lfn
serial
ticket/834-toolchain-update
topic/msim-upgrade
topic/simplify-dev-export
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Last change
on this file since 1f5c9c96 was 1d3d2cf, checked in by Martin Decky <martin@…>, 15 years ago |
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rename gdtselector to GDT_SELECTOR to make explicit it is a macro
unify how bootstrap_gdtr is defined on amd64 and ia32
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Property mode
set to
100644
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File size:
472 bytes
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| 1 | .code32
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| 2 | vesa_init_protected:
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| 3 | cld
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| 4 |
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| 5 | /* Initialize stack pointer */
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| 6 | movl $START_STACK, %esp
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| 7 |
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| 8 | /* Kernel data + stack */
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| 9 | movw $GDT_SELECTOR(KDATA_DES), %cx
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| 10 | movw %cx, %es
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| 11 | movw %cx, %ds
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| 12 | movw %cx, %ss
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| 13 |
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| 14 | /*
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| 15 | * Simics seems to remove hidden part of GS on entering user mode
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| 16 | * when _visible_ part of GS does not point to user-mode segment.
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| 17 | */
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| 18 |
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| 19 | movw $GDT_SELECTOR(UDATA_DES), %cx
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| 20 | movw %cx, %fs
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| 21 | movw %cx, %gs
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| 22 |
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| 23 | jmpl $GDT_SELECTOR(KTEXT32_DES), $vesa_meeting_point
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