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Kernel: Remove i686 support

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Liav A 2022-10-04 03:05:54 +03:00 • committed by Andreas Kling
parent 32270dcd20
commit 5ff318cf3a
75 changed files with 142 additions and 895 deletions
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78
Kernel/Arch/x86/common/Interrupts.cpp
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@ -52,61 +52,6 @@ static EntropySource s_entropy_source_interrupts { EntropySource::Static::Interr
// clang-format off
#if ARCH(I386)
#define EH_ENTRY(ec, title) \
extern "C" void title##_asm_entry(); \
extern "C" void title##_handler(TrapFrame*) __attribute__((used)); \
NAKED void title##_asm_entry() { \
asm( \
" pusha\n" \
" pushl %ds\n" \
" pushl %es\n" \
" pushl %fs\n" \
" pushl %gs\n" \
" pushl %ss\n" \
" mov $" __STRINGIFY(GDT_SELECTOR_DATA0) ", %ax\n" \
" mov %ax, %ds\n" \
" mov %ax, %es\n" \
" mov $" __STRINGIFY(GDT_SELECTOR_PROC) ", %ax\n" \
" mov %ax, %gs\n" \
" pushl %esp \n" /* set TrapFrame::regs */ \
" subl $" __STRINGIFY(TRAP_FRAME_SIZE - 4) ", %esp \n" \
" pushl %esp \n" \
" cld\n" \
" call enter_trap_no_irq \n" \
" call " #title "_handler\n" \
" jmp common_trap_exit \n" \
); \
}
#define EH_ENTRY_NO_CODE(ec, title) \
extern "C" void title##_asm_entry(); \
extern "C" void title##_handler(TrapFrame*) __attribute__((used)); \
NAKED void title##_asm_entry() { \
asm( \
" pushl $0x0\n" \
" pusha\n" \
" pushl %ds\n" \
" pushl %es\n" \
" pushl %fs\n" \
" pushl %gs\n" \
" pushl %ss\n" \
" mov $" __STRINGIFY(GDT_SELECTOR_DATA0) ", %ax\n" \
" mov %ax, %ds\n" \
" mov %ax, %es\n" \
" mov $" __STRINGIFY(GDT_SELECTOR_PROC) ", %ax\n" \
" mov %ax, %gs\n" \
" pushl %esp \n" /* set TrapFrame::regs */ \
" subl $" __STRINGIFY(TRAP_FRAME_SIZE - 4) ", %esp \n" \
" pushl %esp \n" \
" cld\n" \
" call enter_trap_no_irq \n" \
" call " #title "_handler\n" \
" jmp common_trap_exit \n" \
); \
}
#elif ARCH(X86_64)
#define EH_ENTRY(ec, title) \
extern "C" void title##_asm_entry(); \
extern "C" void title##_handler(TrapFrame*) __attribute__((used)); \
@ -173,41 +118,19 @@ static EntropySource s_entropy_source_interrupts { EntropySource::Static::Interr
" jmp common_trap_exit \n" \
); \
}
#endif
// clang-format on
void dump_registers(RegisterState const& regs)
{
#if ARCH(I386)
u16 ss;
u32 esp;
if (!(regs.cs & 3)) {
ss = regs.ss;
esp = regs.esp;
} else {
ss = regs.userspace_ss;
esp = regs.userspace_esp;
}
#else
u64 rsp;
if (!(regs.cs & 3))
rsp = regs.rsp;
else
rsp = regs.userspace_rsp;
#endif
dbgln("Exception code: {:04x} (isr: {:04x})", regs.exception_code, regs.isr_number);
#if ARCH(I386)
dbgln(" pc={:#04x}:{:p} eflags={:p}", (u16)regs.cs, regs.eip, regs.eflags);
dbgln(" stack={:#04x}:{:p}", ss, esp);
dbgln(" ds={:#04x} es={:#04x} fs={:#04x} gs={:#04x}", (u16)regs.ds, (u16)regs.es, (u16)regs.fs, (u16)regs.gs);
dbgln(" eax={:p} ebx={:p} ecx={:p} edx={:p}", regs.eax, regs.ebx, regs.ecx, regs.edx);
dbgln(" ebp={:p} esp={:p} esi={:p} edi={:p}", regs.ebp, regs.esp, regs.esi, regs.edi);
dbgln(" cr0={:p} cr2={:p} cr3={:p} cr4={:p}", read_cr0(), read_cr2(), read_cr3(), read_cr4());
#else
dbgln(" pc={:#04x}:{:p} rflags={:p}", (u16)regs.cs, regs.rip, regs.rflags);
dbgln(" stack={:p}", rsp);
// FIXME: Add fs_base and gs_base here
@ -216,7 +139,6 @@ void dump_registers(RegisterState const& regs)
dbgln(" r8={:p} r9={:p} r10={:p} r11={:p}", regs.r8, regs.r9, regs.r10, regs.r11);
dbgln(" r12={:p} r13={:p} r14={:p} r15={:p}", regs.r12, regs.r13, regs.r14, regs.r15);
dbgln(" cr0={:p} cr2={:p} cr3={:p} cr4={:p}", read_cr0(), read_cr2(), read_cr3(), read_cr4());
#endif
}
EH_ENTRY_NO_CODE(6, illegal_instruction);