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修正 map_kernel_space 的初始化问题

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KAAAsS 2022-04-20 00:25:34 +08:00
parent 738430ab50
commit 2240710117
Signed by: KAAAsS
GPG Key ID: D22F53AF662411FE
4 changed files with 8 additions and 8 deletions
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4
lab2/kernel/mm/mm.c
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@ -78,8 +78,8 @@ void map_kernel_space(vaddr_t va, paddr_t pa, size_t len)
// 设置页表
u32 start_entry_idx = GET_L2_INDEX(va);
u32 end_entry_idx = GET_L2_INDEX((va + len));
for (u32 idx = start_entry_idx; idx < end_entry_idx; ++idx) {
table_l2[idx] = (pa + idx * SIZE_2M) | UXN | ACCESSED | INNER_SHARABLE | NORMAL_MEMORY | IS_VALID;
for (u32 idx = start_entry_idx, cnt = 0; idx < end_entry_idx; ++idx) {
table_l2[idx] = (pa + cnt++ * SIZE_2M) | UXN | ACCESSED | INNER_SHARABLE | NORMAL_MEMORY | IS_VALID;
}
// </lab2>

4
lab3/kernel/mm/mm.c
View File

@ -78,8 +78,8 @@ void map_kernel_space(vaddr_t va, paddr_t pa, size_t len)
// 设置页表
u32 start_entry_idx = GET_L2_INDEX(va);
u32 end_entry_idx = GET_L2_INDEX((va + len));
for (u32 idx = start_entry_idx; idx < end_entry_idx; ++idx) {
table_l2[idx] = (pa + idx * SIZE_2M) | UXN | ACCESSED | INNER_SHARABLE | NORMAL_MEMORY | IS_VALID;
for (u32 idx = start_entry_idx, cnt = 0; idx < end_entry_idx; ++idx) {
table_l2[idx] = (pa + cnt++ * SIZE_2M) | UXN | ACCESSED | INNER_SHARABLE | NORMAL_MEMORY | IS_VALID;
}
// </lab2>

4
lab4/kernel/mm/mm.c
View File

@ -78,8 +78,8 @@ void map_kernel_space(vaddr_t va, paddr_t pa, size_t len)
// 设置页表
u32 start_entry_idx = GET_L2_INDEX(va);
u32 end_entry_idx = GET_L2_INDEX((va + len));
for (u32 idx = start_entry_idx; idx < end_entry_idx; ++idx) {
table_l2[idx] = (pa + idx * SIZE_2M) | UXN | ACCESSED | INNER_SHARABLE | NORMAL_MEMORY | IS_VALID;
for (u32 idx = start_entry_idx, cnt = 0; idx < end_entry_idx; ++idx) {
table_l2[idx] = (pa + cnt++ * SIZE_2M) | UXN | ACCESSED | INNER_SHARABLE | NORMAL_MEMORY | IS_VALID;
}
// </lab2>

4
lab5/kernel/mm/mm.c
View File

@ -78,8 +78,8 @@ void map_kernel_space(vaddr_t va, paddr_t pa, size_t len)
// 设置页表
u32 start_entry_idx = GET_L2_INDEX(va);
u32 end_entry_idx = GET_L2_INDEX((va + len));
for (u32 idx = start_entry_idx; idx < end_entry_idx; ++idx) {
table_l2[idx] = (pa + idx * SIZE_2M) | UXN | ACCESSED | INNER_SHARABLE | NORMAL_MEMORY | IS_VALID;
for (u32 idx = start_entry_idx, cnt = 0; idx < end_entry_idx; ++idx) {
table_l2[idx] = (pa + cnt++ * SIZE_2M) | UXN | ACCESSED | INNER_SHARABLE | NORMAL_MEMORY | IS_VALID;
}
// </lab2>