diff options
Diffstat (limited to 'kernel/plic.c')
| -rw-r--r-- | kernel/plic.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/plic.c b/kernel/plic.c index 4175db9..5c9d96a 100644 --- a/kernel/plic.c +++ b/kernel/plic.c @@ -14,6 +14,13 @@ plicinit(void) // set desired IRQ priorities non-zero (otherwise disabled). *(uint32*)(PLIC + UART0_IRQ*4) = 1; *(uint32*)(PLIC + VIRTIO0_IRQ*4) = 1; + +#ifdef LAB_NET + // PCIE IRQs are 32 to 35 + for(int irq = 1; irq < 0x35; irq++){ + *(uint32*)(PLIC + irq*4) = 1; + } +#endif } void @@ -25,6 +32,11 @@ plicinithart(void) // for the uart and virtio disk. *(uint32*)PLIC_SENABLE(hart) = (1 << UART0_IRQ) | (1 << VIRTIO0_IRQ); +#ifdef LAB_NET + // hack to get at next 32 IRQs for e1000 + *(uint32*)(PLIC_SENABLE(hart)+4) = 0xffffffff; +#endif + // set this hart's S-mode priority threshold to 0. *(uint32*)PLIC_SPRIORITY(hart) = 0; } |