Changeset 32573ff in mainline for kernel/arch/amd64/src/proc/scheduler.c
- Timestamp:
- 2016-05-02T20:58:16Z (8 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 7c4b26c
- Parents:
- 6adb775f (diff), 5035ba05 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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kernel/arch/amd64/src/proc/scheduler.c
r6adb775f r32573ff 42 42 #include <arch/pm.h> 43 43 #include <arch/ddi/ddi.h> 44 #include <arch/kseg_struct.h> 44 45 45 46 /** Perform amd64 specific tasks needed before the new task is run. … … 55 56 void before_thread_runs_arch(void) 56 57 { 57 CPU->arch.tss->rsp0 = 58 (uintptr_t) &THREAD->kstack[STACK_SIZE]; 59 60 /* 61 * Syscall support. 62 */ 63 swapgs(); 64 write_msr(AMD_MSR_GS, (uintptr_t) THREAD->arch.syscall_rsp); 65 swapgs(); 66 67 /* TLS support - set FS to thread local storage */ 68 write_msr(AMD_MSR_FS, THREAD->arch.tls); 58 CPU->arch.tss->rsp0 = (uintptr_t) &THREAD->kstack[STACK_SIZE]; 59 60 kseg_t *kseg = (kseg_t *) read_msr(AMD_MSR_GS_KERNEL); 61 kseg->kstack_rsp = THREAD->arch.kstack_rsp; 69 62 } 70 63
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