diff options
Diffstat (limited to 'libgloss/hp74x/hppa-defs.h')
| -rw-r--r-- | libgloss/hp74x/hppa-defs.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/libgloss/hp74x/hppa-defs.h b/libgloss/hp74x/hppa-defs.h new file mode 100644 index 000000000..5bbaeef35 --- /dev/null +++ b/libgloss/hp74x/hppa-defs.h @@ -0,0 +1,123 @@ +/* + * PDC support + */ +#define OPT_PDC_CACHE 5 +#define OPT_PDC_ADD_VALID 12 +#define OPT_PDC_CHASSIS 2 /* LED's */ +#define OPT_PDC_IODC 8 /* console I/O */ +#define IODC_CONSOLE_OUT 3 /* bytes out serial port */ +#define IODC_CONSOLE_IN 2 /* bytes in serial port */ + +#define PGZ_MEM_PDC 0x0388 /* location of PDC_ENTRY in memory */ +#define PGZ_CONSOLE_STRUCT 0x3A0 /* console config info */ +#define CALL_PDC (*(int (*)())((int *)(*((int *)PGZ_MEM_PDC)))) + +#define putDebugChar outbyte +#define getDebugChar inbyte + +/* + * IODC support + */ +#define MAX_BUS_CONVERTERS 6 +#define MAX_LAYERS 6 +#define IO_CONSOLE_INPUT 2 +#define IO_CONSOLE_OUTPUT 3 + +struct _dev { + unsigned char flags; /* auto-search and auto-boot */ + unsigned char bus_convert[MAX_BUS_CONVERTERS]; + unsigned char pm; /* fixed field of HPA */ + unsigned int layer[MAX_LAYERS]; /* device dependent layers */ + unsigned int hpa; /* device HPA */ + unsigned int spa; /* device SPA */ + unsigned int *iodc_io; /* address of ENTRY_IO in mem */ + unsigned int class; /* device class */ +}; + +/* + * Register defintions + */ +#define gr0 %r0 /* always ZERO */ +#define gr1 %r1 /* ADDIL results only */ +#define gr2 %r2 /* return address */ +#define gr3 %r3 /* scratch registers */ +#define gr4 %r4 +#define gr5 %r5 +#define gr6 %r6 +#define gr7 %r7 +#define gr8 %r8 +#define gr9 %r9 +#define gr10 %r10 +#define gr11 %r11 +#define gr12 %r12 +#define gr13 %r13 +#define gr14 %r14 +#define gr15 %r15 +#define gr16 %r16 +#define gr17 %r17 +#define gr18 %r18 +#define gr19 %r19 /* 4th temp register */ +#define gr20 %r20 /* 3rd temp register */ +#define gr21 %r21 /* 2rd temp register */ +#define gr22 %r22 /* 1rd temp register */ +#define gr23 %r23 /* argument 3 */ +#define gr24 %r24 /* argument 2 */ +#define gr25 %r25 /* argument 1 */ +#define gr26 %r26 /* argument 0 */ +#define gr27 %r27 /* global data pointer */ +#define gr28 %r28 /* return value */ +#define gr29 %r29 /* return value, static link */ +#define gr30 %r30 /* stack pointer */ +#define gr31 %r31 /* millicode return pointer */ + +/* + * extra definitions, calling conventions + */ +#define rp gr2 /* return address */ +#define sp gr30 /* stack pointer */ +#define dp gr27 /* global data area pointer */ + +/* + * extra definitions, argument passing + */ +#define Arg0 gr26 /* pdc function to perform */ +#define Arg1 gr25 /* args to the pdc function */ +#define Arg2 gr24 +#define Arg3 gr23 + +/* + * Special Processor Registers + */ +#define SAR %cr11 /* shift amount register */ +#define IVA %cr14 /* Interruption Vector Address */ +#define EIEM %cr15 /* EIEM reg */ +#define EIR %cr23 /* EIR reg */ +#define TIMER %cr16 /* interval timer */ +#define CCR %cr10 /* coprocessor control reg. */ + +/* + * ASCII escape code + */ +#define NULL 0x00 /* <break> soft-reset (input only) */ +#define DELP 0x03 /* <ctrl>C del-collapse (input only, non-std) */ +#define DELE 0x04 /* <ctrl>D del-to_eol (input only, non-std) */ +#define BELL 0x07 /* <ctrl>G bell - audio */ +#define BS 0x08 /* <ctrl>H back space (left arrow) */ +#define HT 0x09 /* <ctrl>I horizontal tab */ +#define LF 0x0a /* <ctrl>J line feed (down arrow) */ +#define VT 0x0b /* <ctrl>K vertical tab (up arrow) */ +#define FF 0x0c /* <ctrl>L form feed (right arrow) */ +#define RTN 0x0d /* <ctrl>M carrage return */ +#define CR 0x0d /* <ctrl>M carrage return */ + +#define INSC 0x0e /* <ctrl>N insert char (input only, non-std) */ +#define XON 0x11 /* <ctrl>Q DC1 - continue */ +#define BT 0x12 /* <ctrl>R reverse tab (input only, non-std) */ +#define XOFF 0x13 /* <ctrl>S DC3 - wait */ +#define INSE 0x16 /* <ctrl>V insert-expand (input only, non-std) */ +#define DELC 0x18 /* <ctrl>X delete char (input only, non-std) */ +#define CLRH 0x1a /* <ctrl>Z clear/home (input only) */ +#define ESC 0x1b /* <ctrl>[ escape (must call key again) */ +#define ENDL 0x1c /* <ctrl>\ cursor-to-eol (input only, non-std) */ +#define HOME 0x1e /* <ctrl>^ cursor home (input only) */ +#define DEL 0x7f /* <shift>BS destructive backspace */ |