diff options
Diffstat (limited to 'arch/powerpc/mm/icswx.h')
| -rw-r--r-- | arch/powerpc/mm/icswx.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/mm/icswx.h b/arch/powerpc/mm/icswx.h index 07514e49498e..42176bd0884c 100644 --- a/arch/powerpc/mm/icswx.h +++ b/arch/powerpc/mm/icswx.h @@ -36,4 +36,27 @@ extern void free_cop_pid(int free_pid); #define free_cop_pid(p) #endif +/* + * These are implementation bits for architected registers. If this + * ever becomes architecture the should be moved to reg.h et. al. + */ +/* UCT is the same bit for Server and Embedded */ +#define ICSWX_DSI_UCT 0x00004000 /* Unavailable Coprocessor Type */ + +#ifdef CONFIG_PPC_BOOK3E +/* Embedded implementation gives us no hints as to what the CT is */ +#define ICSWX_GET_CT_HINT(x) (-1) +#else +/* Server implementation contains the CT value in the DSISR */ +#define ICSWX_DSISR_CTMASK 0x00003f00 +#define ICSWX_GET_CT_HINT(x) (((x) & ICSWX_DSISR_CTMASK) >> 8) +#endif + +#define ICSWX_RC_STARTED 0x8 /* The request has been started */ +#define ICSWX_RC_NOT_IDLE 0x4 /* No coprocessor found idle */ +#define ICSWX_RC_NOT_FOUND 0x2 /* No coprocessor found */ +#define ICSWX_RC_UNDEFINED 0x1 /* Reserved */ + +extern int acop_handle_fault(struct pt_regs *regs, unsigned long address, + unsigned long error_code); #endif /* !_ARCH_POWERPC_MM_ICSWX_H_ */ |