mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1275

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

MPC823 Instruction Set—sc
sc
Assembler Syntax
Definition
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
18
2
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3
service. When control is returned to the program that executed
the system call, the content of the registers depends on the
register conventions used by the program providing the system
service.
The effective address of the instruction following the sc
instruction is placed into SRR0. Bits 0, 5-9, and 16-31 of the
MSR are placed into the corresponding bits of SRR1, and bits 1-
4 and 10-15 of SRR1 are set to undefined values. An sc
exception is generated. The exception alters the MSR. The
exception causes the next instruction to be fetched from offset
0xC00 from the base real address indicated by the new setting
of MSR[IP].
Other registers altered:
sc
System Call
The sc instruction calls the operating system to perform a
POWERPC ARCHITECTURE
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MPC823 REFERENCE MANUAL
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Dependent on the system service
SRR0
SRR1
MSR
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UISA/OEA
5
LEVEL
00000000000000
22
6
23
7
00000
24
8
25
9
SUPERVISOR
LEVEL
10
26
11
27
OPTIONAL
12
28
00000
13
29
MOTOROLA
14
30
1
FORM
SC
15
31
0