6 files changed, 35 insertions, 2 deletions
diff --git a/sys/include/dev/acpi/tables.h b/sys/include/dev/acpi/tables.h
index 5215c86..d190150 100644
--- a/sys/include/dev/acpi/tables.h
+++ b/sys/include/dev/acpi/tables.h
@@ -132,4 +132,34 @@ struct __packed acpi_hpet {
     uint8_t page_protection;
 };
 
+/*
+ * PCIe / ACPI MCFG base address description
+ * table.
+ *
+ * @base_pa: Enhanced configuration base [physical]
+ * @seg_grpno: PCI segment group number
+ * @bus_start: Host bridge bus start
+ * @bus_end: Host bridge bus end
+ */
+struct __packed acpi_mcfg_base {
+    uint64_t base_pa;
+    uint16_t seg_grpno;
+    uint8_t bus_start;
+    uint8_t bus_end;
+    uint32_t reserved;
+};
+
+/*
+ * PCIe / ACPI MCFG structure
+ *
+ * @hdr: ACPI header
+ * @reserved: Do not use
+ * @base: ECAM MMIO address list
+ */
+struct __packed acpi_mcfg {
+    struct acpi_header hdr;
+    uint32_t reserved[2];
+    struct acpi_mcfg_base base[1];
+};
+
 #endif  /* _ACPI_TABLES_H_ */
diff --git a/sys/include/dev/cons/cons.h b/sys/include/dev/cons/cons.h
index 9868493..7599dd5 100644
--- a/sys/include/dev/cons/cons.h
+++ b/sys/include/dev/cons/cons.h
@@ -67,6 +67,7 @@ struct cons_screen {
 void cons_init(void);
 void cons_expose(void);
 void cons_update_color(struct cons_screen *scr, uint32_t fg, uint32_t bg);
+void cons_clear_scr(struct cons_screen *scr, uint32_t bg);
 void cons_reset_color(struct cons_screen *scr);
 void cons_reset_cursor(struct cons_screen *scr);
 int cons_putch(struct cons_screen *scr, char c);
diff --git a/sys/include/dev/pci/pci.h b/sys/include/dev/pci/pci.h
index a4de162..144b500 100644
--- a/sys/include/dev/pci/pci.h
+++ b/sys/include/dev/pci/pci.h
@@ -62,6 +62,7 @@ struct pci_device {
     uint8_t pci_subclass;
     uint8_t prog_if;
     uint8_t hdr_type;
+    uint8_t pci_express : 1;
 
     uint8_t pri_bus;
     uint8_t sec_bus;
diff --git a/sys/include/sys/limits.h b/sys/include/sys/limits.h
index 198c963..f56958e 100644
--- a/sys/include/sys/limits.h
+++ b/sys/include/sys/limits.h
@@ -32,6 +32,7 @@
 
 #define PATH_MAX 1024
 #define SSIZE_MAX 32767
+#define ARG_MAX 4096
 #define CHAR_BIT 8
 #if defined(_KERNEL)
 #define CPU_MAX 256
diff --git a/sys/include/sys/proc.h b/sys/include/sys/proc.h
index 2f1470a..241d990 100644
--- a/sys/include/sys/proc.h
+++ b/sys/include/sys/proc.h
@@ -95,7 +95,7 @@ int md_spawn(struct proc *p, struct proc *parent, uintptr_t ip);
 scret_t sys_spawn(struct syscall_args *scargs);
 pid_t spawn(struct proc *cur, void(*func)(void), void *p, int flags, struct proc **newprocp);
 
-void md_td_stackinit(struct proc *td, void *stack_top, struct exec_prog *prog);
+uintptr_t md_td_stackinit(struct proc *td, void *stack_top, struct exec_prog *prog);
 __dead void md_td_kick(struct proc *td);
 
 int fork1(struct proc *cur, int flags, void(*ip)(void), struct proc **newprocp);
diff --git a/sys/include/sys/spawn.h b/sys/include/sys/spawn.h
index 9d823db..0c54e4c 100644
--- a/sys/include/sys/spawn.h
+++ b/sys/include/sys/spawn.h
@@ -36,6 +36,6 @@
 #define SPAWN_WAIT BIT(0)
 
 #if !defined(_KERNEL)
-pid_t spawn(const char *pathname, int flags);
+pid_t spawn(const char *pathname, char **argv, char **envp, int flags);
 #endif  /* _KERNEL */
 #endif  /* !_SYS_SPAWN_H_ */