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Function comments (v1)

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xamidev
2026-03-13 12:51:29 +01:00
parent 8e2a612d88
commit 8026c33639
25 changed files with 560 additions and 48 deletions
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17
src/debug/misc.c
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@@ -10,7 +10,14 @@
extern struct boot_context boot_ctx;
// Display the memmap so we see how the memory is laid out at handoff
/*
* memmap_display - displays a memory map
* @response: Limine memory map response
*
* Displays the memory map we get from Limine
* to see different regions, their sizes, and
* how the memory is laid out at handoff.
*/
void memmap_display(struct limine_memmap_response* response)
{
DEBUG("Got memory map from Limine: revision %u, %u entries", response->revision, response->entry_count);
@@ -51,12 +58,18 @@ void memmap_display(struct limine_memmap_response* response)
}
}
// Display the HHDM
/*
* hhdm_display - displays the HHDM offset
* @hhdm: Limine HHDM offset response
*/
void hhdm_display(struct limine_hhdm_response* hhdm)
{
DEBUG("Got HHDM revision=%u offset=0x%p", hhdm->revision, hhdm->offset);
}
/*
* boot_mem_display - displays all memory info
*/
void boot_mem_display()
{
memmap_display(boot_ctx.mmap);

9
src/debug/panic.c
View File

@@ -11,6 +11,15 @@
extern struct init_status init;
/*
* panic - Kernel panic
* @ctx: CPU context (optional)
* @str: Error message
*
* Ends execution of the kernel in case of an unrecoverable error.
* Will display to terminal if it is initialized, otherwise serial only.
* Can be called with or without a CPU context.
*/
void panic(struct cpu_status_t* ctx, const char* str)
{
CLEAR_INTERRUPTS;

18
src/debug/stacktrace.c
View File

@@ -9,6 +9,13 @@
extern struct init_status init;
/*
* debug_stack_trace - Prints the stack trace
* @max_frames: Maximum amount of stack frames to walk
*
* Walks back the stack and gets all return values (RIP)
* and prints them to the DEBUG interface.
*/
void debug_stack_trace(unsigned int max_frames)
{
DEBUG("*** begin stack trace ***");
@@ -52,7 +59,16 @@ typedef struct {
__attribute__((weak)) extern kernel_symbol_t symbol_table[];
__attribute__((weak)) extern uint64_t symbol_count;
// binary search
/*
* debug_find_symbol - Finds the symbol name associated to an address
* @rip: Pointer to executable code
* @offset: Out pointer to reference the offset in the found function, if any
*
* Return:
* <symbol name> - symbol name
* "???" - no symbol table found
* "unknown" - symbol table found, but address isn't in the table
*/
const char* debug_find_symbol(uintptr_t rip, uintptr_t* offset)
{
if (!symbol_table || symbol_count == 0) {