diff options
Diffstat (limited to 'cpu/registers/interrupt-related.txt')
| -rw-r--r-- | cpu/registers/interrupt-related.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/cpu/registers/interrupt-related.txt b/cpu/registers/interrupt-related.txt new file mode 100644 index 0000000..dd4b0b8 --- /dev/null +++ b/cpu/registers/interrupt-related.txt @@ -0,0 +1,17 @@ +OIPH (Old Instruction Pointer [Hardware]) + Used to store the old IP when hardware interrupts occur + +OPRH (Old Privilege Register [Hardware]) + Used to store the old PR when hardware interrupts occur + +OIPE (Old Instruction Pointer [Exception]) + Used to store the old IP when (non-double) exceptions occur + +OPRE (Old Privilege Register [Exception]) + Used to store the old PR when (non-double) exceptions occur + +OIPDE (Old Instriction Pointer [Double Exception]) + Used to store the old IP when double exceptions occur + +OPRDE (Old Privilege Register [Double Exception]) + Used to store the old PR when double exceptions occur |