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uti: Call into McKernel futex()

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(1) Masquerade clv
(2) Fix timeout
(3) Let mcexec thread with the same tid as McKernel thread migrating
    to Linux handles the migration request
(4) Call create_tracer() before creating proxy related objects

Change-Id: I6b2689b70db49827f10aa7d5a4c581aa81319b55
This commit is contained in:
Masamichi Takagi
2018-09-02 17:36:28 +09:00
parent 460917c4a0
commit 52afbbbc98
16 changed files with 629 additions and 150 deletions
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15
executer/kernel/mcctrl/mcctrl.h
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@@ -102,6 +102,8 @@
#define SCD_MSG_CPU_RW_REG 0x52
#define SCD_MSG_CPU_RW_REG_RESP 0x53
#define SCD_MSG_FUTEX_WAKE 0x60
#define DMA_PIN_SHIFT 21
#define DO_USER_MODE
@@ -126,6 +128,12 @@ enum mcctrl_os_cpu_operation {
MCCTRL_OS_CPU_MAX_OP
};
/* Used to wake-up a Linux thread futex_wait()-ing */
struct uti_futex_resp {
int done;
wait_queue_head_t wq;
};
struct ikc_scd_packet {
int msg;
int err;
@@ -164,6 +172,12 @@ struct ikc_scd_packet {
struct {
int eventfd_type;
};
/* SCD_MSG_FUTEX_WAKE */
struct {
void *resp;
int *spin_sleep; /* 1: waiting in linux_wait_event() 0: woken up by someone else */
} futex;
};
char padding[8];
};
@@ -465,6 +479,7 @@ inline struct mcctrl_per_thread_data *mcctrl_get_per_thread_data(
void __return_syscall(ihk_os_t os, struct ikc_scd_packet *packet,
long ret, int stid);
int clear_pte_range(uintptr_t start, uintptr_t len);
int mcctrl_os_alive(void);