-#ifndef __ALPHA_SYSTEM_H
-#define __ALPHA_SYSTEM_H
-
-#include <asm/pal.h>
-#include <asm/page.h>
+/* FILE TO BE DELETED. DO NOT ADD STUFF HERE! */
#include <asm/barrier.h>
-
-/*
- * System defines.. Note that this is included both from .c and .S
- * files, so it does only defines, not any C code.
- */
-
-/*
- * We leave one page for the initial stack page, and one page for
- * the initial process structure. Also, the console eats 3 MB for
- * the initial bootloader (one of which we can reclaim later).
- */
-#define BOOT_PCB 0x20000000
-#define BOOT_ADDR 0x20000000
-/* Remove when official MILO sources have ELF support: */
-#define BOOT_SIZE (16*1024)
-
-#ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS
-#define KERNEL_START_PHYS 0x300000 /* Old bootloaders hardcoded this. */
-#else
-#define KERNEL_START_PHYS 0x1000000 /* required: Wildfire/Titan/Marvel */
-#endif
-
-#define KERNEL_START (PAGE_OFFSET+KERNEL_START_PHYS)
-#define SWAPPER_PGD KERNEL_START
-#define INIT_STACK (PAGE_OFFSET+KERNEL_START_PHYS+0x02000)
-#define EMPTY_PGT (PAGE_OFFSET+KERNEL_START_PHYS+0x04000)
-#define EMPTY_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x08000)
-#define ZERO_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x0A000)
-
-#define START_ADDR (PAGE_OFFSET+KERNEL_START_PHYS+0x10000)
-
-/*
- * This is setup by the secondary bootstrap loader. Because
- * the zero page is zeroed out as soon as the vm system is
- * initialized, we need to copy things out into a more permanent
- * place.
- */
-#define PARAM ZERO_PGE
-#define COMMAND_LINE ((char*)(PARAM + 0x0000))
-#define INITRD_START (*(unsigned long *) (PARAM+0x100))
-#define INITRD_SIZE (*(unsigned long *) (PARAM+0x108))
-
-#ifndef __ASSEMBLY__
-#include <linux/kernel.h>
-#define AT_VECTOR_SIZE_ARCH 4 /* entries in ARCH_DLINFO */
-
-/*
- * This is the logout header that should be common to all platforms
- * (assuming they are running OSF/1 PALcode, I guess).
- */
-struct el_common {
- unsigned int size; /* size in bytes of logout area */
- unsigned int sbz1 : 30; /* should be zero */
- unsigned int err2 : 1; /* second error */
- unsigned int retry : 1; /* retry flag */
- unsigned int proc_offset; /* processor-specific offset */
- unsigned int sys_offset; /* system-specific offset */
- unsigned int code; /* machine check code */
- unsigned int frame_rev; /* frame revision */
-};
-
-/* Machine Check Frame for uncorrectable errors (Large format)
- * --- This is used to log uncorrectable errors such as
- * double bit ECC errors.
- * --- These errors are detected by both processor and systems.
- */
-struct el_common_EV5_uncorrectable_mcheck {
- unsigned long shadow[8]; /* Shadow reg. 8-14, 25 */
- unsigned long paltemp[24]; /* PAL TEMP REGS. */
- unsigned long exc_addr; /* Address of excepting instruction*/
- unsigned long exc_sum; /* Summary of arithmetic traps. */
- unsigned long exc_mask; /* Exception mask (from exc_sum). */
- unsigned long pal_base; /* Base address for PALcode. */
- unsigned long isr; /* Interrupt Status Reg. */
- unsigned long icsr; /* CURRENT SETUP OF EV5 IBOX */
- unsigned long ic_perr_stat; /* I-CACHE Reg. <11> set Data parity
- <12> set TAG parity*/
- unsigned long dc_perr_stat; /* D-CACHE error Reg. Bits set to 1:
- <2> Data error in bank 0
- <3> Data error in bank 1
- <4> Tag error in bank 0
- <5> Tag error in bank 1 */
- unsigned long va; /* Effective VA of fault or miss. */
- unsigned long mm_stat; /* Holds the reason for D-stream
- fault or D-cache parity errors */
- unsigned long sc_addr; /* Address that was being accessed
- when EV5 detected Secondary cache
- failure. */
- unsigned long sc_stat; /* Helps determine if the error was
- TAG/Data parity(Secondary Cache)*/
- unsigned long bc_tag_addr; /* Contents of EV5 BC_TAG_ADDR */
- unsigned long ei_addr; /* Physical address of any transfer
- that is logged in EV5 EI_STAT */
- unsigned long fill_syndrome; /* For correcting ECC errors. */
- unsigned long ei_stat; /* Helps identify reason of any
- processor uncorrectable error
- at its external interface. */
- unsigned long ld_lock; /* Contents of EV5 LD_LOCK register*/
-};
-
-struct el_common_EV6_mcheck {
- unsigned int FrameSize; /* Bytes, including this field */
- unsigned int FrameFlags; /* <31> = Retry, <30> = Second Error */
- unsigned int CpuOffset; /* Offset to CPU-specific info */
- unsigned int SystemOffset; /* Offset to system-specific info */
- unsigned int MCHK_Code;
- unsigned int MCHK_Frame_Rev;
- unsigned long I_STAT; /* EV6 Internal Processor Registers */
- unsigned long DC_STAT; /* (See the 21264 Spec) */
- unsigned long C_ADDR;
- unsigned long DC1_SYNDROME;
- unsigned long DC0_SYNDROME;
- unsigned long C_STAT;
- unsigned long C_STS;
- unsigned long MM_STAT;
- unsigned long EXC_ADDR;
- unsigned long IER_CM;
- unsigned long ISUM;
- unsigned long RESERVED0;
- unsigned long PAL_BASE;
- unsigned long I_CTL;
- unsigned long PCTX;
-};
-
-extern void halt(void) __attribute__((noreturn));
-#define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt))
-
-#define switch_to(P,N,L) \
- do { \
- (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \
- check_mmu_context(); \
- } while (0)
-
-struct task_struct;
-extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*);
-
-#define imb() \
-__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")
-
-#define draina() \
-__asm__ __volatile__ ("call_pal %0 #draina" : : "i" (PAL_draina) : "memory")
-
-enum implver_enum {
- IMPLVER_EV4,
- IMPLVER_EV5,
- IMPLVER_EV6
-};
-
-#ifdef CONFIG_ALPHA_GENERIC
-#define implver() \
-({ unsigned long __implver; \
- __asm__ ("implver %0" : "=r"(__implver)); \
- (enum implver_enum) __implver; })
-#else
-/* Try to eliminate some dead code. */
-#ifdef CONFIG_ALPHA_EV4
-#define implver() IMPLVER_EV4
-#endif
-#ifdef CONFIG_ALPHA_EV5
-#define implver() IMPLVER_EV5
-#endif
-#if defined(CONFIG_ALPHA_EV6)
-#define implver() IMPLVER_EV6
-#endif
-#endif
-
-enum amask_enum {
- AMASK_BWX = (1UL << 0),
- AMASK_FIX = (1UL << 1),
- AMASK_CIX = (1UL << 2),
- AMASK_MAX = (1UL << 8),
- AMASK_PRECISE_TRAP = (1UL << 9),
-};
-
-#define amask(mask) \
-({ unsigned long __amask, __input = (mask); \
- __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input)); \
- __amask; })
-
-#define __CALL_PAL_R0(NAME, TYPE) \
-extern inline TYPE NAME(void) \
-{ \
- register TYPE __r0 __asm__("$0"); \
- __asm__ __volatile__( \
- "call_pal %1 # " #NAME \
- :"=r" (__r0) \
- :"i" (PAL_ ## NAME) \
- :"$1", "$16", "$22", "$23", "$24", "$25"); \
- return __r0; \
-}
-
-#define __CALL_PAL_W1(NAME, TYPE0) \
-extern inline void NAME(TYPE0 arg0) \
-{ \
- register TYPE0 __r16 __asm__("$16") = arg0; \
- __asm__ __volatile__( \
- "call_pal %1 # "#NAME \
- : "=r"(__r16) \
- : "i"(PAL_ ## NAME), "0"(__r16) \
- : "$1", "$22", "$23", "$24", "$25"); \
-}
-
-#define __CALL_PAL_W2(NAME, TYPE0, TYPE1) \
-extern inline void NAME(TYPE0 arg0, TYPE1 arg1) \
-{ \
- register TYPE0 __r16 __asm__("$16") = arg0; \
- register TYPE1 __r17 __asm__("$17") = arg1; \
- __asm__ __volatile__( \
- "call_pal %2 # "#NAME \
- : "=r"(__r16), "=r"(__r17) \
- : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \
- : "$1", "$22", "$23", "$24", "$25"); \
-}
-
-#define __CALL_PAL_RW1(NAME, RTYPE, TYPE0) \
-extern inline RTYPE NAME(TYPE0 arg0) \
-{ \
- register RTYPE __r0 __asm__("$0"); \
- register TYPE0 __r16 __asm__("$16") = arg0; \
- __asm__ __volatile__( \
- "call_pal %2 # "#NAME \
- : "=r"(__r16), "=r"(__r0) \
- : "i"(PAL_ ## NAME), "0"(__r16) \
- : "$1", "$22", "$23", "$24", "$25"); \
- return __r0; \
-}
-
-#define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1) \
-extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1) \
-{ \
- register RTYPE __r0 __asm__("$0"); \
- register TYPE0 __r16 __asm__("$16") = arg0; \
- register TYPE1 __r17 __asm__("$17") = arg1; \
- __asm__ __volatile__( \
- "call_pal %3 # "#NAME \
- : "=r"(__r16), "=r"(__r17), "=r"(__r0) \
- : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \
- : "$1", "$22", "$23", "$24", "$25"); \
- return __r0; \
-}
-
-__CALL_PAL_W1(cflush, unsigned long);
-__CALL_PAL_R0(rdmces, unsigned long);
-__CALL_PAL_R0(rdps, unsigned long);
-__CALL_PAL_R0(rdusp, unsigned long);
-__CALL_PAL_RW1(swpipl, unsigned long, unsigned long);
-__CALL_PAL_R0(whami, unsigned long);
-__CALL_PAL_W2(wrent, void*, unsigned long);
-__CALL_PAL_W1(wripir, unsigned long);
-__CALL_PAL_W1(wrkgp, unsigned long);
-__CALL_PAL_W1(wrmces, unsigned long);
-__CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long);
-__CALL_PAL_W1(wrusp, unsigned long);
-__CALL_PAL_W1(wrvptptr, unsigned long);
-
-/*
- * TB routines..
- */
-#define __tbi(nr,arg,arg1...) \
-({ \
- register unsigned long __r16 __asm__("$16") = (nr); \
- register unsigned long __r17 __asm__("$17"); arg; \
- __asm__ __volatile__( \
- "call_pal %3 #__tbi" \
- :"=r" (__r16),"=r" (__r17) \
- :"0" (__r16),"i" (PAL_tbi) ,##arg1 \
- :"$0", "$1", "$22", "$23", "$24", "$25"); \
-})
-
-#define tbi(x,y) __tbi(x,__r17=(y),"1" (__r17))
-#define tbisi(x) __tbi(1,__r17=(x),"1" (__r17))
-#define tbisd(x) __tbi(2,__r17=(x),"1" (__r17))
-#define tbis(x) __tbi(3,__r17=(x),"1" (__r17))
-#define tbiap() __tbi(-1, /* no second argument */)
-#define tbia() __tbi(-2, /* no second argument */)
-
-/*
- * Atomic exchange routines.
- */
-
-#define __ASM__MB
-#define ____xchg(type, args...) __xchg ## type ## _local(args)
-#define ____cmpxchg(type, args...) __cmpxchg ## type ## _local(args)
-#include <asm/xchg.h>
-
-#define xchg_local(ptr,x) \
- ({ \
- __typeof__(*(ptr)) _x_ = (x); \
- (__typeof__(*(ptr))) __xchg_local((ptr), (unsigned long)_x_, \
- sizeof(*(ptr))); \
- })
-
-#define cmpxchg_local(ptr, o, n) \
- ({ \
- __typeof__(*(ptr)) _o_ = (o); \
- __typeof__(*(ptr)) _n_ = (n); \
- (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \
- (unsigned long)_n_, \
- sizeof(*(ptr))); \
- })
-
-#define cmpxchg64_local(ptr, o, n) \
- ({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- cmpxchg_local((ptr), (o), (n)); \
- })
-
-#ifdef CONFIG_SMP
-#undef __ASM__MB
-#define __ASM__MB "\tmb\n"
-#endif
-#undef ____xchg
-#undef ____cmpxchg
-#define ____xchg(type, args...) __xchg ##type(args)
-#define ____cmpxchg(type, args...) __cmpxchg ##type(args)
-#include <asm/xchg.h>
-
-#define xchg(ptr,x) \
- ({ \
- __typeof__(*(ptr)) _x_ = (x); \
- (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, \
- sizeof(*(ptr))); \
- })
-
-#define cmpxchg(ptr, o, n) \
- ({ \
- __typeof__(*(ptr)) _o_ = (o); \
- __typeof__(*(ptr)) _n_ = (n); \
- (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
- (unsigned long)_n_, sizeof(*(ptr)));\
- })
-
-#define cmpxchg64(ptr, o, n) \
- ({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- cmpxchg((ptr), (o), (n)); \
- })
-
-#undef __ASM__MB
-#undef ____cmpxchg
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-#endif /* __ASSEMBLY__ */
-
-#define arch_align_stack(x) (x)
-
-#endif
+#include <asm/exec.h>
+#include <asm/special_insns.h>
+#include <asm/switch_to.h>
git.samba.org / sfrench / cifs-2.6.git / blobdiff