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secos's Issues

debug du TP3

Sur ubuntu 20.04 LTS 64 bits, en suivant le readme debug, j'ai eu ce message d'erreur juste après la commande: target remote :1234

warning: Selected architecture i386 is not compatible with reported target architecture i386:x86-64

Probleme avec virtualbox et kvm

Avec virtualbox, lorsque on change config.mk pour avoir kvm comme expliqué dans le tp1, on a ce message au lancement de qemu
20201009_085136

Il faut rajouter cette commande dans le fichier de conf vbox de la vm, dans la section cpu:
<NestedHWVirt enabled=”true”/>

Problème avec l'instruction SLDTL

asm volatile ("sldtl %0"::"m"(aLocation):"memory")

Il semblerait que l'on ne puisse pas appeler SLDT avec le long suffix:

$ make
    AS    ../kernel/core/entry.s
    CC    ../kernel/core/start.c
    CC    ../kernel/core/print.c
    CC    ../kernel/core/uart.c
    CC    ../kernel/core/pic.c
    CC    ../kernel/core/intr.c
    AS    ../kernel/core/idt.s
    CC    ../kernel/core/excp.c
    CC    ../kernel/core/stack.c
    CC    tp.c
tp.c: Assembler messages:
tp.c:14: Error: invalid instruction suffix for `sldt'
make: *** [../utils/rules.mk:43: tp.o] Error 1

J'ai essayé en retirant le suffixe, tout semble fonctionner comme prévu.
En revanche, l'instruction sgdtl fonctionne..

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