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[kernel] Save ring3 rflags in cpu_data, not just stack

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So that kernel code can modify user rflags, save it in the CPU state
data, and save that off to the TCB when switching tasks.
This commit is contained in:
Justin C. Miller
2021-12-23 16:46:47 -08:00
parent c23a1bfabb
commit f250a33e9b
5 changed files with 14 additions and 2 deletions
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2
src/kernel/tasking.inc
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@@ -2,6 +2,7 @@ struc TCB
.rsp: resq 1
.rsp0: resq 1
.rsp3: resq 1
.rflags3: resq 1
.pml4: resq 1
endstruc
@@ -12,6 +13,7 @@ struc CPU_DATA
.reserved resd 1
.rsp0: resq 1
.rsp3: resq 1
.rflags3: resq 1
.tcb: resq 1
.thread: resq 1
.process: resq 1