mirror of
https://github.com/suyu-emu/horinux.git
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Kent HallandUclydde
0f64a39598
- Some reorg and general cleanup - Improved config setup - My crude attempt at mimicking the HOS scheduler - Runs Super Mario Odyssey !! Co-authored-by: Uclydde <julianbraha@gmail.com>
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2022
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* Kent Hall <kjh2166@columbia.edu>
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*/
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#ifndef _LINUX_HORIZON_H
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#define _LINUX_HORIZON_H
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#include <linux/sizes.h>
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#include <linux/list.h>
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#include <linux/spinlock_types.h>
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#include <asm/processor.h>
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#include <uapi/linux/horizon.h>
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enum hzn_address_space_type {
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HZN_IS_32_BIT = 0,
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HZN_IS_36_BIT = 1,
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HZN_IS_32_BIT_NO_MAP = 2,
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HZN_IS_39_BIT = 3,
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};
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#define HZN_HEAP_REGION_SIZE(tsk) \
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((tsk)->hzn_address_space_type == HZN_IS_39_BIT ? (SZ_4G + SZ_2G) : \
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((tsk)->hzn_address_space_type == HZN_IS_36_BIT ? (SZ_4G + SZ_2G) : SZ_1G))
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#define HZN_ALIAS_CODE_REGION_SIZE(tsk) \
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((tsk)->hzn_address_space_type == HZN_IS_39_BIT ? (SZ_512G - SZ_128M) : \
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((tsk)->hzn_address_space_type == HZN_IS_36_BIT ? (SZ_64G - SZ_2G) : (SZ_4G - SZ_1G)))
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#define HZN_ALIAS_REGION_SIZE(tsk) \
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((tsk)->hzn_address_space_type == HZN_IS_39_BIT ? SZ_64G : \
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((tsk)->hzn_address_space_type == HZN_IS_36_BIT ? (SZ_4G + SZ_2G) : SZ_1G))
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#define HZN_STACK_REGION_SIZE(tsk) \
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((tsk)->hzn_address_space_type == HZN_IS_39_BIT ? SZ_2G : 0) \
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#define HZN_TLS_AREA_START(tsk) \
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((tsk)->thread.uw.tp_value)
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#define HZN_TLS_AREA_END(tsk) \
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(HZN_TLS_AREA_START(tsk) + PAGE_SIZE)
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#define HZN_ALIAS_CODE_REGION_START(tsk) \
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((tsk)->mm->hzn_alias_code_start)
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#define HZN_ALIAS_CODE_REGION_END(tsk) \
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(HZN_ALIAS_CODE_REGION_START(tsk) + HZN_ALIAS_CODE_REGION_SIZE(tsk))
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#define HZN_ALIAS_REGION_START(tsk) \
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((tsk)->mm->hzn_alias_start)
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#define HZN_ALIAS_REGION_END(tsk) \
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(HZN_ALIAS_REGION_START(tsk) + HZN_ALIAS_REGION_SIZE(tsk))
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#define HZN_ADDRESS_SPACE_START 0
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#define HZN_ADDRESS_SPACE_END(tsk) TASK_SIZE_OF(tsk)
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struct task_struct;
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struct page;
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struct hzn_session_handler {
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struct pid *service;
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unsigned long id;
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bool is_domain;
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};
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struct hzn_session_request {
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union {
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struct task_struct *requester;
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unsigned long close_session_id;
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};
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struct page *cmd;
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struct file *handler_file;
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struct list_head entry;
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};
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#define hzn_session_request_free(req) \
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do { \
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if ((req)->cmd) { /* not a close command */ \
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put_page((req)->cmd); \
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fput((req)->handler_file); \
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put_task_struct((req)->requester); \
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} \
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kfree(req); \
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} while(0)
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#define HZN_SESSION_REQUEST_PENDING 0
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#define HZN_SESSION_REQUEST_HANDLED 1
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#define HZN_SESSION_REQUEST_FAILED 2
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#define HZN_PORT_NAME_MAX_LENGTH 11
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struct hzn_named_service {
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char name[HZN_PORT_NAME_MAX_LENGTH + 1];
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struct task_struct *service;
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struct list_head entry;
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};
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extern struct list_head hzn_named_services;
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extern spinlock_t hzn_named_services_lock;
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/*
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* Executable format stuff
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*/
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#define horizon_hdr_check_arch(hdr) \
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((hdr)->is_64bit)
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#define horizon_set_personality() \
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({ \
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clear_thread_flag(TIF_32BIT); \
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current->personality &= ~READ_IMPLIES_EXEC; \
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})
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#endif
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