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Table
Mnemonic | Operation and description |
rdirql | Read the current IRQL from the PSR |
| The rdirql instruction returns the contents of the interrupt request level (IRQL) |
| field of the PSR internal processor register. |
rdksp | Read initial kernel stack pointer for the current thread |
| The rdksp instruction returns the contents of the IKSP (initial kernel stack |
| pointer) internal processor register for the currently executing thread. |
rdmces | Read the machine check error summary register |
| The rdmces instruction returns the contents of the machine check error sum- |
| mary (MCES) internal processor register. |
rdpcr | Read the processor control region base address |
| The rdpcr instruction returns the contents of the PCR internal processor register |
| (the base address value of the processor control region). |
rdpsr | Read the current processor status register (PSR) |
| The rdpsr instruction returns the contents of the current PSR (Processor Status |
| Register) internal processor register. |
rdstate | Read the current internal processor state |
| The rdstate instruction returns the internal processor state to an internal buffer. |
rdthread | Read the thread value for the current thread |
| The rdthread instruction returns the contents of the THREAD internal proces- |
| sor register (the value of the currently executing thread). |
reboot | Transfer to console firmware |
| The reboot instruction stops the operating system from executing and returns |
| execution to the boot environment. Reboot is responsible for completing the |
| ARC restart block before returning to the boot environment. |
restart | Restart the operating system from the restart block |
| The restart instruction restores saved processor state and resumes execution of |
| the operating system. |
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