move process code into proc. add panic folder

1 files changed, 64 insertions, 0 deletions

diff --git a/arch/x86_64/proc/process.c b/arch/x86_64/proc/process.c
new file mode 100644
index 0000000..55af85a
--- /dev/null
+++ b/arch/x86_64/proc/process.c
@@ -0,0 +1,64 @@
+#include "process.h"
+#include "proc/process.h"
+#include "arch/x86_64/hal/obj.h"
+#include "arch/x86_64/hal/smp.h"
+#include "arch/x86_64/hal/paging.h"
+#include "hal/obj.h"
+#include "hal/smp.h"
+#include "lib/string.h"
+#include "init.h"
+#include "jove.h"
+
+PAGEALIGN uint8_t s_init_iopb[0x2000];
+PAGEALIGN char _init_pcb_bytes[0x1000] = { 0 };
+pcb_t *_init_pcb = (pcb_t*)&_init_pcb_bytes;
+
+pid_t
+pcb_pid(pcb_t *pcb)
+{
+    return pcb->pid;
+}
+
+jove_obj_t*
+pcb_rootdir(pcb_t *pcb)
+{
+    return pcb->rootdir;
+}
+
+void
+processing_setup(void (*process_main))
+{
+    memset(s_init_iopb, 0xFF, 0x2000);
+    uintptr_t ksp = ((uintptr_t)&_init_pcb_bytes) + 0xFF8;
+
+    _init_pcb->tree_node.get_key = (void*)pcb_pid;
+
+    _init_pcb->pid = 1;
+    _init_pcb->ksp = (void*)ksp;
+    _init_pcb->pml4 = paging_get_pml4();
+    _init_pcb->rootdir = _rootdir_obj;
+
+    jove_owned_obj_t *iopb_obj = objdir_getlocal(_rootdir_obj, ROOTDIR_IOPB_I);
+    obj_settype(iopb_obj, JOVE_OBJ_IOPB);
+    obj_setvalue(iopb_obj, (uintptr_t)s_init_iopb);
+    _init_pcb->iopb = iopb_obj;
+
+    processor_t *proc = processor_current();
+    proc->tss.rsp[0] = (uintptr_t)_init_pcb->ksp;
+    memcpy(proc->iopb, s_init_iopb, 0x2000);
+
+    {
+        jove_owned_obj_t *process_obj = objdir_getlocal(_rootdir_obj, ROOTDIR_PCB_I);
+        obj_settype(process_obj, JOVE_OBJ_PCB);
+        obj_setvalue(process_obj, (uintptr_t)_init_pcb);
+
+        proc->pcb_obj = process_obj;
+        proc->pcb = _init_pcb;
+    }
+
+    __asm__ volatile("\
+            movq %0, %%rsp; \
+            xorq %%rbp, %%rbp; \
+            jmpq %1"::
+            "r"(_init_pcb->ksp), "r"(process_main));
+}