diff options
Diffstat (limited to 'src/include/kernel/task.H')
| -rw-r--r-- | src/include/kernel/task.H | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/include/kernel/task.H b/src/include/kernel/task.H index 6cd49028d..b72322d83 100644 --- a/src/include/kernel/task.H +++ b/src/include/kernel/task.H @@ -29,17 +29,17 @@ struct task_t { /** Pointer to the CPU this task is assigned to. */ cpu_t* cpu; - /** Context information. This MUST stay here due to + /** Context information. This MUST stay here due to * save-restore asm code. */ context_t context; - + /** Task ID */ tid_t tid; /** Determines if user-space would like this task pinned to a CPU. * This value is considered a count of the number of times the pinned * as been requested, so pinning can be used recursively. */ uint64_t affinity_pinned; - + // Pointers for queue containers. task_t* prev; task_t* next; @@ -47,4 +47,17 @@ struct task_t enum { TASK_DEFAULT_STACK_SIZE = 4 }; +// Macros for manipulating task's saved contexts. +#define TASK_GETARGN(t, n) (t->context.gprs[n+4]) +#define TASK_GETARG0(t) (TASK_GETARGN(t,0)) +#define TASK_GETARG1(t) (TASK_GETARGN(t,1)) +#define TASK_GETARG2(t) (TASK_GETARGN(t,2)) +#define TASK_GETARG3(t) (TASK_GETARGN(t,3)) +#define TASK_GETARG4(t) (TASK_GETARGN(t,4)) +#define TASK_GETARG5(t) (TASK_GETARGN(t,5)) +#define TASK_GETARG6(t) (TASK_GETARGN(t,6)) +#define TASK_GETARG7(t) (TASK_GETARGN(t,7)) +#define TASK_SETRTN(t, n) (t->context.gprs[3] = (n)) + + #endif |
