3  * SPDX-License-Identifier: Apache-2.0
22 	 * -device isa-debug-exit,iobase=0xf4,iosize=0x04  in arch_system_halt()
27 	 * It has been observed that if the emulator exits for a triple-fault  in arch_system_halt()
41 	return esf->rsp;  in esf_get_sp()
43 	return esf->esp;  in esf_get_sp()
58 		cpu_id = arch_curr_cpu()->id;  in z_x86_check_stack_bounds()
67 		   (arch_current_thread()->base.user_options & K_USER) != 0) {  in z_x86_check_stack_bounds()
75 		start = arch_current_thread()->stack_info.start - CONFIG_PRIVILEGED_STACK_SIZE;  in z_x86_check_stack_bounds()
76 		end = arch_current_thread()->stack_info.start;  in z_x86_check_stack_bounds()
80 		start = arch_current_thread()->stack_info.start;  in z_x86_check_stack_bounds()
81 		end = Z_STACK_PTR_ALIGN(arch_current_thread()->stack_info.start +  in z_x86_check_stack_bounds()
82 					arch_current_thread()->stack_info.size);  in z_x86_check_stack_bounds()
103 	/* Front guard size - before thread stack area */  in z_x86_check_guard_page()
104 	start = (uintptr_t)thread->stack_info.mapped.addr - CONFIG_MMU_PAGE_SIZE;  in z_x86_check_guard_page()
105 	end = (uintptr_t)thread->stack_info.mapped.addr;  in z_x86_check_guard_page()
111 	/* Rear guard size - after thread stack area */  in z_x86_check_guard_page()
112 	start = (uintptr_t)thread->stack_info.mapped.addr + thread->stack_info.mapped.sz;  in z_x86_check_guard_page()
139 		base_ptr = esf->rbp;  in walk_stackframe()
140 #else /* x86 32-bit */  in walk_stackframe()
141 		base_ptr = esf->ebp;  in walk_stackframe()
143 		cs = esf->cs;  in walk_stackframe()
175 		if (frame->ret_addr == 0U) {  in walk_stackframe()
179 		if (!cb(cookie, frame->ret_addr)) {  in walk_stackframe()
183 		base_ptr = frame->next;  in walk_stackframe()
223 	return esf->code;  in esf_get_code()
225 	return esf->errorCode;  in esf_get_code()
235 	if ((esf->cs & 0x3) != 0) {  in get_cr3()
236 		return arch_current_thread()->arch.ptables;  in get_cr3()
257 		esf->rax, esf->rbx, esf->rcx, esf->rdx);  in dump_regs()
259 		esf->rsi, esf->rdi, esf->rbp, esf->rsp);  in dump_regs()
261 		esf->r8, esf->r9, esf->r10, esf->r11);  in dump_regs()
263 		esf->r12, esf->r13, esf->r14, esf->r15);  in dump_regs()
265 		esf->rsp, esf->rflags, esf->cs & 0xFFFFU, get_cr3(esf));  in dump_regs()
267 	LOG_ERR("RIP: 0x%016lx", esf->rip);  in dump_regs()
269 #else /* 32-bit */
274 		esf->eax, esf->ebx, esf->ecx, esf->edx);  in dump_regs()
276 		esf->esi, esf->edi, esf->ebp, esf->esp);  in dump_regs()
277 	LOG_ERR("EFLAGS: 0x%08x CS: 0x%04x CR3: 0x%08lx", esf->eflags,  in dump_regs()
278 		esf->cs & 0xFFFFU, get_cr3(esf));  in dump_regs()
280 	LOG_ERR("EIP: 0x%08x", esf->eip);  in dump_regs()
295 		LOG_ERR("Non-maskable interrupt");  in log_exception()
316 		LOG_ERR("Co-processor segment overrun");  in log_exception()
402 		if (esf->rip == 0xb9) {  in z_x86_fatal_error()
407 			LOG_ERR("Attempt to resume un-suspended thread object");  in z_x86_fatal_error()
440 	if ((esf->errorCode & PF_P) == 0) {  in z_x86_page_fault_handler()
441 		/* Page was non-present at time exception happened.  in z_x86_page_fault_handler()
449 		bool was_user = ((esf->cs & 0x3) != 0U);  in z_x86_page_fault_handler()
452 		 * that hit a non-present page that was flipped due to KPTI in  in z_x86_page_fault_handler()
459 		 * instruction will just be re-tried, producing another fault.  in z_x86_page_fault_handler()
471 			/* Page fault handled, re-try */  in z_x86_page_fault_handler()
486 		if ((void *)esf->rip >= exceptions[i].start &&  in z_x86_page_fault_handler()
487 		    (void *)esf->rip < exceptions[i].end) {  in z_x86_page_fault_handler()
488 			esf->rip = (uint64_t)(exceptions[i].fixup);  in z_x86_page_fault_handler()
492 		if ((void *)esf->eip >= exceptions[i].start &&  in z_x86_page_fault_handler()
493 		    (void *)esf->eip < exceptions[i].end) {  in z_x86_page_fault_handler()
494 			esf->eip = (unsigned int)(exceptions[i].fixup);  in z_x86_page_fault_handler()
504 	if (z_x86_check_stack_bounds(esf_get_sp(esf), 0, esf->cs)) {  in z_x86_page_fault_handler()
526 	reason = esf->rax;  in z_x86_do_kernel_oops()
528 	uintptr_t *stack_ptr = (uintptr_t *)esf->esp;  in z_x86_do_kernel_oops()
537 	if ((esf->cs & 0x3) != 0 && !(reason == K_ERR_KERNEL_OOPS ||  in z_x86_do_kernel_oops()