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Finished Aurix Protocol, AxBoot logs to file now

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This commit is contained in:
Jozef Nagy 2025-05-24 21:12:40 +02:00
parent b1d59e02eb
commit d1a5d7d43d
Signed by untrusted user who does not match committer: crz
GPG key ID: 459A4811CEAC7068
37 changed files with 744 additions and 221 deletions
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4
boot/arch/x86_64/common/mm/paging.c
View file

@ -58,10 +58,6 @@ static void _map(pagetable *pm, uintptr_t virt, uintptr_t phys, uint64_t flags)
}
pagetable *pml1_table = (pagetable *)(pml2_table->entries[pml2_idx] & 0x000FFFFFFFFFF000);
if ((pml1_table->entries[pml1_idx] & 1)) {
// debug("_map(): Remapping present page\n");
}
pml1_table->entries[pml1_idx] = (phys & 0x000FFFFFFFFFF000) | flags;
}

95
boot/arch/x86_64/common/proto/aurix/handoff.c Normal file
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@ -0,0 +1,95 @@
/*********************************************************************************/
/* Module Name: handoff.c */
/* Project: AurixOS */
/* */
/* Copyright (c) 2024-2025 Jozef Nagy */
/* */
/* This source is subject to the MIT License. */
/* See License.txt in the root of this repository. */
/* All other rights reserved. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */
/* SOFTWARE. */
/*********************************************************************************/
#include <arch/cpu/gdt.h>
#include <arch/cpu/idt.h>
#include <proto/aurix.h>
#include <mm/vmm.h>
#include <stdint.h>
struct gdt {
struct gdt_descriptor null;
struct gdt_descriptor kcode;
struct gdt_descriptor kdata;
struct gdt_descriptor ucode;
struct gdt_descriptor udata;
struct tss_descriptor tss;
};
void aurix_arch_handoff(void *kernel_entry, pagetable *pm, void *stack, uint32_t stack_size, struct aurix_parameters *parameters)
{
struct tss tss = {
.iomap_base = sizeof(struct tss),
};
struct gdt gdt = {
.tss = {
.gdt = {
.base_low = ((uintptr_t)&tss) & 0xFFFF,
.base_mid = (((uintptr_t)&tss) >> 16) & 0xFF,
.base_high = (((uintptr_t)&tss) >> 24) & 0xFF,
.access = 0b10001001
},
.base_high = (((uintptr_t)&tss) >> 32) & 0xFFFF
},
};
struct gdtr gdtr = {
.base = (uint64_t)&gdt,
.limit = sizeof(gdt) - 1
};
gdt_set_entry(&gdt.null, 0, 0, 0, 0);
gdt_set_entry(&gdt.kcode, 0, 0, 0x9a, 0xaf);
gdt_set_entry(&gdt.kdata, 0, 0, 0x92, 0xcf);
gdt_set_entry(&gdt.ucode, 0, 0, 0xfa, 0xaf);
gdt_set_entry(&gdt.udata, 0, 0, 0xf2, 0xcf);
struct idtr idtr = {
.base = (uint64_t)0,
.limit = 0
};
__asm__ volatile(
"cli\n"
"lgdt %[gdtr]\n"
"ltr %[tss]\n"
"pushq $0x08\n"
"lea 1f(%%rip), %%rax\n"
"pushq %%rax\n"
"lretq\n"
"1:\n"
"movq $0x10, %%rax\n"
"movq %%rax, %%ds\n"
"movq %%rax, %%es\n"
"movq %%rax, %%ss\n"
"movq %%rax, %%fs\n"
"movq %%rax, %%gs\n"
"lidt %[idt]\n"
"movq %[pml4], %%cr3\n"
"movq %[stack], %%rsp\n"
"movq %[params], %%rdi\n"
"callq *%[entry]\n"
:: [gdtr]"g"(gdtr), [tss]"r"((uint16_t)__builtin_offsetof(struct gdt, tss)),
[idt]"g"(idtr),
[pml4]"r"(pm), [stack]"r"(stack + stack_size),
[entry]"r"(kernel_entry), [params]"d"(parameters) : "rax", "memory");
}

24
boot/arch/x86_64/common/proto/aurix_handoff.S
View file

@ -1,24 +0,0 @@
.globl _aurix_handoff_start
.globl _aurix_handoff_end
.globl aurix_handoff
_aurix_handoff_start:
aurix_handoff:
cli
movq %rsi, %rsp
.section _aurix_handoff
movq %rdi, %cr3
xor %rax, %rax
xor %rbx, %rbx
xor %rcx, %rcx
xor %rdi, %rdi
xor %r8, %r8
xor %r9, %r9
xor %r10, %r10
xor %r11, %r11
xor %r12, %r12
xor %r13, %r13
xor %r14, %r14
xor %r15, %r15
callq *%rdx
_aurix_handoff_end:

1
boot/arch/x86_64/config.mk Normal file
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@ -0,0 +1 @@
CFLAGS += -DARCH_ACPI_AVAILABLE -DARCH_SMBIOS_AVAILABLE