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132 bytes added ,  21:21, 6 September 2023
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=Interrupt info=
 
=Interrupt info=
 
The Interrupt info structure is located at sharedmemvadr + process_gsp_index*0x40.
 
The Interrupt info structure is located at sharedmemvadr + process_gsp_index*0x40.
  −
It's a list of interrupts.
      
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
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|-
 
|-
 
| 0x0
 
| 0x0
| Index of the last processed data (must be updated manually)
+
| Offset from the count where to save incoming interrupts
 
|-
 
|-
 
| 0x1
 
| 0x1
| Count (max 0x1F for PDC, 0x33 for others)
+
| Count (max 0x20 for PDC, 0x34 for others)
 
|-
 
|-
 
| 0x2
 
| 0x2
| Missed other interrupts (set to 1 when 0 and count > 0x33)
+
| Missed other interrupts (set to 1 when 0 and count >= 0x34)
 
|-
 
|-
 
| 0x3
 
| 0x3
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|-
 
|-
 
| 0x4-0x7
 
| 0x4-0x7
| Missed PDC0 (incremented when flags.bit0 is clear and count > 0x1F)  
+
| Missed PDC0 (incremented when flags.bit0 is clear and count >= 0x20)  
 
|-
 
|-
 
| 0x8-0xB
 
| 0x8-0xB
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| Interrupt list (u8) (0=PSC0, 1=PSC1, 2=PDC0/VBlankTop, 3=PDC1/VBlankBottom, 4=PPF, 5=P3D, 6=DMA)
 
| Interrupt list (u8) (0=PSC0, 1=PSC1, 2=PDC0/VBlankTop, 3=PDC1/VBlankBottom, 4=PPF, 5=P3D, 6=DMA)
 
|}
 
|}
 +
 +
GSP fills the interrupt list, then triggers the event set with [[GSPGPU:RegisterInterruptRelayQueue|RegisterInterruptRelayQueue]] for the specified process(es).
    
PDC interrupts are sent to all processes; other interrupts are only sent to the process with GPU rights.
 
PDC interrupts are sent to all processes; other interrupts are only sent to the process with GPU rights.
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