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comparison cos/kernel/asmcode.asm @ 32:3a6a9b929db0

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Added initial ramdisk and some virtual file system functions
author windel
date Fri, 13 Jan 2012 18:18:17 +0100
parents 88590c42320f
children d8185ddb6c7b
comparison
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31:88590c42320f 32:3a6a9b929db0
1 ; The default interrupt handlers. 1 ; The default interrupt handlers.
2 ; from 20 - 31 are reserved vectors. 2 ; from 20 - 31 are reserved vectors.
3 ; below are the custom ones! 3 ; below are the custom ones!
4
5 ; Calling convention AMD64 ABI:
6 ; parameters in: rdi, rsi, rdx, rcx ....
4 7
5 section .text 8 section .text
6 align 4 9 align 4
7 10
8 ; Function to read the current instruction pointer value: 11 ; Function to read the current instruction pointer value:
15 loadIDT: 18 loadIDT:
16 extern idtP 19 extern idtP
17 ; TODO: make this pointer thing more insightfull: 20 ; TODO: make this pointer thing more insightfull:
18 lidt [idtP] 21 lidt [idtP]
19 ret 22 ret
23
24 global setCR3
25 setCR3:
26 mov cr3, rdi ; Load cr3
27 ret
20 28
21 ; ISR related assembler wrappers: 29 ; ISR related assembler wrappers:
22 30
23 %macro ISR_NOERRCODE 1 31 %macro ISR_NOERRCODE 1
24 global INT%1 32 global INT%1