lfn
serial
ticket/834-toolchain-update
topic/msim-upgrade
topic/simplify-dev-export
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Last change
on this file since ccb426c was 421c833, checked in by Martin Decky <martin@…>, 17 years ago |
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parse VESA mode from a string
unify VESA initialization for ia32 and amd64
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-
Property mode
set to
100644
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File size:
481 bytes
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| 1 | .code32
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| 2 | vesa_init_protected:
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| 3 | movw $gdtselector(KDATA_DES), %cx
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| 4 | movw %cx, %es
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| 5 | movw %cx, %ds # kernel data + stack
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| 6 | movw %cx, %ss
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| 7 |
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| 8 | #
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| 9 | # Simics seems to remove hidden part of GS on entering user mode
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| 10 | # when _visible_ part of GS does not point to user-mode segment.
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| 11 | #
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| 12 |
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| 13 | movw $gdtselector(UDATA_DES), %cx
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| 14 | movw %cx, %fs
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| 15 | movw %cx, %gs
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| 16 |
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| 17 | movl $START_STACK, %esp # initialize stack pointer
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| 18 |
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| 19 | jmpl $gdtselector(KTEXT32_DES), $vesa_meeting_point
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