core.cxxm File Reference

Strand context setup and user-mode first-entry trampolines. More...

import arch.s390x.sched.types;
import zxfoundation.base.types;
import zxfoundation.dgp.domain.types;

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Typedefs
using	zxfoundation::sched::strandctx::strand_entry_fn = auto (*)(void*) noexcept -> void
	Kernel-thread entry function type.

Functions
auto	zxfoundation::sched::strandctx::domain_enter_user (domain *d) noexcept -> void
	Overload taking domain* for backward compatibility.
auto	zxfoundation::sched::strandctx::domain_enter_user (strand *s) noexcept -> void
	Enter user mode for a domain.
auto	zxfoundation::sched::strandctx::setup_primary_strand_context (domain *d, strand_entry_fn entry, void *arg) noexcept -> void
	Convenience wrapper — kernel-thread first-switch for the primary strand of a domain.
auto	zxfoundation::sched::strandctx::setup_primary_strand_context_user (domain *d) noexcept -> void
	Convenience wrapper — user-process first-switch for the primary strand of a domain.
auto	zxfoundation::sched::strandctx::setup_strand_context_kernel_thread (strand *s, strand_entry_fn entry, void *arg) noexcept -> void
	Set up the initial kernel stack frame for a strand so that the.
auto	zxfoundation::sched::strandctx::setup_strand_context_user (strand *s, const user_regs *uregs, const domain *owner) noexcept -> void
	Set up the initial kernel stack frame for a strand whose first context switch performs an LPSWE into user mode.

Detailed Description

Strand context setup and user-mode first-entry trampolines.

SPDX-License-Identifier: Apache-2.0

Function Documentation

domain_enter_user() [1/2]

auto zxfoundation::sched::strandctx::domain_enter_user ( domain * d ) ->void

exportnoexcept

Overload taking domain* for backward compatibility.

Overload taking domain* for backward compatibility.

domain_enter_user() [2/2]

auto zxfoundation::sched::strandctx::domain_enter_user ( strand * s ) ->void

exportnoexcept

Enter user mode for a domain.

Enter user mode for a domain at runtime.

Parameters

s	Strand with valid body->uregs; domain accessed via s->owner.

setup_strand_context_kernel_thread()

auto zxfoundation::sched::strandctx::setup_strand_context_kernel_thread ( strand * s, strand_entry_fn entry, void * arg )->void

exportnoexcept

Set up the initial kernel stack frame for a strand so that the.

Parameters

s	Target strand with valid kstack_top
entry	Non-null kernel entry function
arg	Opaque argument passed to entry in r2

setup_strand_context_user()

auto zxfoundation::sched::strandctx::setup_strand_context_user ( strand * s, const user_regs * uregs, const domain * owner )->void

exportnoexcept

Set up the initial kernel stack frame for a strand whose first context switch performs an LPSWE into user mode.

Parameters

s	Target strand with valid kstack_top and body->uregs already populated
uregs	Pointer to the user_regs snapshot
owner	The owning domain, used for ASC normalization and DGP isolation validation.

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