Changeset b5e68c8 in mainline for kernel/arch/amd64/src/ddi/ddi.c
- Timestamp:
- 2011-05-12T16:49:44Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- f36787d7
- Parents:
- e80329d6 (diff), 750636a (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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- 1 edited
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TabularUnified kernel/arch/amd64/src/ddi/ddi.c ¶
re80329d6 rb5e68c8 126 126 bitmap_initialize(&iomap, CPU->arch.tss->iomap, 127 127 TSS_IOMAP_SIZE * 8); 128 bitmap_copy(&iomap, &TASK->arch.iomap, TASK->arch.iomap.bits);128 bitmap_copy(&iomap, &TASK->arch.iomap, bits); 129 129 130 /* 131 * Set the trailing bits in the last byte of the map to disable 132 * I/O access. 133 */ 134 bitmap_set_range(&iomap, bits, ALIGN_UP(bits, 8) - bits); 130 135 /* 131 136 * It is safe to set the trailing eight bits because of the 132 137 * extra convenience byte in TSS_IOMAP_SIZE. 133 138 */ 134 bitmap_set_range(&iomap, ALIGN_UP( TASK->arch.iomap.bits, 8), 8);139 bitmap_set_range(&iomap, ALIGN_UP(bits, 8), 8); 135 140 } 136 141 irq_spinlock_unlock(&TASK->lock, false);
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