* Header file cleanup for ARM
* Patch by Murray Jensen, 24 Jun 2003:
- make sure to use only U-boot provided header files
- fix problems with ".rodata.str1.4" section as used by GCC-3.x
diff --git a/include/asm-arm/arch-arm920t/memory.h b/include/asm-arm/arch-arm920t/memory.h
new file mode 100644
index 0000000..8a4e3f8
--- /dev/null
+++ b/include/asm-arm/arch-arm920t/memory.h
@@ -0,0 +1,162 @@
+/*
+ * linux/include/asm-arm/arch-s3c2400/memory.h by gj@denx.de
+ * based on
+ * linux/include/asm-arm/arch-sa1100/memory.h
+ *
+ * Copyright (c) 1999 Nicolas Pitre <nico@visuaide.com>
+ */
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+
+/*
+ * Task size: 3GB
+ */
+#define TASK_SIZE (0xc0000000UL)
+#define TASK_SIZE_26 (0x04000000UL)
+
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.
+ */
+#define TASK_UNMAPPED_BASE (TASK_SIZE / 3)
+
+/*
+ * Page offset: 3GB
+ */
+#define PAGE_OFFSET (0xc0000000UL)
+
+/*
+ * Physical DRAM offset is 0x0c000000 on the S3C2400
+ */
+#define PHYS_OFFSET (0x0c000000UL)
+
+#include <linux/config.h>
+
+
+/* Modified for S3C2400, by chc, 20010509 */
+#define RAM_IN_BANK_0 32*1024*1024
+#define RAM_IN_BANK_1 0
+#define RAM_IN_BANK_2 0
+#define RAM_IN_BANK_3 0
+
+#define MEM_SIZE (RAM_IN_BANK_0+RAM_IN_BANK_1+RAM_IN_BANK_2+RAM_IN_BANK_3)
+
+
+/* translation macros */
+#define __virt_to_phys__is_a_macro
+#define __phys_to_virt__is_a_macro
+
+#if (RAM_IN_BANK_1 + RAM_IN_BANK_2 + RAM_IN_BANK_3 == 0)
+
+#define __virt_to_phys(x) ( (x) - PAGE_OFFSET + 0x0c000000 )
+#define __phys_to_virt(x) ( (x) - 0x0c000000 + PAGE_OFFSET )
+
+#elif (RAM_IN_BANK_0 == RAM_IN_BANK_1) && \
+ (RAM_IN_BANK_2 + RAM_IN_BANK_3 == 0)
+
+/* Two identical banks */
+#define __virt_to_phys(x) \
+ ( ((x) < PAGE_OFFSET+RAM_IN_BANK_0) ? \
+ ((x) - PAGE_OFFSET + _DRAMBnk0) : \
+ ((x) - PAGE_OFFSET - RAM_IN_BANK_0 + _DRAMBnk1) )
+#define __phys_to_virt(x) \
+ ( ((x)&0x07ffffff) + \
+ (((x)&0x08000000) ? PAGE_OFFSET+RAM_IN_BANK_0 : PAGE_OFFSET) )
+#else
+
+/* It's more efficient for all other cases to use the function call */
+#undef __virt_to_phys__is_a_macro
+#undef __phys_to_virt__is_a_macro
+extern unsigned long __virt_to_phys(unsigned long vpage);
+extern unsigned long __phys_to_virt(unsigned long ppage);
+
+#endif
+
+/*
+ * Virtual view <-> DMA view memory address translations
+ * virt_to_bus: Used to translate the virtual address to an
+ * address suitable to be passed to set_dma_addr
+ * bus_to_virt: Used to convert an address for DMA operations
+ * to an address that the kernel can use.
+ *
+ * On the SA1100, bus addresses are equivalent to physical addresses.
+ */
+#define __virt_to_bus__is_a_macro
+#define __virt_to_bus(x) __virt_to_phys(x)
+#define __bus_to_virt__is_a_macro
+#define __bus_to_virt(x) __phys_to_virt(x)
+
+
+#ifdef CONFIG_DISCONTIGMEM
+#error "CONFIG_DISCONTIGMEM will not work on S3C2400"
+/*
+ * Because of the wide memory address space between physical RAM banks on the
+ * SA1100, it's much more convenient to use Linux's NUMA support to implement
+ * our memory map representation. Assuming all memory nodes have equal access
+ * characteristics, we then have generic discontiguous memory support.
+ *
+ * Of course, all this isn't mandatory for SA1100 implementations with only
+ * one used memory bank. For those, simply undefine CONFIG_DISCONTIGMEM.
+ *
+ * The nodes are matched with the physical memory bank addresses which are
+ * incidentally the same as virtual addresses.
+ *
+ * node 0: 0xc0000000 - 0xc7ffffff
+ * node 1: 0xc8000000 - 0xcfffffff
+ * node 2: 0xd0000000 - 0xd7ffffff
+ * node 3: 0xd8000000 - 0xdfffffff
+ */
+
+#define NR_NODES 4
+
+/*
+ * Given a kernel address, find the home node of the underlying memory.
+ */
+#define KVADDR_TO_NID(addr) \
+ (((unsigned long)(addr) - 0xc0000000) >> 27)
+
+/*
+ * Given a physical address, convert it to a node id.
+ */
+#define PHYS_TO_NID(addr) KVADDR_TO_NID(__phys_to_virt(addr))
+
+/*
+ * Given a kaddr, ADDR_TO_MAPBASE finds the owning node of the memory
+ * and returns the mem_map of that node.
+ */
+#define ADDR_TO_MAPBASE(kaddr) \
+ NODE_MEM_MAP(KVADDR_TO_NID((unsigned long)(kaddr)))
+
+/*
+ * Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory
+ * and returns the index corresponding to the appropriate page in the
+ * node's mem_map.
+ */
+#define LOCAL_MAP_NR(kvaddr) \
+ (((unsigned long)(kvaddr) & 0x07ffffff) >> PAGE_SHIFT)
+
+/*
+ * Given a kaddr, virt_to_page returns a pointer to the corresponding
+ * mem_map entry.
+ */
+#define virt_to_page(kaddr) \
+ (ADDR_TO_MAPBASE(kaddr) + LOCAL_MAP_NR(kaddr))
+
+/*
+ * VALID_PAGE returns a non-zero value if given page pointer is valid.
+ * This assumes all node's mem_maps are stored within the node they refer to.
+ */
+#define VALID_PAGE(page) \
+({ unsigned int node = KVADDR_TO_NID(page); \
+ ( (node < NR_NODES) && \
+ ((unsigned)((page) - NODE_MEM_MAP(node)) < NODE_DATA(node)->node_size) ); \
+})
+
+#else
+
+#define PHYS_TO_NID(addr) (0)
+
+#endif
+#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/include/asm-arm/arch-sa1100/bitfield.h b/include/asm-arm/arch-sa1100/bitfield.h
new file mode 100644
index 0000000..f1f0e33
--- /dev/null
+++ b/include/asm-arm/arch-sa1100/bitfield.h
@@ -0,0 +1,113 @@
+/*
+ * FILE bitfield.h
+ *
+ * Version 1.1
+ * Author Copyright (c) Marc A. Viredaz, 1998
+ * DEC Western Research Laboratory, Palo Alto, CA
+ * Date April 1998 (April 1997)
+ * System Advanced RISC Machine (ARM)
+ * Language C or ARM Assembly
+ * Purpose Definition of macros to operate on bit fields.
+ */
+
+
+
+#ifndef __BITFIELD_H
+#define __BITFIELD_H
+
+#ifndef __ASSEMBLY__
+#define UData(Data) ((unsigned long) (Data))
+#else
+#define UData(Data) (Data)
+#endif
+
+
+/*
+ * MACRO: Fld
+ *
+ * Purpose
+ * The macro "Fld" encodes a bit field, given its size and its shift value
+ * with respect to bit 0.
+ *
+ * Note
+ * A more intuitive way to encode bit fields would have been to use their
+ * mask. However, extracting size and shift value information from a bit
+ * field's mask is cumbersome and might break the assembler (255-character
+ * line-size limit).
+ *
+ * Input
+ * Size Size of the bit field, in number of bits.
+ * Shft Shift value of the bit field with respect to bit 0.
+ *
+ * Output
+ * Fld Encoded bit field.
+ */
+
+#define Fld(Size, Shft) (((Size) << 16) + (Shft))
+
+
+/*
+ * MACROS: FSize, FShft, FMsk, FAlnMsk, F1stBit
+ *
+ * Purpose
+ * The macros "FSize", "FShft", "FMsk", "FAlnMsk", and "F1stBit" return
+ * the size, shift value, mask, aligned mask, and first bit of a
+ * bit field.
+ *
+ * Input
+ * Field Encoded bit field (using the macro "Fld").
+ *
+ * Output
+ * FSize Size of the bit field, in number of bits.
+ * FShft Shift value of the bit field with respect to bit 0.
+ * FMsk Mask for the bit field.
+ * FAlnMsk Mask for the bit field, aligned on bit 0.
+ * F1stBit First bit of the bit field.
+ */
+
+#define FSize(Field) ((Field) >> 16)
+#define FShft(Field) ((Field) & 0x0000FFFF)
+#define FMsk(Field) (((UData (1) << FSize (Field)) - 1) << FShft (Field))
+#define FAlnMsk(Field) ((UData (1) << FSize (Field)) - 1)
+#define F1stBit(Field) (UData (1) << FShft (Field))
+
+
+/*
+ * MACRO: FInsrt
+ *
+ * Purpose
+ * The macro "FInsrt" inserts a value into a bit field by shifting the
+ * former appropriately.
+ *
+ * Input
+ * Value Bit-field value.
+ * Field Encoded bit field (using the macro "Fld").
+ *
+ * Output
+ * FInsrt Bit-field value positioned appropriately.
+ */
+
+#define FInsrt(Value, Field) \
+ (UData (Value) << FShft (Field))
+
+
+/*
+ * MACRO: FExtr
+ *
+ * Purpose
+ * The macro "FExtr" extracts the value of a bit field by masking and
+ * shifting it appropriately.
+ *
+ * Input
+ * Data Data containing the bit-field to be extracted.
+ * Field Encoded bit field (using the macro "Fld").
+ *
+ * Output
+ * FExtr Bit-field value.
+ */
+
+#define FExtr(Data, Field) \
+ ((UData (Data) >> FShft (Field)) & FAlnMsk (Field))
+
+
+#endif /* __BITFIELD_H */
diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h
new file mode 100644
index 0000000..ba9e4b7
--- /dev/null
+++ b/include/asm-arm/atomic.h
@@ -0,0 +1,113 @@
+/*
+ * linux/include/asm-arm/atomic.h
+ *
+ * Copyright (c) 1996 Russell King.
+ *
+ * This program 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.
+ *
+ * Changelog:
+ * 27-06-1996 RMK Created
+ * 13-04-1997 RMK Made functions atomic!
+ * 07-12-1997 RMK Upgraded for v2.1.
+ * 26-08-1998 PJB Added #ifdef __KERNEL__
+ */
+#ifndef __ASM_ARM_ATOMIC_H
+#define __ASM_ARM_ATOMIC_H
+
+#include <linux/config.h>
+
+#ifdef CONFIG_SMP
+#error SMP not supported
+#endif
+
+typedef struct { volatile int counter; } atomic_t;
+
+#define ATOMIC_INIT(i) { (i) }
+
+#ifdef __KERNEL__
+#include <asm/proc/system.h>
+
+#define atomic_read(v) ((v)->counter)
+#define atomic_set(v,i) (((v)->counter) = (i))
+
+static inline void atomic_add(int i, volatile atomic_t *v)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ v->counter += i;
+ local_irq_restore(flags);
+}
+
+static inline void atomic_sub(int i, volatile atomic_t *v)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ v->counter -= i;
+ local_irq_restore(flags);
+}
+
+static inline void atomic_inc(volatile atomic_t *v)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ v->counter += 1;
+ local_irq_restore(flags);
+}
+
+static inline void atomic_dec(volatile atomic_t *v)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ v->counter -= 1;
+ local_irq_restore(flags);
+}
+
+static inline int atomic_dec_and_test(volatile atomic_t *v)
+{
+ unsigned long flags;
+ int val;
+
+ local_irq_save(flags);
+ val = v->counter;
+ v->counter = val -= 1;
+ local_irq_restore(flags);
+
+ return val == 0;
+}
+
+static inline int atomic_add_negative(int i, volatile atomic_t *v)
+{
+ unsigned long flags;
+ int val;
+
+ local_irq_save(flags);
+ val = v->counter;
+ v->counter = val += i;
+ local_irq_restore(flags);
+
+ return val < 0;
+}
+
+static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ *addr &= ~mask;
+ local_irq_restore(flags);
+}
+
+/* Atomic operations are already serializing on ARM */
+#define smp_mb__before_atomic_dec() barrier()
+#define smp_mb__after_atomic_dec() barrier()
+#define smp_mb__before_atomic_inc() barrier()
+#define smp_mb__after_atomic_inc() barrier()
+
+#endif
+#endif
diff --git a/include/asm-arm/hardware.h b/include/asm-arm/hardware.h
new file mode 100644
index 0000000..1fd1a5b
--- /dev/null
+++ b/include/asm-arm/hardware.h
@@ -0,0 +1,18 @@
+/*
+ * linux/include/asm-arm/hardware.h
+ *
+ * Copyright (C) 1996 Russell King
+ *
+ * This program 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.
+ *
+ * Common hardware definitions
+ */
+
+#ifndef __ASM_HARDWARE_H
+#define __ASM_HARDWARE_H
+
+#include <asm/arch/hardware.h>
+
+#endif
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 122419f..0f38e10 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -20,10 +20,14 @@
#ifndef __ASM_ARM_IO_H
#define __ASM_ARM_IO_H
+#ifdef __KERNEL__
+
#include <linux/types.h>
#include <asm/byteorder.h>
#include <asm/memory.h>
+#if 0 /* XXX###XXX */
#include <asm/arch/hardware.h>
+#endif /* XXX###XXX */
/*
* Generic virtual read/write. Note that we don't support half-word
@@ -68,7 +72,9 @@
/*
* Now, pick up the machine-defined IO definitions
*/
+#if 0 /* XXX###XXX */
#include <asm/arch/io.h>
+#endif /* XXX###XXX */
/*
* IO port access primitives
@@ -252,10 +258,6 @@
#define isa_eth_io_copy_and_sum(a,b,c,d) \
eth_copy_and_sum((a),__mem_isa(b),(c),(d))
-#ifndef PCI_MEMORY_VADDR /* XXX problem not understood -- wd */
-#define PCI_MEMORY_VADDR 0
-#endif /* XXX */
-
static inline int
isa_check_signature(unsigned long io_addr, const unsigned char *signature,
int length)
@@ -291,5 +293,5 @@
#define isa_check_signature(io,sig,len) (0)
#endif /* __mem_isa */
-
+#endif /* __KERNEL__ */
#endif /* __ASM_ARM_IO_H */
diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h
new file mode 100644
index 0000000..c3b2afd
--- /dev/null
+++ b/include/asm-arm/memory.h
@@ -0,0 +1,137 @@
+/*
+ * linux/include/asm-arm/memory.h
+ *
+ * Copyright (C) 2000-2002 Russell King
+ *
+ * This program 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.
+ *
+ * Note: this file should not be included by non-asm/.h files
+ */
+#ifndef __ASM_ARM_MEMORY_H
+#define __ASM_ARM_MEMORY_H
+
+#if 0 /* XXX###XXX */
+
+#include <linux/config.h>
+#include <asm/arch/memory.h>
+
+/*
+ * PFNs are used to describe any physical page; this means
+ * PFN 0 == physical address 0.
+ *
+ * This is the PFN of the first RAM page in the kernel
+ * direct-mapped view. We assume this is the first page
+ * of RAM in the mem_map as well.
+ */
+#define PHYS_PFN_OFFSET (PHYS_OFFSET >> PAGE_SHIFT)
+
+/*
+ * These are *only* valid on the kernel direct mapped RAM memory.
+ */
+static inline unsigned long virt_to_phys(void *x)
+{
+ return __virt_to_phys((unsigned long)(x));
+}
+
+static inline void *phys_to_virt(unsigned long x)
+{
+ return (void *)(__phys_to_virt((unsigned long)(x)));
+}
+
+#define __pa(x) __virt_to_phys((unsigned long)(x))
+#define __va(x) ((void *)__phys_to_virt((unsigned long)(x)))
+
+/*
+ * Virtual <-> DMA view memory address translations
+ * Again, these are *only* valid on the kernel direct mapped RAM
+ * memory. Use of these is *depreciated*.
+ */
+#define virt_to_bus(x) (__virt_to_bus((unsigned long)(x)))
+#define bus_to_virt(x) ((void *)(__bus_to_virt((unsigned long)(x))))
+
+/*
+ * Conversion between a struct page and a physical address.
+ *
+ * Note: when converting an unknown physical address to a
+ * struct page, the resulting pointer must be validated
+ * using VALID_PAGE(). It must return an invalid struct page
+ * for any physical address not corresponding to a system
+ * RAM address.
+ *
+ * page_to_pfn(page) convert a struct page * to a PFN number
+ * pfn_to_page(pfn) convert a _valid_ PFN number to struct page *
+ * pfn_valid(pfn) indicates whether a PFN number is valid
+ *
+ * virt_to_page(k) convert a _valid_ virtual address to struct page *
+ * virt_addr_valid(k) indicates whether a virtual address is valid
+ */
+#ifndef CONFIG_DISCONTIGMEM
+
+#define page_to_pfn(page) (((page) - mem_map) + PHYS_PFN_OFFSET)
+#define pfn_to_page(pfn) ((mem_map + (pfn)) - PHYS_PFN_OFFSET)
+#define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr))
+
+#define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
+#define virt_addr_valid(kaddr) ((kaddr) >= PAGE_OFFSET && (kaddr) < (unsigned long)high_memory)
+
+#define PHYS_TO_NID(addr) (0)
+
+#define VALID_PAGE(page) ((page - mem_map) < max_mapnr)
+
+#else
+
+/*
+ * This is more complex. We have a set of mem_map arrays spread
+ * around in memory.
+ */
+#define page_to_pfn(page) \
+ (((page) - page_zone(page)->zone_mem_map) \
+ + (page_zone(page)->zone_start_paddr >> PAGE_SHIFT))
+
+#define pfn_to_page(pfn) \
+ (PFN_TO_MAPBASE(pfn) + LOCAL_MAP_NR((pfn) << PAGE_SHIFT))
+
+#define pfn_valid(pfn) \
+ ({ \
+ unsigned int node = PFN_TO_NID(pfn); \
+ struct pglist_data *nd = NODE_DATA(node); \
+ ((node < NR_NODES) && \
+ ((pfn - (nd->node_start_paddr >> PAGE_SHIFT)) < nd->node_size));\
+ })
+
+#define virt_to_page(kaddr) \
+ (ADDR_TO_MAPBASE(kaddr) + LOCAL_MAP_NR(kaddr))
+
+#define virt_addr_valid(kaddr) (KVADDR_TO_NID(kaddr) < NR_NODES)
+
+/*
+ * Common discontigmem stuff.
+ * PHYS_TO_NID is used by the ARM kernel/setup.c
+ */
+#define PHYS_TO_NID(addr) PFN_TO_NID((addr) >> PAGE_SHIFT)
+
+/*
+ * 2.4 compatibility
+ *
+ * VALID_PAGE returns a non-zero value if given page pointer is valid.
+ * This assumes all node's mem_maps are stored within the node they
+ * refer to. This is actually inherently buggy.
+ */
+#define VALID_PAGE(page) \
+({ unsigned int node = KVADDR_TO_NID(page); \
+ ((node < NR_NODES) && \
+ ((unsigned)((page) - NODE_MEM_MAP(node)) < NODE_DATA(node)->node_size)); \
+})
+
+#endif
+
+/*
+ * We should really eliminate virt_to_bus() here - it's depreciated.
+ */
+#define page_to_bus(page) (virt_to_bus(page_address(page)))
+
+#endif /* XXX###XXX */
+
+#endif /* __ASM_ARM_MEMORY_H */
diff --git a/include/asm-arm/proc-armv/domain.h b/include/asm-arm/proc-armv/domain.h
new file mode 100644
index 0000000..aadc831
--- /dev/null
+++ b/include/asm-arm/proc-armv/domain.h
@@ -0,0 +1,50 @@
+/*
+ * linux/include/asm-arm/proc-armv/domain.h
+ *
+ * Copyright (C) 1999 Russell King.
+ *
+ * This program 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.
+ */
+#ifndef __ASM_PROC_DOMAIN_H
+#define __ASM_PROC_DOMAIN_H
+
+/*
+ * Domain numbers
+ *
+ * DOMAIN_IO - domain 2 includes all IO only
+ * DOMAIN_KERNEL - domain 1 includes all kernel memory only
+ * DOMAIN_USER - domain 0 includes all user memory only
+ */
+#define DOMAIN_USER 0
+#define DOMAIN_KERNEL 1
+#define DOMAIN_TABLE 1
+#define DOMAIN_IO 2
+
+/*
+ * Domain types
+ */
+#define DOMAIN_NOACCESS 0
+#define DOMAIN_CLIENT 1
+#define DOMAIN_MANAGER 3
+
+#define domain_val(dom,type) ((type) << 2*(dom))
+
+#define set_domain(x) \
+ do { \
+ __asm__ __volatile__( \
+ "mcr p15, 0, %0, c3, c0 @ set domain" \
+ : : "r" (x)); \
+ } while (0)
+
+#define modify_domain(dom,type) \
+ do { \
+ unsigned int domain = current->thread.domain; \
+ domain &= ~domain_val(dom, DOMAIN_MANAGER); \
+ domain |= domain_val(dom, type); \
+ current->thread.domain = domain; \
+ set_domain(current->thread.domain); \
+ } while (0)
+
+#endif
diff --git a/include/asm-arm/proc-armv/processor.h b/include/asm-arm/proc-armv/processor.h
new file mode 100644
index 0000000..5bfab7f
--- /dev/null
+++ b/include/asm-arm/proc-armv/processor.h
@@ -0,0 +1,74 @@
+/*
+ * linux/include/asm-arm/proc-armv/processor.h
+ *
+ * Copyright (C) 1996-1999 Russell King.
+ *
+ * This program 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.
+ *
+ * Changelog:
+ * 20-09-1996 RMK Created
+ * 26-09-1996 RMK Added 'EXTRA_THREAD_STRUCT*'
+ * 28-09-1996 RMK Moved start_thread into the processor dependencies
+ * 09-09-1998 PJB Delete redundant `wp_works_ok'
+ * 30-05-1999 PJB Save sl across context switches
+ * 31-07-1999 RMK Added 'domain' stuff
+ */
+#ifndef __ASM_PROC_PROCESSOR_H
+#define __ASM_PROC_PROCESSOR_H
+
+#include <asm/proc/domain.h>
+
+#define KERNEL_STACK_SIZE PAGE_SIZE
+
+struct context_save_struct {
+ unsigned long cpsr;
+ unsigned long r4;
+ unsigned long r5;
+ unsigned long r6;
+ unsigned long r7;
+ unsigned long r8;
+ unsigned long r9;
+ unsigned long sl;
+ unsigned long fp;
+ unsigned long pc;
+};
+
+#define INIT_CSS (struct context_save_struct){ SVC_MODE, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+
+#define EXTRA_THREAD_STRUCT \
+ unsigned int domain;
+
+#define EXTRA_THREAD_STRUCT_INIT \
+ domain: domain_val(DOMAIN_USER, DOMAIN_CLIENT) | \
+ domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \
+ domain_val(DOMAIN_IO, DOMAIN_CLIENT)
+
+#define start_thread(regs,pc,sp) \
+({ \
+ unsigned long *stack = (unsigned long *)sp; \
+ set_fs(USER_DS); \
+ memzero(regs->uregs, sizeof(regs->uregs)); \
+ if (current->personality & ADDR_LIMIT_32BIT) \
+ regs->ARM_cpsr = USR_MODE; \
+ else \
+ regs->ARM_cpsr = USR26_MODE; \
+ regs->ARM_pc = pc; /* pc */ \
+ regs->ARM_sp = sp; /* sp */ \
+ regs->ARM_r2 = stack[2]; /* r2 (envp) */ \
+ regs->ARM_r1 = stack[1]; /* r1 (argv) */ \
+ regs->ARM_r0 = stack[0]; /* r0 (argc) */ \
+})
+
+#define KSTK_EIP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1019])
+#define KSTK_ESP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1017])
+
+/* Allocation and freeing of basic task resources. */
+/*
+ * NOTE! The task struct and the stack go together
+ */
+#define ll_alloc_task_struct() ((struct task_struct *) __get_free_pages(GFP_KERNEL,1))
+#define ll_free_task_struct(p) free_pages((unsigned long)(p),1)
+
+#endif
diff --git a/include/asm-arm/proc-armv/ptrace.h b/include/asm-arm/proc-armv/ptrace.h
index b32edfc..51708b9 100644
--- a/include/asm-arm/proc-armv/ptrace.h
+++ b/include/asm-arm/proc-armv/ptrace.h
@@ -61,8 +61,6 @@
#define ARM_r0 uregs[0]
#define ARM_ORIG_r0 uregs[17]
-#define instruction_pointer(regs) ((regs)->ARM_ip)
-
#ifdef __KERNEL__
#define user_mode(regs) \
diff --git a/include/asm-arm/proc-armv/system.h b/include/asm-arm/proc-armv/system.h
new file mode 100644
index 0000000..479f553
--- /dev/null
+++ b/include/asm-arm/proc-armv/system.h
@@ -0,0 +1,199 @@
+/*
+ * linux/include/asm-arm/proc-armv/system.h
+ *
+ * Copyright (C) 1996 Russell King
+ *
+ * This program 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.
+ */
+#ifndef __ASM_PROC_SYSTEM_H
+#define __ASM_PROC_SYSTEM_H
+
+#include <linux/config.h>
+
+#define set_cr(x) \
+ __asm__ __volatile__( \
+ "mcr p15, 0, %0, c1, c0 @ set CR" \
+ : : "r" (x))
+
+#define CR_M (1 << 0) /* MMU enable */
+#define CR_A (1 << 1) /* Alignment abort enable */
+#define CR_C (1 << 2) /* Dcache enable */
+#define CR_W (1 << 3) /* Write buffer enable */
+#define CR_P (1 << 4) /* 32-bit exception handler */
+#define CR_D (1 << 5) /* 32-bit data address range */
+#define CR_L (1 << 6) /* Implementation defined */
+#define CD_B (1 << 7) /* Big endian */
+#define CR_S (1 << 8) /* System MMU protection */
+#define CD_R (1 << 9) /* ROM MMU protection */
+#define CR_F (1 << 10) /* Implementation defined */
+#define CR_Z (1 << 11) /* Implementation defined */
+#define CR_I (1 << 12) /* Icache enable */
+#define CR_V (1 << 13) /* Vectors relocated to 0xffff0000 */
+#define CR_RR (1 << 14) /* Round Robin cache replacement */
+
+extern unsigned long cr_no_alignment; /* defined in entry-armv.S */
+extern unsigned long cr_alignment; /* defined in entry-armv.S */
+
+#if __LINUX_ARM_ARCH__ >= 4
+#define vectors_base() ((cr_alignment & CR_V) ? 0xffff0000 : 0)
+#else
+#define vectors_base() (0)
+#endif
+
+/*
+ * Save the current interrupt enable state & disable IRQs
+ */
+#define local_irq_save(x) \
+ ({ \
+ unsigned long temp; \
+ __asm__ __volatile__( \
+ "mrs %0, cpsr @ local_irq_save\n" \
+" orr %1, %0, #128\n" \
+" msr cpsr_c, %1" \
+ : "=r" (x), "=r" (temp) \
+ : \
+ : "memory"); \
+ })
+
+/*
+ * Enable IRQs
+ */
+#define local_irq_enable() \
+ ({ \
+ unsigned long temp; \
+ __asm__ __volatile__( \
+ "mrs %0, cpsr @ local_irq_enable\n" \
+" bic %0, %0, #128\n" \
+" msr cpsr_c, %0" \
+ : "=r" (temp) \
+ : \
+ : "memory"); \
+ })
+
+/*
+ * Disable IRQs
+ */
+#define local_irq_disable() \
+ ({ \
+ unsigned long temp; \
+ __asm__ __volatile__( \
+ "mrs %0, cpsr @ local_irq_disable\n" \
+" orr %0, %0, #128\n" \
+" msr cpsr_c, %0" \
+ : "=r" (temp) \
+ : \
+ : "memory"); \
+ })
+
+/*
+ * Enable FIQs
+ */
+#define __stf() \
+ ({ \
+ unsigned long temp; \
+ __asm__ __volatile__( \
+ "mrs %0, cpsr @ stf\n" \
+" bic %0, %0, #64\n" \
+" msr cpsr_c, %0" \
+ : "=r" (temp) \
+ : \
+ : "memory"); \
+ })
+
+/*
+ * Disable FIQs
+ */
+#define __clf() \
+ ({ \
+ unsigned long temp; \
+ __asm__ __volatile__( \
+ "mrs %0, cpsr @ clf\n" \
+" orr %0, %0, #64\n" \
+" msr cpsr_c, %0" \
+ : "=r" (temp) \
+ : \
+ : "memory"); \
+ })
+
+/*
+ * Save the current interrupt enable state.
+ */
+#define local_save_flags(x) \
+ ({ \
+ __asm__ __volatile__( \
+ "mrs %0, cpsr @ local_save_flags\n" \
+ : "=r" (x) \
+ : \
+ : "memory"); \
+ })
+
+/*
+ * restore saved IRQ & FIQ state
+ */
+#define local_irq_restore(x) \
+ __asm__ __volatile__( \
+ "msr cpsr_c, %0 @ local_irq_restore\n" \
+ : \
+ : "r" (x) \
+ : "memory")
+
+#if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110)
+/*
+ * On the StrongARM, "swp" is terminally broken since it bypasses the
+ * cache totally. This means that the cache becomes inconsistent, and,
+ * since we use normal loads/stores as well, this is really bad.
+ * Typically, this causes oopsen in filp_close, but could have other,
+ * more disasterous effects. There are two work-arounds:
+ * 1. Disable interrupts and emulate the atomic swap
+ * 2. Clean the cache, perform atomic swap, flush the cache
+ *
+ * We choose (1) since its the "easiest" to achieve here and is not
+ * dependent on the processor type.
+ */
+#define swp_is_buggy
+#endif
+
+static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
+{
+ extern void __bad_xchg(volatile void *, int);
+ unsigned long ret;
+#ifdef swp_is_buggy
+ unsigned long flags;
+#endif
+
+ switch (size) {
+#ifdef swp_is_buggy
+ case 1:
+ local_irq_save(flags);
+ ret = *(volatile unsigned char *)ptr;
+ *(volatile unsigned char *)ptr = x;
+ local_irq_restore(flags);
+ break;
+
+ case 4:
+ local_irq_save(flags);
+ ret = *(volatile unsigned long *)ptr;
+ *(volatile unsigned long *)ptr = x;
+ local_irq_restore(flags);
+ break;
+#else
+ case 1: __asm__ __volatile__ ("swpb %0, %1, [%2]"
+ : "=&r" (ret)
+ : "r" (x), "r" (ptr)
+ : "memory");
+ break;
+ case 4: __asm__ __volatile__ ("swp %0, %1, [%2]"
+ : "=&r" (ret)
+ : "r" (x), "r" (ptr)
+ : "memory");
+ break;
+#endif
+ default: __bad_xchg(ptr, size), ret = 0;
+ }
+
+ return ret;
+}
+
+#endif
diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h
new file mode 100644
index 0000000..445d449
--- /dev/null
+++ b/include/asm-arm/processor.h
@@ -0,0 +1,134 @@
+/*
+ * linux/include/asm-arm/processor.h
+ *
+ * Copyright (C) 1995-2002 Russell King
+ *
+ * This program 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.
+ */
+
+#ifndef __ASM_ARM_PROCESSOR_H
+#define __ASM_ARM_PROCESSOR_H
+
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+#define current_text_addr() ({ __label__ _l; _l: &&_l;})
+
+#define FP_SIZE 35
+
+struct fp_hard_struct {
+ unsigned int save[FP_SIZE]; /* as yet undefined */
+};
+
+struct fp_soft_struct {
+ unsigned int save[FP_SIZE]; /* undefined information */
+};
+
+union fp_state {
+ struct fp_hard_struct hard;
+ struct fp_soft_struct soft;
+};
+
+typedef unsigned long mm_segment_t; /* domain register */
+
+#ifdef __KERNEL__
+
+#define EISA_bus 0
+#define MCA_bus 0
+#define MCA_bus__is_a_macro
+
+#include <asm/atomic.h>
+#include <asm/ptrace.h>
+#if 0 /* XXX###XXX */
+#include <asm/arch/memory.h>
+#endif /* XXX###XXX */
+#include <asm/proc/processor.h>
+#include <asm/types.h>
+
+union debug_insn {
+ u32 arm;
+ u16 thumb;
+};
+
+struct debug_entry {
+ u32 address;
+ union debug_insn insn;
+};
+
+struct debug_info {
+ int nsaved;
+ struct debug_entry bp[2];
+};
+
+struct thread_struct {
+ atomic_t refcount;
+ /* fault info */
+ unsigned long address;
+ unsigned long trap_no;
+ unsigned long error_code;
+ /* floating point */
+ union fp_state fpstate;
+ /* debugging */
+ struct debug_info debug;
+ /* context info */
+ struct context_save_struct *save;
+ EXTRA_THREAD_STRUCT
+};
+
+#define INIT_THREAD { \
+ refcount: ATOMIC_INIT(1), \
+ EXTRA_THREAD_STRUCT_INIT \
+}
+
+/*
+ * Return saved PC of a blocked thread.
+ */
+static inline unsigned long thread_saved_pc(struct thread_struct *t)
+{
+ return t->save ? pc_pointer(t->save->pc) : 0;
+}
+
+static inline unsigned long thread_saved_fp(struct thread_struct *t)
+{
+ return t->save ? t->save->fp : 0;
+}
+
+/* Forward declaration, a strange C thing */
+struct task_struct;
+
+/* Free all resources held by a thread. */
+extern void release_thread(struct task_struct *);
+
+/* Copy and release all segment info associated with a VM */
+#define copy_segments(tsk, mm) do { } while (0)
+#define release_segments(mm) do { } while (0)
+
+unsigned long get_wchan(struct task_struct *p);
+
+#define THREAD_SIZE (8192)
+
+extern struct task_struct *alloc_task_struct(void);
+extern void __free_task_struct(struct task_struct *);
+#define get_task_struct(p) atomic_inc(&(p)->thread.refcount)
+#define free_task_struct(p) \
+ do { \
+ if (atomic_dec_and_test(&(p)->thread.refcount)) \
+ __free_task_struct((p)); \
+ } while (0)
+
+#define init_task (init_task_union.task)
+#define init_stack (init_task_union.stack)
+
+#define cpu_relax() barrier()
+
+/*
+ * Create a new kernel thread
+ */
+extern int arch_kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
+
+#endif
+
+#endif /* __ASM_ARM_PROCESSOR_H */
diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h
new file mode 100644
index 0000000..0e4482b
--- /dev/null
+++ b/include/asm-arm/ptrace.h
@@ -0,0 +1,34 @@
+#ifndef __ASM_ARM_PTRACE_H
+#define __ASM_ARM_PTRACE_H
+
+#define PTRACE_GETREGS 12
+#define PTRACE_SETREGS 13
+#define PTRACE_GETFPREGS 14
+#define PTRACE_SETFPREGS 15
+
+#define PTRACE_SETOPTIONS 21
+
+/* options set using PTRACE_SETOPTIONS */
+#define PTRACE_O_TRACESYSGOOD 0x00000001
+
+#include <asm/proc/ptrace.h>
+
+#ifndef __ASSEMBLY__
+#define pc_pointer(v) \
+ ((v) & ~PCMASK)
+
+#define instruction_pointer(regs) \
+ (pc_pointer((regs)->ARM_pc))
+
+#ifdef __KERNEL__
+extern void show_regs(struct pt_regs *);
+
+#define predicate(x) (x & 0xf0000000)
+#define PREDICATE_ALWAYS 0xe0000000
+
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif
+
diff --git a/include/asm-arm/setup.h b/include/asm-arm/setup.h
new file mode 100644
index 0000000..c20b448
--- /dev/null
+++ b/include/asm-arm/setup.h
@@ -0,0 +1,270 @@
+/*
+ * linux/include/asm/setup.h
+ *
+ * Copyright (C) 1997-1999 Russell King
+ *
+ * This program 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.
+ *
+ * Structure passed to kernel to tell it about the
+ * hardware it's running on. See linux/Documentation/arm/Setup
+ * for more info.
+ *
+ * NOTE:
+ * This file contains two ways to pass information from the boot
+ * loader to the kernel. The old struct param_struct is deprecated,
+ * but it will be kept in the kernel for 5 years from now
+ * (2001). This will allow boot loaders to convert to the new struct
+ * tag way.
+ */
+#ifndef __ASMARM_SETUP_H
+#define __ASMARM_SETUP_H
+
+/*
+ * Usage:
+ * - do not go blindly adding fields, add them at the end
+ * - when adding fields, don't rely on the address until
+ * a patch from me has been released
+ * - unused fields should be zero (for future expansion)
+ * - this structure is relatively short-lived - only
+ * guaranteed to contain useful data in setup_arch()
+ */
+#define COMMAND_LINE_SIZE 1024
+
+/* This is the old deprecated way to pass parameters to the kernel */
+struct param_struct {
+ union {
+ struct {
+ unsigned long page_size; /* 0 */
+ unsigned long nr_pages; /* 4 */
+ unsigned long ramdisk_size; /* 8 */
+ unsigned long flags; /* 12 */
+#define FLAG_READONLY 1
+#define FLAG_RDLOAD 4
+#define FLAG_RDPROMPT 8
+ unsigned long rootdev; /* 16 */
+ unsigned long video_num_cols; /* 20 */
+ unsigned long video_num_rows; /* 24 */
+ unsigned long video_x; /* 28 */
+ unsigned long video_y; /* 32 */
+ unsigned long memc_control_reg; /* 36 */
+ unsigned char sounddefault; /* 40 */
+ unsigned char adfsdrives; /* 41 */
+ unsigned char bytes_per_char_h; /* 42 */
+ unsigned char bytes_per_char_v; /* 43 */
+ unsigned long pages_in_bank[4]; /* 44 */
+ unsigned long pages_in_vram; /* 60 */
+ unsigned long initrd_start; /* 64 */
+ unsigned long initrd_size; /* 68 */
+ unsigned long rd_start; /* 72 */
+ unsigned long system_rev; /* 76 */
+ unsigned long system_serial_low; /* 80 */
+ unsigned long system_serial_high; /* 84 */
+ unsigned long mem_fclk_21285; /* 88 */
+ } s;
+ char unused[256];
+ } u1;
+ union {
+ char paths[8][128];
+ struct {
+ unsigned long magic;
+ char n[1024 - sizeof(unsigned long)];
+ } s;
+ } u2;
+ char commandline[COMMAND_LINE_SIZE];
+};
+
+
+
+/*
+ * The new way of passing information: a list of tagged entries
+ */
+
+/* The list ends with an ATAG_NONE node. */
+#define ATAG_NONE 0x00000000
+
+struct tag_header {
+ u32 size;
+ u32 tag;
+};
+
+/* The list must start with an ATAG_CORE node */
+#define ATAG_CORE 0x54410001
+
+struct tag_core {
+ u32 flags; /* bit 0 = read-only */
+ u32 pagesize;
+ u32 rootdev;
+};
+
+/* it is allowed to have multiple ATAG_MEM nodes */
+#define ATAG_MEM 0x54410002
+
+struct tag_mem32 {
+ u32 size;
+ u32 start; /* physical start address */
+};
+
+/* VGA text type displays */
+#define ATAG_VIDEOTEXT 0x54410003
+
+struct tag_videotext {
+ u8 x;
+ u8 y;
+ u16 video_page;
+ u8 video_mode;
+ u8 video_cols;
+ u16 video_ega_bx;
+ u8 video_lines;
+ u8 video_isvga;
+ u16 video_points;
+};
+
+/* describes how the ramdisk will be used in kernel */
+#define ATAG_RAMDISK 0x54410004
+
+struct tag_ramdisk {
+ u32 flags; /* bit 0 = load, bit 1 = prompt */
+ u32 size; /* decompressed ramdisk size in _kilo_ bytes */
+ u32 start; /* starting block of floppy-based RAM disk image */
+};
+
+/* describes where the compressed ramdisk image lives (virtual address) */
+/*
+ * this one accidentally used virtual addresses - as such,
+ * its depreciated.
+ */
+#define ATAG_INITRD 0x54410005
+
+/* describes where the compressed ramdisk image lives (physical address) */
+#define ATAG_INITRD2 0x54420005
+
+struct tag_initrd {
+ u32 start; /* physical start address */
+ u32 size; /* size of compressed ramdisk image in bytes */
+};
+
+/* board serial number. "64 bits should be enough for everybody" */
+#define ATAG_SERIAL 0x54410006
+
+struct tag_serialnr {
+ u32 low;
+ u32 high;
+};
+
+/* board revision */
+#define ATAG_REVISION 0x54410007
+
+struct tag_revision {
+ u32 rev;
+};
+
+/* initial values for vesafb-type framebuffers. see struct screen_info
+ * in include/linux/tty.h
+ */
+#define ATAG_VIDEOLFB 0x54410008
+
+struct tag_videolfb {
+ u16 lfb_width;
+ u16 lfb_height;
+ u16 lfb_depth;
+ u16 lfb_linelength;
+ u32 lfb_base;
+ u32 lfb_size;
+ u8 red_size;
+ u8 red_pos;
+ u8 green_size;
+ u8 green_pos;
+ u8 blue_size;
+ u8 blue_pos;
+ u8 rsvd_size;
+ u8 rsvd_pos;
+};
+
+/* command line: \0 terminated string */
+#define ATAG_CMDLINE 0x54410009
+
+struct tag_cmdline {
+ char cmdline[1]; /* this is the minimum size */
+};
+
+/* acorn RiscPC specific information */
+#define ATAG_ACORN 0x41000101
+
+struct tag_acorn {
+ u32 memc_control_reg;
+ u32 vram_pages;
+ u8 sounddefault;
+ u8 adfsdrives;
+};
+
+/* footbridge memory clock, see arch/arm/mach-footbridge/arch.c */
+#define ATAG_MEMCLK 0x41000402
+
+struct tag_memclk {
+ u32 fmemclk;
+};
+
+struct tag {
+ struct tag_header hdr;
+ union {
+ struct tag_core core;
+ struct tag_mem32 mem;
+ struct tag_videotext videotext;
+ struct tag_ramdisk ramdisk;
+ struct tag_initrd initrd;
+ struct tag_serialnr serialnr;
+ struct tag_revision revision;
+ struct tag_videolfb videolfb;
+ struct tag_cmdline cmdline;
+
+ /*
+ * Acorn specific
+ */
+ struct tag_acorn acorn;
+
+ /*
+ * DC21285 specific
+ */
+ struct tag_memclk memclk;
+ } u;
+};
+
+struct tagtable {
+ u32 tag;
+ int (*parse)(const struct tag *);
+};
+
+#define __tag __attribute__((unused, __section__(".taglist")))
+#define __tagtable(tag, fn) \
+static struct tagtable __tagtable_##fn __tag = { tag, fn }
+
+#define tag_member_present(tag,member) \
+ ((unsigned long)(&((struct tag *)0L)->member + 1) \
+ <= (tag)->hdr.size * 4)
+
+#define tag_next(t) ((struct tag *)((u32 *)(t) + (t)->hdr.size))
+#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2)
+
+#define for_each_tag(t,base) \
+ for (t = base; t->hdr.size; t = tag_next(t))
+
+/*
+ * Memory map description
+ */
+#define NR_BANKS 8
+
+struct meminfo {
+ int nr_banks;
+ unsigned long end;
+ struct {
+ unsigned long start;
+ unsigned long size;
+ int node;
+ } bank[NR_BANKS];
+};
+
+extern struct meminfo meminfo;
+
+#endif
diff --git a/include/asm-arm/sizes.h b/include/asm-arm/sizes.h
new file mode 100644
index 0000000..f8d92ca
--- /dev/null
+++ b/include/asm-arm/sizes.h
@@ -0,0 +1,52 @@
+/*
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * 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
+ */
+/* DO NOT EDIT!! - this file automatically generated
+ * from .s file by awk -f s2h.awk
+ */
+/* Size defintions
+ * Copyright (C) ARM Limited 1998. All rights reserved.
+ */
+
+#ifndef __sizes_h
+#define __sizes_h 1
+
+/* handy sizes */
+#define SZ_1K 0x00000400
+#define SZ_4K 0x00001000
+#define SZ_8K 0x00002000
+#define SZ_16K 0x00004000
+#define SZ_64K 0x00010000
+#define SZ_128K 0x00020000
+#define SZ_256K 0x00040000
+#define SZ_512K 0x00080000
+
+#define SZ_1M 0x00100000
+#define SZ_2M 0x00200000
+#define SZ_4M 0x00400000
+#define SZ_8M 0x00800000
+#define SZ_16M 0x01000000
+#define SZ_32M 0x02000000
+#define SZ_64M 0x04000000
+#define SZ_128M 0x08000000
+#define SZ_256M 0x10000000
+#define SZ_512M 0x20000000
+
+#define SZ_1G 0x40000000
+#define SZ_2G 0x80000000
+
+#endif
+
+/* END */