diff options
Diffstat (limited to 'libexec/rbootd/rmp_var.h')
| -rw-r--r-- | libexec/rbootd/rmp_var.h | 98 |
1 files changed, 50 insertions, 48 deletions
diff --git a/libexec/rbootd/rmp_var.h b/libexec/rbootd/rmp_var.h index 7df1e87..c60b6dd 100644 --- a/libexec/rbootd/rmp_var.h +++ b/libexec/rbootd/rmp_var.h @@ -1,3 +1,5 @@ +/* $NetBSD: rmp_var.h,v 1.8 1995/11/14 08:41:44 thorpej Exp $ */ + /* * Copyright (c) 1988, 1992 The University of Utah and the Center * for Software Science (CSS). @@ -38,9 +40,9 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * @(#)rmp_var.h 8.1 (Berkeley) 6/4/93 + * from: @(#)rmp_var.h 8.1 (Berkeley) 6/4/93 * - * Utah $Hdr: rmp_var.h 3.1 92/07/06$ + * from: Utah Hdr: rmp_var.h 3.1 92/07/06 * Author: Jeff Forys, University of Utah CSS */ @@ -100,12 +102,12 @@ sizeof(struct rmp_boot_repl) + s - sizeof(restofpkt)) #define RMPREADSIZE(s) (sizeof(struct hp_hdr) + sizeof(struct hp_llc) + \ sizeof(struct rmp_read_repl) + s - sizeof(restofpkt) \ - - sizeof(u_char)) + - sizeof(u_int8_t)) #define RMPDONESIZE (sizeof(struct hp_hdr) + sizeof(struct hp_llc) + \ sizeof(struct rmp_boot_done)) #define RMPBOOTDATA 255 #define RMPREADDATA (RMPDATALEN - \ - (2*sizeof(u_char)+sizeof(u_short)+sizeof(u_word))) + (2*sizeof(u_int8_t)+sizeof(u_int16_t)+sizeof(u_word))) /* * This protocol defines some field sizes as "rest of ethernet packet". @@ -117,9 +119,9 @@ typedef char restofpkt; /* * Due to the RMP packet layout, we'll run into alignment problems - * on machines that cant access words on half-word boundaries. If - * you know that your machine does not suffer from this problem, - * add it to the hp300 #define below. + * on machines that can't access (or don't, by default, align) words + * on half-word boundaries. If you know that your machine does not suffer + * from this problem, add it to the vax/tahoe/m68k #define below. * * The following macros are used to deal with this problem: * WORDZE(w) Return True if u_word `w' is zero, False otherwise. @@ -127,25 +129,25 @@ typedef char restofpkt; * COPYWORD(w1,w2) Copy u_word `w1' to `w2'. * GETWORD(w,i) Copy u_word `w' into int `i'. * PUTWORD(i,w) Copy int `i' into u_word `w'. - * - * N.B. We do not support little endian alignment-challenged machines. + * + * N.B. Endianness is handled by use of ntohl/htonl */ -#if defined(vax) || defined(tahoe) || defined(hp300) +#if defined(__vax__) || defined(__tahoe__) || defined(__m68k__) -typedef u_int u_word; +typedef u_int32_t u_word; #define WORDZE(w) ((w) == 0) #define ZEROWORD(w) (w) = 0 #define COPYWORD(w1,w2) (w2) = (w1) -#define GETWORD(w, i) (i) = (w) -#define PUTWORD(i, w) (w) = (i) +#define GETWORD(w, i) (i) = ntohl(w) +#define PUTWORD(i, w) (w) = htonl(i) #else -#define _WORD_HIGHPART 0 /* XXX: assume Big Endian for now */ +#define _WORD_HIGHPART 0 #define _WORD_LOWPART 1 -typedef struct _uword { u_short val[2]; } u_word; +typedef struct _uword { u_int16_t val[2]; } u_word; #define WORDZE(w) \ ((w.val[_WORD_HIGHPART] == 0) && (w.val[_WORD_LOWPART] == 0)) @@ -156,10 +158,10 @@ typedef struct _uword { u_short val[2]; } u_word; (w2).val[_WORD_LOWPART] = (w1).val[_WORD_LOWPART]; \ } #define GETWORD(w, i) \ - (i) = (((u_int)(w).val[_WORD_HIGHPART]) << 16) | (w).val[_WORD_LOWPART] + (i) = (((u_int32_t)ntohs((w).val[_WORD_HIGHPART])) << 16) | ntohs((w).val[_WORD_LOWPART]) #define PUTWORD(i, w) \ - { (w).val[_WORD_HIGHPART] = (u_short) (((i) >> 16) & 0xffff); \ - (w).val[_WORD_LOWPART] = (u_short) (i & 0xffff); \ + { (w).val[_WORD_HIGHPART] = htons((u_int16_t) ((i >> 16) & 0xffff)); \ + (w).val[_WORD_LOWPART] = htons((u_int16_t) (i & 0xffff)); \ } #endif @@ -169,53 +171,53 @@ typedef struct _uword { u_short val[2]; } u_word; */ struct rmp_raw { /* generic RMP packet */ - u_char rmp_type; /* packet type */ - u_char rmp_rawdata[RMPDATALEN-1]; + u_int8_t rmp_type; /* packet type */ + u_int8_t rmp_rawdata[RMPDATALEN-1]; }; struct rmp_boot_req { /* boot request */ - u_char rmp_type; /* packet type (RMP_BOOT_REQ) */ - u_char rmp_retcode; /* return code (0) */ - u_word rmp_seqno; /* sequence number (real time clock) */ - u_short rmp_session; /* session id (normally 0) */ - u_short rmp_version; /* protocol version (RMP_VERSION) */ - char rmp_machtype[RMP_MACHLEN]; /* machine type */ - u_char rmp_flnmsize; /* length of rmp_flnm */ + u_int8_t rmp_type; /* packet type (RMP_BOOT_REQ) */ + u_int8_t rmp_retcode; /* return code (0) */ + u_word rmp_seqno; /* sequence number (real time clock) */ + u_int16_t rmp_session; /* session id (normally 0) */ + u_int16_t rmp_version; /* protocol version (RMP_VERSION) */ + char rmp_machtype[RMP_MACHLEN]; /* machine type */ + u_int8_t rmp_flnmsize; /* length of rmp_flnm */ restofpkt rmp_flnm; /* name of file to be read */ }; struct rmp_boot_repl { /* boot reply */ - u_char rmp_type; /* packet type (RMP_BOOT_REPL) */ - u_char rmp_retcode; /* return code (normally 0) */ - u_word rmp_seqno; /* sequence number (from boot req) */ - u_short rmp_session; /* session id (generated) */ - u_short rmp_version; /* protocol version (RMP_VERSION) */ - u_char rmp_flnmsize; /* length of rmp_flnm */ + u_int8_t rmp_type; /* packet type (RMP_BOOT_REPL) */ + u_int8_t rmp_retcode; /* return code (normally 0) */ + u_word rmp_seqno; /* sequence number (from boot req) */ + u_int16_t rmp_session; /* session id (generated) */ + u_int16_t rmp_version; /* protocol version (RMP_VERSION) */ + u_int8_t rmp_flnmsize; /* length of rmp_flnm */ restofpkt rmp_flnm; /* name of file (from boot req) */ }; struct rmp_read_req { /* read request */ - u_char rmp_type; /* packet type (RMP_READ_REQ) */ - u_char rmp_retcode; /* return code (0) */ - u_word rmp_offset; /* file relative byte offset */ - u_short rmp_session; /* session id (from boot repl) */ - u_short rmp_size; /* max no of bytes to send */ + u_int8_t rmp_type; /* packet type (RMP_READ_REQ) */ + u_int8_t rmp_retcode; /* return code (0) */ + u_word rmp_offset; /* file relative byte offset */ + u_int16_t rmp_session; /* session id (from boot repl) */ + u_int16_t rmp_size; /* max no of bytes to send */ }; struct rmp_read_repl { /* read reply */ - u_char rmp_type; /* packet type (RMP_READ_REPL) */ - u_char rmp_retcode; /* return code (normally 0) */ - u_word rmp_offset; /* byte offset (from read req) */ - u_short rmp_session; /* session id (from read req) */ + u_int8_t rmp_type; /* packet type (RMP_READ_REPL) */ + u_int8_t rmp_retcode; /* return code (normally 0) */ + u_word rmp_offset; /* byte offset (from read req) */ + u_int16_t rmp_session; /* session id (from read req) */ restofpkt rmp_data; /* data (max size from read req) */ - u_char rmp_unused; /* padding to 16-bit boundary */ + u_int8_t rmp_unused; /* padding to 16-bit boundary */ }; struct rmp_boot_done { /* boot complete */ - u_char rmp_type; /* packet type (RMP_BOOT_DONE) */ - u_char rmp_retcode; /* return code (0) */ - u_word rmp_unused; /* not used (0) */ - u_short rmp_session; /* session id (from read repl) */ + u_int8_t rmp_type; /* packet type (RMP_BOOT_DONE) */ + u_int8_t rmp_retcode; /* return code (0) */ + u_word rmp_unused; /* not used (0) */ + u_int16_t rmp_session; /* session id (from read repl) */ }; struct rmp_packet { @@ -236,7 +238,7 @@ struct rmp_packet { */ #define r_type rmp_proto.rmp_raw.rmp_type -#define r_data rmp_proto.rmp_raw.rmp_data +#define r_data rmp_proto.rmp_raw.rmp_rawdata #define r_brq rmp_proto.rmp_brq #define r_brpl rmp_proto.rmp_brpl #define r_rrq rmp_proto.rmp_rrq |
