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Make bash-2.05b build with minimal changes.

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This is really neat. :^)
This commit is contained in:
Andreas Kling 2018-11-17 00:11:08 +01:00
parent 2cf477a151
commit 9d05f6b7a7
35 changed files with 326 additions and 176 deletions
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30
Kernel/i386.cpp
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@ -10,7 +10,7 @@
//#define PAGE_FAULT_DEBUG
struct DescriptorTablePointer {
WORD size;
word size;
void* address;
} PACKED;
@ -23,7 +23,7 @@ static IRQHandler** s_irqHandler;
static Vector<word, KmallocEternalAllocator>* s_gdt_freelist;
static WORD s_gdtLength;
static word s_gdtLength;
word gdt_alloc_entry()
{
@ -262,7 +262,7 @@ void exception_14_handler(RegisterDumpWithExceptionCode& regs)
static void _exception ## i () \
{ \
kprintf(msg"\n"); \
DWORD cr0, cr2, cr3, cr4; \
dword cr0, cr2, cr3, cr4; \
asm ("movl %%cr0, %%eax":"=a"(cr0)); \
asm ("movl %%cr2, %%eax":"=a"(cr2)); \
asm ("movl %%cr3, %%eax":"=a"(cr3)); \
@ -286,9 +286,9 @@ EH(12, "Stack exception")
EH(15, "Unknown error")
EH(16, "Coprocessor error")
static void writeRawGDTEntry(WORD selector, DWORD low, DWORD high)
static void writeRawGDTEntry(word selector, dword low, dword high)
{
WORD i = (selector & 0xfffc) >> 3;
word i = (selector & 0xfffc) >> 3;
s_gdt[i].low = low;
s_gdt[i].high = high;
@ -297,14 +297,14 @@ static void writeRawGDTEntry(WORD selector, DWORD low, DWORD high)
}
}
void writeGDTEntry(WORD selector, Descriptor& descriptor)
void writeGDTEntry(word selector, Descriptor& descriptor)
{
writeRawGDTEntry(selector, descriptor.low, descriptor.high);
}
Descriptor& getGDTEntry(WORD selector)
Descriptor& getGDTEntry(word selector)
{
WORD i = (selector & 0xfffc) >> 3;
word i = (selector & 0xfffc) >> 3;
return *(Descriptor*)(&s_gdt[i]);
}
@ -357,17 +357,17 @@ void unregisterIRQHandler(byte irq, IRQHandler& handler)
s_irqHandler[irq] = nullptr;
}
void registerInterruptHandler(BYTE index, void (*f)())
void registerInterruptHandler(byte index, void (*f)())
{
s_idt[index].low = 0x00080000 | LSW((f));
s_idt[index].high = ((DWORD)(f) & 0xffff0000) | 0x8e00;
s_idt[index].high = ((dword)(f) & 0xffff0000) | 0x8e00;
flushIDT();
}
void registerUserCallableInterruptHandler(BYTE index, void (*f)())
void registerUserCallableInterruptHandler(byte index, void (*f)())
{
s_idt[index].low = 0x00080000 | LSW((f));
s_idt[index].high = ((DWORD)(f) & 0xffff0000) | 0xef00;
s_idt[index].high = ((dword)(f) & 0xffff0000) | 0xef00;
flushIDT();
}
@ -395,7 +395,7 @@ void idt_init()
s_idtr.address = s_idt;
s_idtr.size = 0x100 * 8;
for (BYTE i = 0xff; i > 0x10; --i)
for (byte i = 0xff; i > 0x10; --i)
registerInterruptHandler(i, unimp_trap);
registerInterruptHandler(0x00, _exception0);
@ -426,14 +426,14 @@ void idt_init()
flushIDT();
}
void load_task_register(WORD selector)
void load_task_register(word selector)
{
asm("ltr %0"::"r"(selector));
}
void handle_irq()
{
WORD isr = PIC::getISR();
word isr = PIC::getISR();
if (!isr) {
kprintf("Spurious IRQ\n");
return;