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| author | Frans Kaashoek <[email protected]> | 2020-08-10 13:05:17 -0400 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-08-10 13:05:17 -0400 |
| commit | c31d35d8031c88b7e1ea8657cc9806dfdd4c3ef9 (patch) | |
| tree | a6c903e1c61c08f4cb87700c320752a737081dcb /kernel/plic.c | |
| parent | 90eb90b5e203299427c3fde8c996a48835fc93cf (diff) | |
| parent | d8fe1773b26758c7c7b8f36724cd822555b33612 (diff) | |
| download | xv6-labs-c31d35d8031c88b7e1ea8657cc9806dfdd4c3ef9.tar.gz xv6-labs-c31d35d8031c88b7e1ea8657cc9806dfdd4c3ef9.tar.bz2 xv6-labs-c31d35d8031c88b7e1ea8657cc9806dfdd4c3ef9.zip | |
Merge branch 'riscv' into riscv
Diffstat (limited to 'kernel/plic.c')
| -rw-r--r-- | kernel/plic.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/kernel/plic.c b/kernel/plic.c index b569492..5acba39 100644 --- a/kernel/plic.c +++ b/kernel/plic.c @@ -28,26 +28,11 @@ plicinithart(void) *(uint32*)PLIC_SPRIORITY(hart) = 0; } -// return a bitmap of which IRQs are waiting -// to be served. -uint64 -plic_pending(void) -{ - uint64 mask; - - //mask = *(uint32*)(PLIC + 0x1000); - //mask |= (uint64)*(uint32*)(PLIC + 0x1004) << 32; - mask = *(uint64*)PLIC_PENDING; - - return mask; -} - // ask the PLIC what interrupt we should serve. int plic_claim(void) { int hart = cpuid(); - //int irq = *(uint32*)(PLIC + 0x201004); int irq = *(uint32*)PLIC_SCLAIM(hart); return irq; } @@ -57,6 +42,5 @@ void plic_complete(int irq) { int hart = cpuid(); - //*(uint32*)(PLIC + 0x201004) = irq; *(uint32*)PLIC_SCLAIM(hart) = irq; } |