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Pass init EP to spawn child

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This commit is contained in:
Sparchatus 2022-03-28 07:58:55 +00:00
parent 22401e4cb0
commit 24c9fa55a9
3 changed files with 8 additions and 1 deletions
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3
.vscode/c_cpp_properties.json vendored
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@ -15,7 +15,8 @@
"compilerPath": "",
"intelliSenseMode": "gcc-arm64",
"defines": [
"CONFIG_TIMESLICE=80"
"CONFIG_TIMESLICE=80",
"CONFIG_INTERCONNECT_DRIVER_LMP"
]
}
],

1
include/spawn/spawn.h
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@ -48,6 +48,7 @@ struct spawninfo {
// these capabilites are all stored in the taskcn cnode
struct capref cspace_cap_selfep; // < Endpoint to itself. You can get this capability by retyping the dispatcher capability to ObjType_EndPointLMP.
struct capref cspace_cap_initep; // < Endpoint to init
struct capref cspace_cap_dispatcher; // < Contains the dispatcher capability.The dispatcher is the equivalent of a “Process Control Block” in other operating systems. You can create one using dispatcher_create(...);
struct capref cspace_cap_rootcn; // < Contains a capability for the root (L1) CNode.
struct capref cspace_cap_dispframe; // < A capability to the dispatcher frame, used to communicate between a process and the CPU driver.

5
lib/spawn/spawn.c
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@ -362,6 +362,9 @@ errval_t spawn_load_argv(int argc, char *argv[], struct spawninfo *si,
si->cspace_cap_selfep.cnode = si->cspace_l2_cnode_taskcn;
si->cspace_cap_selfep.slot = TASKCN_SLOT_SELFEP;
si->cspace_cap_initep.cnode = si->cspace_l2_cnode_taskcn;
si->cspace_cap_initep.slot = TASKCN_SLOT_INITEP;
si->cspace_cap_dispatcher.cnode = si->cspace_l2_cnode_taskcn;
si->cspace_cap_dispatcher.slot = TASKCN_SLOT_DISPATCHER;
@ -403,6 +406,8 @@ errval_t spawn_load_argv(int argc, char *argv[], struct spawninfo *si,
err = cap_retype(si->cspace_cap_selfep, si->cspace_cap_dispatcher, 0, ObjType_EndPointLMP, 0, 1);
if (err_is_fail(err)) return err;
err = cap_copy(si->cspace_cap_initep, cap_selfep);
if (err_is_fail(err)) return err_push(err, LIB_ERR_CAP_COPY_FAIL);
// - Setup the child's vspace
// afeer: create level 0 page table