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support AVX-512 registers

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This commit is contained in:
Yoichi Umezawa
2016-08-30 18:39:33 +09:00
parent 782122b681
commit b5e4459a34
2 changed files with 36 additions and 12 deletions
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11
arch/x86/kernel/syscall.c
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@@ -39,6 +39,7 @@ void check_signal(unsigned long rc, void *regs0, int num);
extern unsigned long do_fork(int, unsigned long, unsigned long, unsigned long,
unsigned long, unsigned long, unsigned long);
extern int get_xsave_size();
extern uint64_t get_xsave_mask();
//#define DEBUG_PRINT_SC
@@ -273,8 +274,9 @@ SYSCALL_DECLARE(rt_sigreturn)
void *fpregs = kmalloc(xsavesize + 64, IHK_MC_AP_NOWAIT);
if(fpregs){
unsigned int low = 0x7;
unsigned int high = 0;
uint64_t xsave_mask = get_xsave_mask();
unsigned int low = (unsigned int)xsave_mask;
unsigned int high = (unsigned int)(xsave_mask >> 32);
struct xsave_struct *kfpregs;
kfpregs = (void *)((((unsigned long)fpregs) + 63) & ~63);
@@ -776,8 +778,9 @@ do_signal(unsigned long rc, void *regs0, struct thread *thread, struct sig_pendi
if(num != 0 && rc == -EINTR && sig == SIGCHLD)
ksigsp.restart = 1;
if(xsavesize){
unsigned int low = 0x7;
unsigned int high = 0;
uint64_t xsave_mask = get_xsave_mask();
unsigned int low = (unsigned int)xsave_mask;
unsigned int high = (unsigned int)(xsave_mask >> 32);
void *_kfpregs = kmalloc(xsavesize + 64, IHK_MC_AP_NOWAIT);
struct xsave_struct *kfpregs;