diff options
| author | Steve Murphree <smurph@cvs.openbsd.org> | 1998-12-15 04:45:51 +0000 |
|---|---|---|
| committer | Steve Murphree <smurph@cvs.openbsd.org> | 1998-12-15 04:45:51 +0000 |
| commit | 85093f914b09ca3d7d75beffd1ce64f48d3ec9e9 (patch) | |
| tree | a1dc30ae9d6d954176cc29f65d831c02db39b15d /sys/arch/mvme88k/include/cpu.h | |
| parent | dc6e6fe48f426c4c4dd8265b5d5d8cefbec43484 (diff) | |
Commit for the first real OpenBSD mvme88k kernel.
Diffstat (limited to 'sys/arch/mvme88k/include/cpu.h')
| -rw-r--r-- | sys/arch/mvme88k/include/cpu.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sys/arch/mvme88k/include/cpu.h b/sys/arch/mvme88k/include/cpu.h index 850b29ac35f..7b33d44b803 100644 --- a/sys/arch/mvme88k/include/cpu.h +++ b/sys/arch/mvme88k/include/cpu.h @@ -57,6 +57,7 @@ #include <machine/psl.h> #include <machine/pcb.h> +#include <machine/board.h> /* * definitions of cpu-dependent requirements @@ -86,9 +87,35 @@ extern intstack; #define CLKF_PC(framep) (((struct trapframe *)(framep))->sxip & ~3) #define CLKF_INTR(framep) (((struct trapframe *)(framep))->r[31] > intstack) +/* + * Internal IO space (iiomapsize). + * + * Internal IO space is mapped in the kernel from ``OBIO_START'' to + * ``intiolimit'' (defined in locore.s). Since it is always mapped, + * conversion between physical and kernel virtual addresses is easy. + */ + +#ifdef VIRTMAP +/* This will do non 1:1 phys/virt memory mapping in the future - SPM */ +#define ISIIOVA(va) \ + ((char *)(va) >= intiobase && (char *)(va) < intiolimit) +#define IIOV(pa) ((int)(pa)-(int)iiomapbase+(int)intiobase) +#define IIOP(va) ((int)(va)-(int)intiobase+(int)iiomapbase) +#define IIOPOFF(pa) ((int)(pa)-(int)iiomapbase) + +#else + +#define ISIIOVA(va) 1 +#define ackbarf ((char *)(va) >= OBIO_START && (char *)(va) < (OBIO_START + OBIO_SIZE)) +#define IIOV(pa) ((pa)) +#define IIOP(va) ((va)) +#define IIOPOFF(pa) ((int)(pa)-(int)OBIO_START) +#endif + #define SIR_NET 1 #define SIR_CLOCK 2 +#define setsoftint(x) (ssir |= (x)) #define setsoftnet() (ssir |= SIR_NET) #define setsoftclock() (ssir |= SIR_CLOCK) |