diff options
Diffstat (limited to 'sys/osb/miiupk32.x')
| -rw-r--r-- | sys/osb/miiupk32.x | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sys/osb/miiupk32.x b/sys/osb/miiupk32.x new file mode 100644 index 00000000..183805f7 --- /dev/null +++ b/sys/osb/miiupk32.x @@ -0,0 +1,50 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include <mach.h> + +# MIIUPK32 -- Unpack a 32 bit signed MII array into an SPP array of the +# indicated datatype. + +procedure miiupk32 (mii, spp, nelems, spp_datatype) + +int mii[ARB] #I input MII format array +int spp[ARB] #O output SPP format array +int nelems #I number of integers to be converted +int spp_datatype #I SPP datatype code + +int mii_bytes +int spp_bytes +int sizeof() + +begin + mii_bytes = 32 / NBITS_BYTE + spp_bytes = sizeof(spp_datatype) * SZB_CHAR + + if ( mii_bytes == spp_bytes ) { + if (BYTE_SWAP4 == YES) { + call bswap4 (mii, 1, spp, 1, nelems * (mii_bytes)) + call achtl (spp, spp, nelems, spp_datatype) + } else if (BYTE_SWAP2 == YES) { + call bswap2 (mii, 1, spp, 1, nelems * (mii_bytes)) + call achtl (spp, spp, nelems, spp_datatype) + } else + call achtl (mii, spp, nelems, spp_datatype) + + } else if ( 2 * mii_bytes == spp_bytes ) { + call i32to64 (mii, spp, nelems) # for 64bit integer + if (BYTE_SWAP8 == YES) { + call bswap8 (spp, 1, spp, 1, nelems * (spp_bytes)) + call achtl (spp, spp, nelems, spp_datatype) + } else if (BYTE_SWAP4 == YES) { + call bswap4 (spp, 1, spp, 1, nelems * (spp_bytes)) + call achtl (spp, spp, nelems, spp_datatype) + } else if (BYTE_SWAP2 == YES) { + call bswap2 (spp, 1, spp, 1, nelems * (spp_bytes)) + call achtl (spp, spp, nelems, spp_datatype) + } else + call achtl (spp, spp, nelems, spp_datatype) + + } else { + call eprintf("[ERROR] miiupk32.x: unexpected integer size\n") + } +end |