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hw_x86_64: Use mtc relative addressing for master context

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Reto Buerki 2015-02-27 13:26:27 +01:00 committed by Christian Helmuth
parent 080d7d5f8b
commit 472c3b6502
1 changed files with 3 additions and 1 deletions
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4
repos/base-hw/src/core/spec/x86_64/mode_transition.s
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@ -34,6 +34,8 @@
/* mtc virt addresses */ /* mtc virt addresses */
.set MT_BUFFER, _mt_buffer - _mt_begin .set MT_BUFFER, _mt_buffer - _mt_begin
.set MT_MASTER, _mt_master_context_begin - _mt_begin
.macro _isr_entry .macro _isr_entry
.align 4, 0x90 .align 4, 0x90
.endm .endm
@ -131,7 +133,7 @@
mov %rax, MT_BUFFER mov %rax, MT_BUFFER
/* Switch to kernel page tables */ /* Switch to kernel page tables */
mov _mt_master_context_begin+CR3_OFFSET, %rax mov MT_MASTER+CR3_OFFSET, %rax
mov %rax, %cr3 mov %rax, %cr3
/* Save information on interrupt stack frame in client context */ /* Save information on interrupt stack frame in client context */