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[arch][x86] flatten x86-64 and x86 into a single tree of code

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Major refactor of x86 code into a single arch.
Also bump both 32 and 64 bit to running the kernel at a 'high' address.
This commit is contained in:
Travis Geiselbrecht
2016-02-24 18:59:31 -08:00
parent ed00e10b9d
commit ee672a5471
66 changed files with 2117 additions and 3058 deletions
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6
arch/x86/descriptor.c
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@@ -55,9 +55,9 @@ void set_global_desc(seg_sel_t sel, void *base, uint32_t limit,
_gdt[index].limit_15_0 = limit & 0x0000ffff;
_gdt[index].limit_19_16 = (limit & 0x000f0000) >> 16;
_gdt[index].base_15_0 = ((uint32_t) base) & 0x0000ffff;
_gdt[index].base_23_16 = (((uint32_t) base) & 0x00ff0000) >> 16;
_gdt[index].base_31_24 = ((uint32_t) base) >> 24;
_gdt[index].base_15_0 = ((uintptr_t) base) & 0x0000ffff;
_gdt[index].base_23_16 = (((uintptr_t) base) & 0x00ff0000) >> 16;
_gdt[index].base_31_24 = ((uintptr_t) base) >> 24;
_gdt[index].type = type & 0x0f; // segment type
_gdt[index].p = present != 0; // present