big commit

kernel/include/cls.h

@@ -1,5 +1,8 @@
 #ifndef __HEADER_CLS_H
 #define __HEADER_CLS_H
+
+#include <process.h>
+#include <syscall.h>
 /*
  * CPU Local Storage (cls)
  */
@@ -12,7 +15,16 @@ struct malloc_header {
 struct cpu_local_var {
 	/* malloc */
 	struct malloc_header free_list;
-	/* Align to 64-byte */
+
+	struct process idle;
+
+	struct process *current;
+	struct process *next;
+
+	struct aal_ikc_channel_desc *syscall_channel;
+
+	struct syscall_params scp;
+	struct ikc_scd_init_param iip;
 } __attribute__((aligned(64)));
 
 

kernel/include/process.h

@@ -0,0 +1,52 @@
+#ifndef HEADER_PROCESS_H
+#define HEADER_PROCESS_H
+
+#include <aal/context.h>
+#include <aal/cpu.h>
+#include <aal/mm.h>
+#include <list.h>
+
+#define VR_STACK     1
+
+struct vm_range {
+	struct list_head list;
+	unsigned long start, end;
+	unsigned long phys;
+	unsigned long flag;
+};
+
+struct vm_regions {
+	unsigned long text_start, text_end;
+	unsigned long data_start, data_end;
+	unsigned long brk_start, brk_end;
+	unsigned long map_start, map_end;
+	unsigned long stack_start, stack_end;
+};
+
+struct process {
+	int pid;
+	int status;
+
+	struct page_table *page_table;
+	struct list_head vm_range_list;
+
+	struct vm_regions region;
+
+	aal_mc_kernel_context_t ctx;
+	aal_mc_user_context_t  *uctx;
+};
+
+struct process *create_process(unsigned long user_pc);
+int add_process_memory_range(struct process *process,
+                             unsigned long start, unsigned long end,
+                             unsigned long phys, unsigned long flag);
+int remove_process_region(struct process *proc,
+                          unsigned long start, unsigned long end);
+void init_process_stack(struct process *process);
+unsigned long extend_process_region(struct process *proc,
+                                    unsigned long start, unsigned long end,
+                                    unsigned long address);
+
+void schedule(void);
+
+#endif

kernel/include/syscall.h

@@ -0,0 +1,65 @@
+#ifndef __HEADER_SYSCALL_H
+#define __HEADER_SYSCALL_H
+
+#define NUM_SYSCALLS 255
+
+#define SCD_MSG_PREPARE_PROCESS         0x1
+#define SCD_MSG_PREPARE_PROCESS_ACKED   0x2
+#define SCD_MSG_SCHEDULE_PROCESS        0x3
+
+#define SCD_MSG_INIT_CHANNEL            0x5
+#define SCD_MSG_INIT_CHANNEL_ACKED      0x6
+
+#define SCD_MSG_SYSCALL_ONESIDE         0x4
+
+struct ikc_scd_packet {
+	int msg;
+	int ref;
+	unsigned long arg;
+};
+
+struct program_image_section {
+	unsigned long vaddr;
+	unsigned long len;
+	unsigned long remote_pa;
+	unsigned long filesz, offset;
+	void *source;
+};
+
+struct program_load_desc {
+	int num_sections;
+	int status;
+	int cpu;
+	int pid;
+	unsigned long entry;
+	unsigned long rprocess;
+	struct program_image_section sections[0];
+};
+
+struct ikc_scd_init_param {
+	unsigned long request_page;
+	unsigned long response_page;
+	unsigned long doorbell_page;
+};
+
+struct syscall_request {
+	unsigned long number;
+	unsigned long args[5];
+};
+
+struct syscall_response {
+	unsigned long status;
+	long ret;
+};
+
+struct syscall_params {
+	unsigned long request_rpa, request_pa;
+	struct syscall_request *request_va;
+	unsigned long response_pa;
+	struct syscall_response *response_va;
+
+	unsigned long doorbell_rpa, doorbell_pa;
+	unsigned long *doorbell_va;
+};
+
+#endif