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Add simple stacktrace logging

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This commit is contained in:
Sam Tebbs 2019-11-02 02:18:02 +00:00
parent 9d52e08ea7
commit f0161f0ec9
10 changed files with 477 additions and 14 deletions
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2
src/kernel/arch/x86/boot.zig
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@ -99,7 +99,7 @@ export nakedcc fn start_higher_half() noreturn {
asm volatile (
\\.extern KERNEL_STACK_END
\\mov $KERNEL_STACK_END, %%esp
\\mov %%esp, %%ebp
\\xor %%ebp, %%ebp
);
// Push the bootloader magic number and multiboot header address with virtual offset

6
src/kernel/arch/x86/paging.zig
View file

@ -331,9 +331,9 @@ pub fn init(mb_info: *multiboot.multiboot_info_t, mem_profile: *const MemProfile
// Map in each boot module
for (mem_profile.boot_modules) |*module| {
const mod_p_struct_start = std.mem.alignBackward(@ptrToInt(module), PAGE_SIZE_4KB);
const mod_p_struct_end = std.mem.alignForward(mod_p_struct_start + @sizeOf(multiboot.multiboot_module_t), PAGE_SIZE_4KB);
mapDir(kernel_directory, mem.physToVirt(mod_p_struct_start), mem.physToVirt(mod_p_struct_end), mod_p_struct_start, mod_p_struct_end, allocator) catch |e| {
const mod_v_struct_start = std.mem.alignBackward(@ptrToInt(module), PAGE_SIZE_4KB);
const mod_v_struct_end = std.mem.alignForward(mod_v_struct_start + @sizeOf(multiboot.multiboot_module_t), PAGE_SIZE_4KB);
mapDir(kernel_directory, mod_v_struct_start, mod_v_struct_end, mem.virtToPhys(mod_v_struct_start), mem.virtToPhys(mod_v_struct_end), allocator) catch |e| {
panic(@errorReturnTrace(), "Failed to map module struct: {}\n", e);
};
const mod_p_start = std.mem.alignBackward(module.mod_start, PAGE_SIZE_4KB);