NPDM: Difference between revisions
| Line 184: | Line 184: | ||
|- | |- | ||
| <code>0bxxxxxxxxxxxx0111</code> | | <code>0bxxxxxxxxxxxx0111</code> | ||
| | | Bit3 | ||
| | | KernelFlags | ||
| Bit31-24: Highest allowed cpu id, bit23-16: Lowest allowed cpu id, bit15-10: Highest allowed thread prio, bit9-4: Lowest allowed thread prio | | Bit31-24: Highest allowed cpu id, bit23-16: Lowest allowed cpu id, bit15-10: Highest allowed thread prio, bit9-4: Lowest allowed thread prio | ||
|- | |- | ||
| <code>0bxxxxxxxxxxx01111</code> | | <code>0bxxxxxxxxxxx01111</code> | ||
| | | Bit4 | ||
| | | SyscallMask | ||
| Bits 29-31: Syscall mask table index; Bits 5-28: Mask | | Bits 29-31: Syscall mask table index; Bits 5-28: Mask | ||
|- | |- | ||
| <code>0bxxxxxxxxx0111111</code> | | <code>0bxxxxxxxxx0111111</code> | ||
| | | Bit6 | ||
| | | MapIoOrNormalRange | ||
| Bits 7- | | Bits 7-30: Alternating start page and number of pages, bit31: Alternating read-only flag then MemoryAttribute 0x2001/0x42002 selector flag | ||
|- | |- | ||
| <code>0bxxxxxxxx01111111</code> | | <code>0bxxxxxxxx01111111</code> | ||
| | | Bit7 | ||
| | | MapNormalPage (RW) | ||
| Bits 7- | | Bits 7-31: Page | ||
|- | |- | ||
| <code>0bxxxx011111111111</code> | | <code>0bxxxx011111111111</code> | ||
| | | Bit11 | ||
| Interrupt pair | | Interrupt pair | ||
| Bits 12-21: Irq0, bits 20-31: Irq1, 0x3FF means empty. | | Bits 12-21: Irq0, bits 20-31: Irq1, 0x3FF means empty. | ||
|- | |- | ||
| <code> | | <code>0bx011111111111111</code> | ||
| | | Bit14 | ||
| | | KernelReleaseVersion | ||
| | | Bits 15-X: Version. The raw descriptor is compared with 0x80000, when less than an error is returned. This is equivalent to comparing the bits starting at bit15 with 0x10. This enforces a minimum required version, not a maximum. | ||
|- | |- | ||
| <code> | | <code>0b0111111111111111</code> | ||
| | | Bit15 | ||
| | | HandleTableSize | ||
| | | Bit26-16: Number of handles the table shall fit. | ||
|- | |- | ||
| <code> | | <code>0b1111111111111111</code> | ||
| | | Bit16 | ||
| | | DebugFlags | ||
| | | Bit17: can be debugged, bit18: can debug others | ||
|- | |- | ||
| All ones | | All ones | ||