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Fix user apps randomly crashing (APIC, GDT layout, syscall entry)
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This commit is contained in:
Kamil Kowalczyk
2026-01-14 19:51:18 +01:00
parent 0d8f9e565f
commit d1d772cb42
23 changed files with 276 additions and 204 deletions
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67
init/init.c
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@@ -4,25 +4,72 @@
#include <stdint.h>
#include <string/string.h>
char c = 'a';
void app_main (void) {
uintptr_t out_paddr;
int mem_rid = m_proc_create_resource_mem (16, RV_PRIVATE, &out_paddr);
/* uintptr_t out_paddr; */
/* int mem_rid = m_proc_create_resource_mem (16, RV_PRIVATE, &out_paddr); */
m_proc_map (out_paddr, M_PROC_MAP_BASE, 16, PM_PRESENT | PM_RW | PM_USER);
/* m_proc_map (out_paddr, M_PROC_MAP_BASE, 16, PM_PRESENT | PM_RW | PM_USER); */
memset ((void*)M_PROC_MAP_BASE, 0, M_PAGE_SIZE * 16);
/* memset ((void*)M_PROC_MAP_BASE, 0, M_PAGE_SIZE * 16); */
m_proc_unmap (M_PROC_MAP_BASE, 16);
/* m_proc_unmap (M_PROC_MAP_BASE, 16); */
m_proc_drop_resource (mem_rid);
/* m_proc_drop_resource (mem_rid); */
/* m_proc_test (); */
int mutex_rid = m_proc_create_resource_mutex (RV_PRIVATE);
/* int mutex_rid = m_proc_create_resource_mutex (RV_PRIVATE); */
m_proc_mutex_lock (mutex_rid);
/* m_proc_mutex_lock (mutex_rid); */
/* m_proc_test (); */
m_proc_mutex_unlock (mutex_rid);
/* m_proc_mutex_unlock (mutex_rid); */
/* m_proc_test (); */
if (c > 'z')
c = 'a';
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
m_proc_test (c++);
__asm__ volatile ("dupa: nop; nop; nop; jmp dupa");
/* for (volatile uint64_t i = 0; i < 1000*1000*100; i++); */
/* if (c > 'z') */
/* c = 'a'; */
/* m_proc_test ('k'); */
/* m_proc_test ('l'); */
/* m_proc_test ('m'); */
/* m_proc_test ('n'); */
/* m_proc_test ('o'); */
/* m_proc_test ('p'); */
/* m_proc_test ('r'); */
/* m_proc_test ('s'); */
/* m_proc_test ('t'); */
/* m_proc_test ('u'); */
}