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[kernel] Move pml4 create/delete into vm_space

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vm_space and page_table continue to take over duties from
page_manager:

- creation and deletion of address spaces / pml4s
- cross-address-space copies for endpoints
- taking over pml4 ownership from process

Also fixed the bug where the wrong process was being set in the cpu
data.

To solve: now the kernel process has its own vm_space which is not
g_kernel_space.
This commit is contained in:
Justin C. Miller
2020-09-18 01:22:49 -07:00
parent ac67111b83
commit 671a0ce0fb
14 changed files with 132 additions and 101 deletions
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2
src/kernel/objects/thread.h
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@@ -15,7 +15,7 @@ struct TCB
uintptr_t rsp;
uintptr_t rsp0;
uintptr_t rsp3;
page_table *pml4;
uintptr_t pml4;
uint8_t priority;
// note: 3 bytes padding