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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-07-31 22:24:29 +0300 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-07-31 22:24:29 +0300 |
| commit | 6ad1b899ed93f8bc110cdec7a722c8740f9f8d66 (patch) | |
| tree | 99fe36028ffc4583c59e77d03bea2ade7a6c5ace /common/uapi | |
| parent | 3212707a9ab549119ad0ad6441a07fe774c99f3b (diff) | |
| download | kmi-6ad1b899ed93f8bc110cdec7a722c8740f9f8d66.tar.gz kmi-6ad1b899ed93f8bc110cdec7a722c8740f9f8d66.zip | |
start working on irqs
Diffstat (limited to 'common/uapi')
| -rw-r--r-- | common/uapi/dispatch.c | 1 | ||||
| -rw-r--r-- | common/uapi/irq.c | 28 | ||||
| -rw-r--r-- | common/uapi/proc.c | 1 |
3 files changed, 30 insertions, 0 deletions
diff --git a/common/uapi/dispatch.c b/common/uapi/dispatch.c index a9caa1e..5b523cc 100644 --- a/common/uapi/dispatch.c +++ b/common/uapi/dispatch.c @@ -76,6 +76,7 @@ void handle_syscall(sys_arg_t syscall, sys_arg_t a, sys_arg_t b, case SYS_GET_CAP: sys_get_cap(t, a, b, c, d, e); break; case SYS_CLEAR_CAP: sys_clear_cap(t, a, b, c, d, e); break; case SYS_POWEROFF: sys_poweroff(t, a, b, c, d, e); break; + case SYS_IRQ_REQ: sys_irq_req(t, a, b, c, d, e); break; default: error("Syscall %zu outside allowed range [0 - %i]\n", syscall, SYS_NUM - 1); diff --git a/common/uapi/irq.c b/common/uapi/irq.c new file mode 100644 index 0000000..3aa040e --- /dev/null +++ b/common/uapi/irq.c @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: copyleft-next-0.3.1 */ + +/** + * @file irq.c + * IRQ request syscall handling implementation. + */ + +#include <kmi/uapi.h> +#include <kmi/irq.h> + +/** + * Actual IRQ handling request syscall handler. + * + * @param t Current tcb. + * @param id IRQ id to request to handle. + * + * @return OK on success, non-zero otherwise. + */ +SYSCALL_DEFINE1(irq_req)(struct tcb *t, sys_arg_t id) +{ + if (!has_cap(t->caps, CAP_IRQ)) + return_args1(t, ERR_PERM); + + if (!t->callback) + return_args1(t, ERR_NF); + + return_args1(t, register_irq(t, id)); +} diff --git a/common/uapi/proc.c b/common/uapi/proc.c index 0ec19fb..b6018b8 100644 --- a/common/uapi/proc.c +++ b/common/uapi/proc.c @@ -151,6 +151,7 @@ SYSCALL_DEFINE1(kill)(struct tcb *t, sys_arg_t tid) return_args1(t, ERR_PERM); /** @todo implement */ + /** @todo remember to unregister IRQ handlers */ return_args1(t, OK); } |