NPDM: Difference between revisions

← Older edit Newer edit →

@@ Line 152: / Line 152: @@
 = Kernel Access Control =
-Like the 3DS, the switch has a number of kernel capability descriptors. Unlike 3ds, where descriptors were identified by pattern 11..10 in high bits, on switch descriptors are identified by pattern 01..11 in low bits.
+On Switch, descriptors are identified by pattern 01..11 in low bits.
 {| class="wikitable" border="1"
 |-
-! Pattern of bits 20-31
+! Pattern of bits 15-0
 ! Type
 ! Fields
 |-
-| <code>0bxxxxxxxx0111?</code>
+| <code>0bxxxxxxxxxxxx0111</code>
-| Interrupt info?
+| Kernel flags
 | ?
 |-
-| <code>0bxxxxxxx01111</code>
+| <code>0bxxxxxxxxxxx01111</code>
-| System call mask
+| Syscall mask
-| Bits 29-31: System call mask table index; Bits 5-28: mask
+| Bits 29-31: Syscall mask table index; Bits 5-28: mask
 |-
-| <code>0bxxxxx0111111?</code>
+| <code>0bxxxxxxxxx0111111</code>
-| Kernel release version?
+| Map IO page
-| ?
+| Bits 7-31: page
-|-
-| <code>0bxxxx01111111?</code>
-| Handle table size?
-| ?
 |-
-| <code>0bxxx011111111?</code>
+| <code>0bxxxxxxxx01111111</code>
-| Kernel flags?
+| Map IO range
-| ?
+| Bits 7-31: page then size alternating
 |-
-| <code>0bx0111111111?</code>
+| <code>0bxxxxx11111111111</code>
-| Map address range?
+| Interrupt pair
-| ?
+| Bits 12-21: irq0, bits 20-31: irq1, 0x3FF means empty.
-|-
-| <code>0b011111111111?</code>
-| Map memory page?
-| ?
 |}