #4,%2\n"
- " clrl (%0)+\n"
- " jra 2b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,3b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 8:
- __asm__ __volatile__
- ("1: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "2: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "3:"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "4: addql #4,%2\n"
- " clrl (%0)+\n"
- "5: addql #4,%2\n"
- " clrl (%0)+\n"
- " jra 3b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,4b\n"
- " .long 2b,5b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 12:
- __asm__ __volatile__
- ("1: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "2: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "3: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "4:"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "5: addql #4,%2\n"
- " clrl (%0)+\n"
- "6: addql #4,%2\n"
- " clrl (%0)+\n"
- "7: addql #4,%2\n"
- " clrl (%0)+\n"
- " jra 4b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,5b\n"
- " .long 2b,6b\n"
- " .long 3b,7b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 16:
- __asm__ __volatile__
- ("1: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "2: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "3: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "4: movesl (%1)+,%%d0\n"
- " movel %%d0,(%0)+\n"
- "5:"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "6: addql #4,%2\n"
- " clrl (%0)+\n"
- "7: addql #4,%2\n"
- " clrl (%0)+\n"
- "8: addql #4,%2\n"
- " clrl (%0)+\n"
- "9: addql #4,%2\n"
- " clrl (%0)+\n"
- " jra 5b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,6b\n"
- " .long 2b,7b\n"
- " .long 3b,8b\n"
- " .long 4b,9b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- default:
- switch (n & 3) {
- case 0:
- __copy_from_user_big(to, from, n, "", "");
- break;
+ unsigned long res = 0, tmp;
+
+ switch (n) {
case 1:
- __copy_from_user_big(to, from, n,
- /* fixup */
- "1: addql #1,%2\n"
- " clrb (%0)+",
- /* copy */
- "2: movesb (%1)+,%%d0\n"
- " moveb %%d0,(%0)+\n"
- ".section __ex_table,\"a\"\n"
- " .long 2b,1b\n"
- ".previous");
- break;
+ __get_user_asm(res, *(u8 *)to, (u8 *)from, u8, b, d, 1);
+ break;
case 2:
- __copy_from_user_big(to, from, n,
- /* fixup */
- "1: addql #2,%2\n"
- " clrw (%0)+",
- /* copy */
- "2: movesw (%1)+,%%d0\n"
- " movew %%d0,(%0)+\n"
- ".section __ex_table,\"a\"\n"
- " .long 2b,1b\n"
- ".previous");
- break;
+ __get_user_asm(res, *(u16 *)to, (u16 *)from, u16, w, d, 2);
+ break;
case 3:
- __copy_from_user_big(to, from, n,
- /* fixup */
- "1: addql #2,%2\n"
- " clrw (%0)+\n"
- "2: addql #1,%2\n"
- " clrb (%0)+",
- /* copy */
- "3: movesw (%1)+,%%d0\n"
- " movew %%d0,(%0)+\n"
- "4: movesb (%1)+,%%d0\n"
- " moveb %%d0,(%0)+\n"
- ".section __ex_table,\"a\"\n"
- " .long 3b,1b\n"
- " .long 4b,2b\n"
- ".previous");
- break;
+ __constant_copy_from_user_asm(res, to, from, tmp, 3, w, b,);
+ break;
+ case 4:
+ __get_user_asm(res, *(u32 *)to, (u32 *)from, u32, l, r, 4);
+ break;
+ case 5:
+ __constant_copy_from_user_asm(res, to, from, tmp, 5, l, b,);
+ break;
+ case 6:
+ __constant_copy_from_user_asm(res, to, from, tmp, 6, l, w,);
+ break;
+ case 7:
+ __constant_copy_from_user_asm(res, to, from, tmp, 7, l, w, b);
+ break;
+ case 8:
+ __constant_copy_from_user_asm(res, to, from, tmp, 8, l, l,);
+ break;
+ case 9:
+ __constant_copy_from_user_asm(res, to, from, tmp, 9, l, l, b);
+ break;
+ case 10:
+ __constant_copy_from_user_asm(res, to, from, tmp, 10, l, l, w);
+ break;
+ case 12:
+ __constant_copy_from_user_asm(res, to, from, tmp, 12, l, l, l);
+ break;
+ default:
+ /* we limit the inlined version to 3 moves */
+ return __generic_copy_from_user(to, from, n);
}
- break;
- }
- return n;
-}
-#define __copy_to_user_big(to, from, n, fixup, copy) \
- __asm__ __volatile__ \
- ("10: movel (%1)+,%%d0\n" \
- "31: movesl %%d0,(%0)+\n" \
- "11: subql #1,%2\n" \
- " jne 10b\n" \
- "41:\n" \
- ".section .fixup,\"ax\"\n" \
- " .even\n" \
- "22: addql #1,%2\n" \
- "12: lsll #2,%2\n" \
- fixup "\n" \
- " jra 13f\n" \
- ".previous\n" \
- ".section __ex_table,\"a\"\n" \
- " .align 4\n" \
- " .long 10b,22b\n" \
- " .long 31b,12b\n" \
- " .long 11b,12b\n" \
- " .long 41b,22b\n" \
- ".previous\n" \
- copy "\n" \
- "13:" \
- : "=a"(to), "=a"(from), "=d"(n) \
- : "0"(to), "1"(from), "2"(n/4) \
- : "d0", "memory")
+ return res;
+}
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
+#define __constant_copy_to_user_asm(res, to, from, tmp, n, s1, s2, s3) \
+ asm volatile ("\n" \
+ " move."#s1" (%2)+,%3\n" \
+ "11: moves."#s1" %3,(%1)+\n" \
+ "12: move."#s2" (%2)+,%3\n" \
+ "21: moves."#s2" %3,(%1)+\n" \
+ "22:\n" \
+ " .ifnc \""#s3"\",\"\"\n" \
+ " move."#s3" (%2)+,%3\n" \
+ "31: moves."#s3" %3,(%1)+\n" \
+ "32:\n" \
+ " .endif\n" \
+ "4:\n" \
+ "\n" \
+ " .section __ex_table,\"a\"\n" \
+ " .align 4\n" \
+ " .long 11b,5f\n" \
+ " .long 12b,5f\n" \
+ " .long 21b,5f\n" \
+ " .long 22b,5f\n" \
+ " .ifnc \""#s3"\",\"\"\n" \
+ " .long 31b,5f\n" \
+ " .long 32b,5f\n" \
+ " .endif\n" \
+ " .previous\n" \
+ "\n" \
+ " .section .fixup,\"ax\"\n" \
+ " .even\n" \
+ "5: moveq.l #"#n",%0\n" \
+ " jra 4b\n" \
+ " .previous\n" \
+ : "+d" (res), "+a" (to), "+a" (from), "=&d" (tmp) \
+ : : "memory")
-static inline unsigned long
+static __always_inline unsigned long
__constant_copy_to_user(void __user *to, const void *from, unsigned long n)
{
- switch (n) {
- case 0:
- break;
- case 1:
- __asm__ __volatile__
- (" moveb (%1)+,%%d0\n"
- "21:movesb %%d0,(%0)+\n"
- "1:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "2: addql #1,%2\n"
- " jra 1b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n "
- " .long 21b,2b\n"
- " .long 1b,2b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 2:
- __asm__ __volatile__
- (" movew (%1)+,%%d0\n"
- "21:movesw %%d0,(%0)+\n"
- "1:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "2: addql #2,%2\n"
- " jra 1b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 21b,2b\n"
- " .long 1b,2b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 3:
- __asm__ __volatile__
- (" movew (%1)+,%%d0\n"
- "21:movesw %%d0,(%0)+\n"
- "1: moveb (%1)+,%%d0\n"
- "22:movesb %%d0,(%0)+\n"
- "2:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "3: addql #2,%2\n"
- "4: addql #1,%2\n"
- " jra 2b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 21b,3b\n"
- " .long 1b,3b\n"
- " .long 22b,4b\n"
- " .long 2b,4b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 4:
- __asm__ __volatile__
- (" movel (%1)+,%%d0\n"
- "21:movesl %%d0,(%0)+\n"
- "1:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "2: addql #4,%2\n"
- " jra 1b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 21b,2b\n"
- " .long 1b,2b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 8:
- __asm__ __volatile__
- (" movel (%1)+,%%d0\n"
- "21:movesl %%d0,(%0)+\n"
- "1: movel (%1)+,%%d0\n"
- "22:movesl %%d0,(%0)+\n"
- "2:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "3: addql #4,%2\n"
- "4: addql #4,%2\n"
- " jra 2b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 21b,3b\n"
- " .long 1b,3b\n"
- " .long 22b,4b\n"
- " .long 2b,4b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 12:
- __asm__ __volatile__
- (" movel (%1)+,%%d0\n"
- "21:movesl %%d0,(%0)+\n"
- "1: movel (%1)+,%%d0\n"
- "22:movesl %%d0,(%0)+\n"
- "2: movel (%1)+,%%d0\n"
- "23:movesl %%d0,(%0)+\n"
- "3:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "4: addql #4,%2\n"
- "5: addql #4,%2\n"
- "6: addql #4,%2\n"
- " jra 3b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 21b,4b\n"
- " .long 1b,4b\n"
- " .long 22b,5b\n"
- " .long 2b,5b\n"
- " .long 23b,6b\n"
- " .long 3b,6b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- case 16:
- __asm__ __volatile__
- (" movel (%1)+,%%d0\n"
- "21:movesl %%d0,(%0)+\n"
- "1: movel (%1)+,%%d0\n"
- "22:movesl %%d0,(%0)+\n"
- "2: movel (%1)+,%%d0\n"
- "23:movesl %%d0,(%0)+\n"
- "3: movel (%1)+,%%d0\n"
- "24:movesl %%d0,(%0)+\n"
- "4:"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "5: addql #4,%2\n"
- "6: addql #4,%2\n"
- "7: addql #4,%2\n"
- "8: addql #4,%2\n"
- " jra 4b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 21b,5b\n"
- " .long 1b,5b\n"
- " .long 22b,6b\n"
- " .long 2b,6b\n"
- " .long 23b,7b\n"
- " .long 3b,7b\n"
- " .long 24b,8b\n"
- " .long 4b,8b\n"
- ".previous"
- : "=a"(to), "=a"(from), "=d"(n)
- : "0"(to), "1"(from), "2"(0)
- : "d0", "memory");
- break;
- default:
- switch (n & 3) {
- case 0:
- __copy_to_user_big(to, from, n, "", "");
- break;
+ unsigned long res = 0, tmp;
+
+ switch (n) {
case 1:
- __copy_to_user_big(to, from, n,
- /* fixup */
- "1: addql #1,%2",
- /* copy */
- " moveb (%1)+,%%d0\n"
- "22:movesb %%d0,(%0)+\n"
- "2:"
- ".section __ex_table,\"a\"\n"
- " .long 22b,1b\n"
- " .long 2b,1b\n"
- ".previous");
- break;
+ __put_user_asm(res, *(u8 *)from, (u8 *)to, b, d, 1);
+ break;
case 2:
- __copy_to_user_big(to, from, n,
- /* fixup */
- "1: addql #2,%2",
- /* copy */
- " movew (%1)+,%%d0\n"
- "22:movesw %%d0,(%0)+\n"
- "2:"
- ".section __ex_table,\"a\"\n"
- " .long 22b,1b\n"
- " .long 2b,1b\n"
- ".previous");
- break;
+ __put_user_asm(res, *(u16 *)from, (u16 *)to, w, d, 2);
+ break;
case 3:
- __copy_to_user_big(to, from, n,
- /* fixup */
- "1: addql #2,%2\n"
- "2: addql #1,%2",
- /* copy */
- " movew (%1)+,%%d0\n"
- "23:movesw %%d0,(%0)+\n"
- "3: moveb (%1)+,%%d0\n"
- "24:movesb %%d0,(%0)+\n"
- "4:"
- ".section __ex_table,\"a\"\n"
- " .long 23b,1b\n"
- " .long 3b,1b\n"
- " .long 24b,2b\n"
- " .long 4b,2b\n"
- ".previous");
- break;
+ __constant_copy_to_user_asm(res, to, from, tmp, 3, w, b,);
+ break;
+ case 4:
+ __put_user_asm(res, *(u32 *)from, (u32 *)to, l, r, 4);
+ break;
+ case 5:
+ __constant_copy_to_user_asm(res, to, from, tmp, 5, l, b,);
+ break;
+ case 6:
+ __constant_copy_to_user_asm(res, to, from, tmp, 6, l, w,);
+ break;
+ case 7:
+ __constant_copy_to_user_asm(res, to, from, tmp, 7, l, w, b);
+ break;
+ case 8:
+ __constant_copy_to_user_asm(res, to, from, tmp, 8, l, l,);
+ break;
+ case 9:
+ __constant_copy_to_user_asm(res, to, from, tmp, 9, l, l, b);
+ break;
+ case 10:
+ __constant_copy_to_user_asm(res, to, from, tmp, 10, l, l, w);
+ break;
+ case 12:
+ __constant_copy_to_user_asm(res, to, from, tmp, 12, l, l, l);
+ break;
+ default:
+ /* limit the inlined version to 3 moves */
+ return __generic_copy_to_user(to, from, n);
}
- break;
- }
- return n;
+
+ return res;
}
-#define copy_from_user(to, from, n) \
+#define __copy_from_user(to, from, n) \
(__builtin_constant_p(n) ? \
__constant_copy_from_user(to, from, n) : \
__generic_copy_from_user(to, from, n))
-#define copy_to_user(to, from, n) \
+#define __copy_to_user(to, from, n) \
(__builtin_constant_p(n) ? \
__constant_copy_to_user(to, from, n) : \
__generic_copy_to_user(to, from, n))
-#define __copy_from_user(to, from, n) copy_from_user(to, from, n)
-#define __copy_to_user(to, from, n) copy_to_user(to, from, n)
-
-/*
- * Copy a null terminated string from userspace.
- */
-
-static inline long
-strncpy_from_user(char *dst, const char __user *src, long count)
-{
- long res;
- if (count == 0) return count;
- __asm__ __volatile__
- ("1: movesb (%2)+,%%d0\n"
- "12:moveb %%d0,(%1)+\n"
- " jeq 2f\n"
- " subql #1,%3\n"
- " jne 1b\n"
- "2: subl %3,%0\n"
- "3:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "4: movel %4,%0\n"
- " jra 3b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,4b\n"
- " .long 12b,4b\n"
- ".previous"
- : "=d"(res), "=a"(dst), "=a"(src), "=d"(count)
- : "i"(-EFAULT), "0"(count), "1"(dst), "2"(src), "3"(count)
- : "d0", "memory");
- return res;
-}
+#define __copy_to_user_inatomic __copy_to_user
+#define __copy_from_user_inatomic __copy_from_user
-/*
- * Return the size of a string (including the ending 0)
- *
- * Return 0 on exception, a value greater than N if too long
- */
-static inline long strnlen_user(const char __user *src, long n)
-{
- long res;
+#define copy_from_user(to, from, n) __copy_from_user(to, from, n)
+#define copy_to_user(to, from, n) __copy_to_user(to, from, n)
- res = -(unsigned long)src;
- __asm__ __volatile__
- ("1:\n"
- " tstl %2\n"
- " jeq 3f\n"
- "2: movesb (%1)+,%%d0\n"
- "22:\n"
- " subql #1,%2\n"
- " tstb %%d0\n"
- " jne 1b\n"
- " jra 4f\n"
- "3:\n"
- " addql #1,%0\n"
- "4:\n"
- " addl %1,%0\n"
- "5:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "6: moveq %3,%0\n"
- " jra 5b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 2b,6b\n"
- " .long 22b,6b\n"
- ".previous"
- : "=d"(res), "=a"(src), "=d"(n)
- : "i"(0), "0"(res), "1"(src), "2"(n)
- : "d0");
- return res;
-}
+long strncpy_from_user(char *dst, const char __user *src, long count);
+long strnlen_user(const char __user *src, long n);
+unsigned long clear_user(void __user *to, unsigned long n);
#define strlen_user(str) strnlen_user(str, 32767)
-/*
- * Zero Userspace
- */
-
-static inline unsigned long
-clear_user(void __user *to, unsigned long n)
-{
- __asm__ __volatile__
- (" tstl %1\n"
- " jeq 3f\n"
- "1: movesl %3,(%0)+\n"
- "2: subql #1,%1\n"
- " jne 1b\n"
- "3: movel %2,%1\n"
- " bclr #1,%1\n"
- " jeq 4f\n"
- "24:movesw %3,(%0)+\n"
- "4: bclr #0,%1\n"
- " jeq 5f\n"
- "25:movesb %3,(%0)+\n"
- "5:\n"
- ".section .fixup,\"ax\"\n"
- " .even\n"
- "61:addql #1,%1\n"
- "6: lsll #2,%1\n"
- " addl %2,%1\n"
- " jra 5b\n"
- "7: addql #2,%1\n"
- " jra 5b\n"
- "8: addql #1,%1\n"
- " jra 5b\n"
- ".previous\n"
- ".section __ex_table,\"a\"\n"
- " .align 4\n"
- " .long 1b,61b\n"
- " .long 2b,6b\n"
- " .long 3b,61b\n"
- " .long 24b,7b\n"
- " .long 4b,7b\n"
- " .long 25b,8b\n"
- " .long 5b,8b\n"
- ".previous"
- : "=a"(to), "=d"(n)
- : "r"(n & 3), "r"(0), "0"(to), "1"(n/4));
- return n;
-}
-
#endif /* _M68K_UACCESS_H */
diff --git a/include/asm-m68k/unistd.h b/include/asm-m68k/unistd.h
index f236fe92156..7c0b6296b45 100644
--- a/include/asm-m68k/unistd.h
+++ b/include/asm-m68k/unistd.h
@@ -410,46 +410,7 @@ __syscall_return(type,__res); \
#ifdef __KERNEL_SYSCALLS__
-#include <linux/compiler.h>
-#include <linux/interrupt.h>
-#include <linux/types.h>
-
-/*
- * we need this inline - forking from kernel space will result
- * in NO COPY ON WRITE (!!!), until an execve is executed. This
- * is no problem, but for the stack. This is handled by not letting
- * main() use the stack at all after fork(). Thus, no function
- * calls - which means inline code for fork too, as otherwise we
- * would use the stack upon exit from 'fork()'.
- *
- * Actually only pause and fork are needed inline, so that there
- * won't be any messing with the stack from main(), but we define
- * some others too.
- */
-#define __NR__exit __NR_exit
-static inline _syscall0(pid_t,setsid)
-static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
-static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
-static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
-static inline _syscall1(int,dup,int,fd)
static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
-static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
-static inline _syscall1(int,close,int,fd)
-static inline _syscall1(int,_exit,int,exitcode)
-static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
-
-asmlinkage long sys_mmap2(
- unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff);
-asmlinkage int sys_execve(char *name, char **argv, char **envp);
-asmlinkage int sys_pipe(unsigned long *fildes);
-struct pt_regs;
-struct sigaction;
-asmlinkage long sys_rt_sigaction(int sig,
- const struct sigaction __user *act,
- struct sigaction __user *oact,
- size_t sigsetsize);
#endif /* __KERNEL_SYSCALLS__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-22 04:57:59 +0000