diff options
Diffstat (limited to 'sys/contrib/dev/acpica/acfreebsd.h')
-rw-r--r-- | sys/contrib/dev/acpica/acfreebsd.h | 172 |
1 files changed, 164 insertions, 8 deletions
diff --git a/sys/contrib/dev/acpica/acfreebsd.h b/sys/contrib/dev/acpica/acfreebsd.h index 43cf611..334af1c 100644 --- a/sys/contrib/dev/acpica/acfreebsd.h +++ b/sys/contrib/dev/acpica/acfreebsd.h @@ -136,20 +136,165 @@ #include <sys/libkern.h> #include <machine/stdarg.h> -#define asm __asm -#define __cli() disable_intr() -#define __sti() enable_intr() -#ifdef __i386__ -#define ACPI_FLUSH_CPU_CACHE() wbinvd() -#else +#ifdef __ia64__ +#define _IA64 + +/* + * Calling conventions: + * + * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) + * ACPI_EXTERNAL_XFACE - External ACPI interfaces + * ACPI_INTERNAL_XFACE - Internal ACPI interfaces + * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces + */ +#define ACPI_SYSTEM_XFACE +#define ACPI_EXTERNAL_XFACE +#define ACPI_INTERNAL_XFACE +#define ACPI_INTERNAL_VAR_XFACE + +/* Asm macros */ + +#define ACPI_ASM_MACROS +#define BREAKPOINT3 +#define ACPI_DISABLE_IRQS() disable_intr() +#define ACPI_ENABLE_IRQS() enable_intr() + #define ACPI_FLUSH_CPU_CACHE() /* XXX ia64_fc()? */ -#endif -#ifdef ACPI_DEBUG +/*! [Begin] no source code translation */ + +#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ + do { \ + __asm__ volatile ("1: ld4 r29=%1\n" \ + ";;\n" \ + "mov ar.ccv=r29\n" \ + "mov r2=r29\n" \ + "shr.u r30=r29,1\n" \ + "and r29=-4,r29\n" \ + ";;\n" \ + "add r29=2,r29\n" \ + "and r30=1,r30\n" \ + ";;\n" \ + "add r29=r29,r30\n" \ + ";;\n" \ + "cmpxchg4.acq r30=%1,r29,ar.ccv\n" \ + ";;\n" \ + "cmp.eq p6,p7=r2,r30\n" \ + "(p7) br.dpnt.few 1b\n" \ + "cmp.gt p8,p9=3,r29\n" \ + ";;\n" \ + "(p8) mov %0=-1\n" \ + "(p9) mov %0=r0\n" \ + :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \ + } while (0) + +#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \ + do { \ + __asm__ volatile ("1: ld4 r29=%1\n" \ + ";;\n" \ + "mov ar.ccv=r29\n" \ + "mov r2=r29\n" \ + "and r29=-4,r29\n" \ + ";;\n" \ + "cmpxchg4.acq r30=%1,r29,ar.ccv\n" \ + ";;\n" \ + "cmp.eq p6,p7=r2,r30\n" \ + "(p7) br.dpnt.few 1b\n" \ + "and %0=1,r2\n" \ + ";;\n" \ + :"=r"(Acq):"m"(GLptr):"r2","r29","r30","memory"); \ + } while (0) +/*! [End] no source code translation !*/ + + +#else /* DO IA32 */ + +/* + * Calling conventions: + * + * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) + * ACPI_EXTERNAL_XFACE - External ACPI interfaces + * ACPI_INTERNAL_XFACE - Internal ACPI interfaces + * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces + */ +#define ACPI_SYSTEM_XFACE +#define ACPI_EXTERNAL_XFACE +#define ACPI_INTERNAL_XFACE +#define ACPI_INTERNAL_VAR_XFACE + +/* Asm macros */ + +#define ACPI_ASM_MACROS +#define BREAKPOINT3 +#define ACPI_DISABLE_IRQS() disable_intr() +#define ACPI_ENABLE_IRQS() enable_intr() + +#define ACPI_FLUSH_CPU_CACHE() wbinvd() + +#define asm __asm +/*! [Begin] no source code translation + * + * A brief explanation as GNU inline assembly is a bit hairy + * %0 is the output parameter in EAX ("=a") + * %1 and %2 are the input parameters in ECX ("c") + * and an immediate value ("i") respectively + * All actual register references are preceded with "%%" as in "%%edx" + * Immediate values in the assembly are preceded by "$" as in "$0x1" + * The final asm parameter are the operation altered non-output registers. + */ +#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ + do { \ + int dummy; \ + asm("1: movl (%1),%%eax;" \ + "movl %%eax,%%edx;" \ + "andl %2,%%edx;" \ + "btsl $0x1,%%edx;" \ + "adcl $0x0,%%edx;" \ + "lock; cmpxchgl %%edx,(%1);" \ + "jnz 1b;" \ + "cmpb $0x3,%%dl;" \ + "sbbl %%eax,%%eax" \ + :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~1L):"dx"); \ + } while(0) + +#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \ + do { \ + int dummy; \ + asm("1: movl (%1),%%eax;" \ + "movl %%eax,%%edx;" \ + "andl %2,%%edx;" \ + "lock; cmpxchgl %%edx,(%1);" \ + "jnz 1b;" \ + "andl $0x1,%%eax" \ + :"=a"(Acq),"=c"(dummy):"c"(GLptr),"i"(~3L):"dx"); \ + } while(0) + + +/* + * Math helper asm macros + */ +#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ + asm("divl %2;" \ + :"=a"(q32), "=d"(r32) \ + :"r"(d32), \ + "0"(n_lo), "1"(n_hi)) + + +#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ + asm("shrl $1,%2;" \ + "rcrl $1,%3;" \ + :"=r"(n_hi), "=r"(n_lo) \ + :"0"(n_hi), "1"(n_lo)) + +/*! [End] no source code translation !*/ + +#endif /* IA 32 */ + #ifdef DEBUGGER_THREADING #undef DEBUGGER_THREADING #endif /* DEBUGGER_THREADING */ #define DEBUGGER_THREADING 0 /* integrated with DDB */ +#ifdef ACPI_DEBUG #include "opt_ddb.h" #ifdef DDB #define ENABLE_DEBUGGER @@ -204,4 +349,15 @@ strstr(char *s, char *find) } #endif /* _KERNEL */ +#if defined(__ia64__) || defined(__x86_64__) +#define ACPI_MACHINE_WIDTH 64 +#define COMPILER_DEPENDENT_INT64 long +#define COMPILER_DEPENDENT_UINT64 unsigned long +#else +#define ACPI_MACHINE_WIDTH 32 +#define COMPILER_DEPENDENT_INT64 long long +#define COMPILER_DEPENDENT_UINT64 unsigned long long +#define ACPI_USE_NATIVE_DIVIDE +#endif + #endif /* __ACFREEBSD_H__ */ |