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Stage 26 v2

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Leonmmcoset
2026-04-12 19:55:42 +08:00
parent aa8c0bd8d1
commit 901b63b9ba
8 changed files with 102 additions and 36 deletions
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50
clks/kernel/exec.c
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@@ -1,27 +1,45 @@
#include <clks/elf64.h>
#include <clks/exec.h>
#include <clks/fs.h>
#include <clks/heap.h>
#include <clks/log.h>
#include <clks/string.h>
#include <clks/types.h>
typedef u64 (*clks_exec_entry_fn)(void);
#define CLKS_EXEC_STATUS_UNSUPPORTED 0xFFFFFFFFFFFFFFFEULL
#define CLKS_EXEC_RUN_STACK_BYTES (64ULL * 1024ULL)
#if defined(CLKS_ARCH_X86_64)
extern u64 clks_exec_call_on_stack_x86_64(void *entry_ptr, void *stack_top);
#endif
static u64 clks_exec_requests = 0ULL;
static u64 clks_exec_success = 0ULL;
static clks_bool clks_exec_is_sync_unsupported(const char *path) {
if (path == CLKS_NULL) {
static clks_bool clks_exec_invoke_entry(void *entry_ptr, u64 *out_ret) {
if (entry_ptr == CLKS_NULL || out_ret == CLKS_NULL) {
return CLKS_FALSE;
}
if (clks_strcmp(path, "/shell/shell.elf") == 0) {
#if defined(CLKS_ARCH_X86_64)
{
void *stack_base = clks_kmalloc((usize)CLKS_EXEC_RUN_STACK_BYTES);
void *stack_top;
if (stack_base == CLKS_NULL) {
clks_log(CLKS_LOG_WARN, "EXEC", "RUN STACK ALLOC FAILED");
return CLKS_FALSE;
}
stack_top = (void *)((u8 *)stack_base + (usize)CLKS_EXEC_RUN_STACK_BYTES);
*out_ret = clks_exec_call_on_stack_x86_64(entry_ptr, stack_top);
clks_kfree(stack_base);
return CLKS_TRUE;
}
return CLKS_FALSE;
#else
*out_ret = ((clks_exec_entry_fn)entry_ptr)();
return CLKS_TRUE;
#endif
}
void clks_exec_init(void) {
@@ -49,17 +67,6 @@ clks_bool clks_exec_run_path(const char *path, u64 *out_status) {
return CLKS_FALSE;
}
if (clks_exec_is_sync_unsupported(path) == CLKS_TRUE) {
clks_log(CLKS_LOG_WARN, "EXEC", "SYNC EXEC UNSUPPORTED FOR INTERACTIVE ELF");
clks_log(CLKS_LOG_WARN, "EXEC", path);
if (out_status != CLKS_NULL) {
*out_status = CLKS_EXEC_STATUS_UNSUPPORTED;
}
return CLKS_FALSE;
}
image = clks_fs_read_all(path, &image_size);
if (image == CLKS_NULL || image_size == 0ULL) {
@@ -93,7 +100,12 @@ clks_bool clks_exec_run_path(const char *path, u64 *out_status) {
clks_log_hex(CLKS_LOG_INFO, "EXEC", "ENTRY", info.entry);
clks_log_hex(CLKS_LOG_INFO, "EXEC", "PHNUM", (u64)info.phnum);
run_ret = ((clks_exec_entry_fn)entry_ptr)();
if (clks_exec_invoke_entry(entry_ptr, &run_ret) == CLKS_FALSE) {
clks_log(CLKS_LOG_WARN, "EXEC", "EXEC RUN INVOKE FAILED");
clks_log(CLKS_LOG_WARN, "EXEC", path);
clks_elf64_unload(&loaded);
return CLKS_FALSE;
}
clks_log(CLKS_LOG_INFO, "EXEC", "RUN RETURNED");
clks_log(CLKS_LOG_INFO, "EXEC", path);