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support vdso which borrows clocksource from linux

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This commit is contained in:
NAKAMURA Gou
2016-03-28 14:42:49 +09:00
parent a587c8f5e5
commit 41bb2ab5e6
17 changed files with 689 additions and 18 deletions
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25
executer/kernel/mcctrl/mcctrl.h
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@@ -55,6 +55,7 @@
#define SCD_MSG_SYSCALL_ONESIDE 0x4
#define SCD_MSG_SEND_SIGNAL 0x8
#define SCD_MSG_CLEANUP_PROCESS 0x9
#define SCD_MSG_GET_VDSO_INFO 0xa
#define SCD_MSG_PROCFS_CREATE 0x10
#define SCD_MSG_PROCFS_DELETE 0x11
@@ -230,8 +231,6 @@ struct mcctrl_signal {
int mcctrl_ikc_send(ihk_os_t os, int cpu, struct ikc_scd_packet *pisp);
int mcctrl_ikc_send_msg(ihk_os_t os, int cpu, int msg, int ref, unsigned long arg);
int mcctrl_ikc_is_valid_thread(ihk_os_t os, int cpu);
int reserve_user_space(struct mcctrl_usrdata *usrdata, unsigned long *startp,
unsigned long *endp);
ihk_os_t osnum_to_os(int n);
@@ -275,4 +274,26 @@ void procfs_exit(int osnum);
/* sysfs_files.c */
void setup_sysfs_files(ihk_os_t os);
/* archdep.c */
#define VDSO_MAXPAGES 2
struct vdso {
long busy;
int vdso_npages;
char vvar_is_global;
char hpet_is_global;
char pvti_is_global;
char padding;
long vdso_physlist[VDSO_MAXPAGES];
void *vvar_virt;
long vvar_phys;
void *hpet_virt;
long hpet_phys;
void *pvti_virt;
long pvti_phys;
};
int reserve_user_space(struct mcctrl_usrdata *usrdata, unsigned long *startp,
unsigned long *endp);
void get_vdso_info(ihk_os_t os, long vdso_pa);
#endif