MicroBlaze Processor Reference Guide www.xilinx.com 17
UG081 (v6.0) June 1, 2006 1-800-255-7778
Instructions
R
PUT Ra,FSLx 011011 00000 Ra 1000000000000 &
FSLx
FSLx := Ra (blocking data write)
NGET Rd,FSLx 011011 Rd 00000 0100000000000 &
FSLx
Rd := FSLx (non-blocking data read)
MSR[FSL] := 1 if (FSLx_S_Control = 1)
MSR[C] := not FSLx_S_Exists
NPUT Ra,FSLx 011011 00000 Ra 1100000000000 &
FSLx
FSLx := Ra (non-blocking data write)
MSR[C] := FSLx_M_Full
CGET Rd,FSLx 011011 Rd 00000 0010000000000 &
FSLx
Rd := FSLx (blocking control read)
MSR[FSL] := 1 if (FSLx_S_Control = 0)
CPUT Ra,FSLx 011011 00000 Ra 1010000000000 &
FSLx
FSLx := Ra (blocking control write)
NCGET Rd,FSLx 011011 Rd 00000 0110000000000 &
FSLx
Rd := FSLx (non-blocking control read)
MSR[FSL] := 1 if (FSLx_S_Control = 0)
MSR[C] := not FSLx_S_Exists
NCPUT Ra,FSLx 011011 00000 Ra 1110000000000 &
FSLx
FSLx := Ra (non-blocking control write)
MSR[C] := FSLx_M_Full
OR Rd,Ra,Rb 100000 Rd Ra Rb 00000000000 Rd := Ra or Rb
AND Rd,Ra,Rb 100001 Rd Ra Rb 00000000000 Rd := Ra and Rb
XOR Rd,Ra,Rb 100010 Rd Ra Rb 00000000000 Rd := Ra xor Rb
ANDN Rd,Ra,Rb 100011 Rd Ra Rb 00000000000 Rd := Ra and
Rb
PCMPBF Rd,Ra,Rb 100000 Rd Ra Rb 10000000000 Rd := 1 if (Rb[0:7] = Ra[0:7]) else
Rd := 2 if (Rb[8:15] = Ra[8:15]) else
Rd := 3 if (Rb[16:23] = Ra[16:23]) else
Rd := 4 if (Rb[24:31] = Ra[24:31]) else
Rd := 0
PCMPEQ Rd,Ra,Rb 100010 Rd Ra Rb 10000000000 Rd := 1 if (Rd = Ra) else
Rd := 0
PCMPNE Rd,Ra,Rb 100011 Rd Ra Rb 10000000000 Rd := 1 if (Rd != Ra) else
Rd := 0
SRA Rd,Ra 100100 Rd Ra 0000000000000001 Rd := s(Ra >> 1)
C := Ra[31]
SRC Rd,Ra 100100 Rd Ra 0000000000100001 Rd := C & (Ra >> 1)
C := Ra[31]
SRL Rd,Ra 100100 Rd Ra 0000000001000001 Rd := 0 & (Ra >> 1)
C := Ra[31]
SEXT8 Rd,Ra 100100 Rd Ra 0000000001100000 Rd := s(Ra[24:31])
SEXT16 Rd,Ra 100100 Rd Ra 0000000001100001 Rd := s(Ra[16:31])
WIC Ra,Rb 100100 00000 Ra Rb 01101000 ICache_Tag := Ra
WDC Ra,Rb 100100 00000 Ra Rb 01100100 DCache_Tag := Ra
Table 1-6: MicroBlaze Instruction Set Summary (Continued)
Type A 0-5 6-10 11-15 16-20 21-31
Semantics
Type B 0-5 6-10 11-15 16-31