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Optimize session connection and buddy.

This commit is contained in:
TXuian 2024-04-24 14:31:00 +08:00
parent fc380de895
commit 213a92330e
8 changed files with 62 additions and 7 deletions
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1
Ubiquitous/XiZi_AIoT/hardkernel/mmu/arm/armv7-a/cortex-a9/imx6q-sabrelite/memlayout.h
View File

@ -60,6 +60,7 @@ Modification:
#define USER_MEM_BASE (0x00000000)
#define USER_MEM_TOP DEV_VRTMEM_BASE
#define USER_IPC_SPACE_BASE (0x70000000)
#define USER_IPC_USE_ALLOCATOR_WATERMARK (0x70010000)
#define USER_IPC_SPACE_TOP (USER_MEM_TOP - USER_STACK_SIZE)
/* Deivce memory layout */

3
Ubiquitous/XiZi_AIoT/hardkernel/mmu/arm/armv7-a/cortex-a9/zynq7000-zc702/memlayout.h
View File

@ -53,13 +53,14 @@ Modification:
#define NUM_TOPLEVEL_PDE NUM_LEVEL3_PDE
#define PAGE_SIZE LEVEL4_PTE_SIZE
#define MAX_NR_FREE_PAGES ((PHY_MEM_STOP - PHY_MEM_BASE) >> LEVEL4_PTE_SHIFT)
#define MAX_NR_FREE_PAGES ((PHY_USER_FREEMEM_BASE - PHY_MEM_BASE) >> LEVEL4_PTE_SHIFT)
/* User memory layout */
#define USER_STACK_SIZE PAGE_SIZE
#define USER_MEM_BASE (0x00000000)
#define USER_MEM_TOP DEV_VRTMEM_BASE
#define USER_IPC_SPACE_BASE (0x70000000)
#define USER_IPC_USE_ALLOCATOR_WATERMARK (0x70010000)
#define USER_IPC_SPACE_TOP (USER_MEM_TOP - USER_STACK_SIZE)
/* Deivce memory layout */

6
Ubiquitous/XiZi_AIoT/softkernel/include/buddy.h
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@ -68,7 +68,6 @@ struct KFreeList {
struct double_list_node list_head;
};
#define MAX_NR_PAGES MAX_NR_FREE_PAGES
struct KBuddy {
uint32_t n_pages;
uint32_t use_lock;
@ -77,7 +76,7 @@ struct KBuddy {
struct KPage* first_page;
uint32_t mem_start;
uint32_t mem_end;
struct KPage pages[MAX_NR_PAGES];
struct KPage* pages;
};
/*********************************************
@ -89,6 +88,7 @@ struct KBuddy {
* @param mem_end free memory region end
* @return void
*/
bool KBuddyInit(struct KBuddy* pbuddy, uint32_t mem_start, uint32_t mem_end);
void KBuddySysInit(struct KBuddy* pbuddy, uint32_t mem_start, uint32_t mem_end);
/*
@ -105,6 +105,8 @@ char* KBuddyAlloc(struct KBuddy* pbuddy, uint32_t size);
*/
bool KBuddyFree(struct KBuddy* pbuddy, char* vaddr);
void KBuddyDestory(struct KBuddy* pbuddy);
/*
* Print current free pages for debug.
*/

3
Ubiquitous/XiZi_AIoT/softkernel/include/task.h
View File

@ -31,6 +31,7 @@ Modification:
#include "core.h"
#include "buddy.h"
#include "list.h"
#include "object_allocator.h"
#include "pagetable.h"
@ -80,6 +81,7 @@ struct TaskMicroDescriptor {
/* task communication resources */
struct double_list_node cli_sess_listhead;
struct double_list_node svr_sess_listhead;
struct KBuddy* massive_ipc_allocator;
struct TraceTag server_identifier;
/* task schedule attributes */
@ -98,6 +100,7 @@ struct SchedulerRightGroup {
struct XiziTaskManager {
struct double_list_node task_list_head[TASK_MAX_PRIORITY]; /* list of task control blocks that are allocated */
struct slab_allocator task_allocator;
struct slab_allocator task_buddy_allocator;
uint32_t next_pid;
/* init task manager */

27
Ubiquitous/XiZi_AIoT/softkernel/memory/buddy.c
View File

@ -29,6 +29,7 @@ Modification:
*************************************************/
#include "buddy.h"
#include "kalloc.h"
#include "log.h"
static void _buddy_split_page(struct KPage* page, uint32_t low_order, uint32_t high_order, struct KFreeList* list)
@ -138,8 +139,15 @@ static void KBuddyPagesFree(struct KBuddy* pbuddy, struct KPage* page)
return;
}
void KBuddySysInit(struct KBuddy* pbuddy, uint32_t mem_start, uint32_t mem_end)
bool KBuddyInit(struct KBuddy* pbuddy, uint32_t mem_start, uint32_t mem_end)
{
if (pbuddy->pages == NULL) {
if ((pbuddy->pages = (struct KPage*)kalloc(((mem_end - mem_start) >> LEVEL4_PTE_SHIFT) * sizeof(struct KPage))) == NULL) {
ERROR("Not space to init a buddy object.\n");
return false;
}
}
uint32_t i = 0;
struct KPage* page = NULL;
struct KFreeList* free_list = NULL;
@ -173,6 +181,16 @@ void KBuddySysInit(struct KBuddy* pbuddy, uint32_t mem_start, uint32_t mem_end)
doubleListNodeInit(&page->node);
KBuddyPagesFree(pbuddy, page);
}
return true;
}
void KBuddySysInit(struct KBuddy* pbuddy, uint32_t mem_start, uint32_t mem_end)
{
#define MAX_NR_PAGES MAX_NR_FREE_PAGES
static struct KPage kern_free_pages[MAX_NR_PAGES];
pbuddy->pages = kern_free_pages;
KBuddyInit(pbuddy, mem_start, mem_end);
}
char* KBuddyAlloc(struct KBuddy* pbuddy, uint32_t size)
@ -211,6 +229,13 @@ bool KBuddyFree(struct KBuddy* pbuddy, char* vaddr)
return true;
}
void KBuddyDestory(struct KBuddy* pbuddy)
{
if (pbuddy->pages) {
kfree((void*)pbuddy->pages);
}
}
void KFreePagesInfo(struct KBuddy* pbuddy)
{
DEBUG("Buddy structure:");

2
Ubiquitous/XiZi_AIoT/softkernel/memory/kalloc.c
View File

@ -45,7 +45,7 @@ bool module_phymem_init()
uint32_t user_freemem_start = PHY_USER_FREEMEM_BASE;
uint32_t user_freemem_end = PHY_MEM_STOP;
KBuddySysInit(&kern_virtmem_buddy, kern_freemem_start, kern_freemem_end);
KBuddySysInit(&user_phy_freemem_buddy, user_freemem_start, user_freemem_end);
KBuddyInit(&user_phy_freemem_buddy, user_freemem_start, user_freemem_end);
LOG_PRINTF("Free memory organized done.\n");
return true;
}

22
Ubiquitous/XiZi_AIoT/softkernel/memory/share_page.c
View File

@ -92,8 +92,23 @@ static uintptr_t map_task_share_page(struct TaskMicroDescriptor* task, const uin
struct MmuCommonDone* p_mmu_driver = AchieveResource(&right_group.mmu_driver_tag);
// map double vaddr page to support uniform ring buffer r/w
uintptr_t vaddr = alloc_share_page_addr(task, nr_pages * 2);
if (UNLIKELY(vaddr == 0)) {
uintptr_t vaddr = (uintptr_t)NULL;
if (task->massive_ipc_allocator != NULL) {
vaddr = (uintptr_t)KBuddyAlloc(task->massive_ipc_allocator, PAGE_SIZE * nr_pages * 2);
} else {
vaddr = alloc_share_page_addr(task, nr_pages * 2);
if (vaddr >= USER_IPC_USE_ALLOCATOR_WATERMARK) {
task->massive_ipc_allocator = (struct KBuddy*)slab_alloc(&xizi_task_manager.task_buddy_allocator);
KBuddyInit(task->massive_ipc_allocator, USER_IPC_USE_ALLOCATOR_WATERMARK, USER_IPC_SPACE_TOP);
if (!task->massive_ipc_allocator) {
ERROR("Alloc task buddy failed.\n");
return (uintptr_t)NULL;
}
vaddr = (uintptr_t)KBuddyAlloc(task->massive_ipc_allocator, nr_pages * 2);
}
}
if (UNLIKELY(vaddr == (uintptr_t)NULL)) {
return (uintptr_t)NULL;
}
if (!xizi_pager.map_pages(task->pgdir.pd_addr, vaddr, paddr, nr_pages * PAGE_SIZE, false)) {
@ -149,6 +164,9 @@ void unmap_task_share_pages(struct TaskMicroDescriptor* task, const uintptr_t ta
xizi_pager.unmap_pages(task->pgdir.pd_addr, task_vaddr, nr_pages * PAGE_SIZE);
xizi_pager.unmap_pages(task->pgdir.pd_addr, task_vaddr + (nr_pages * PAGE_SIZE), nr_pages * PAGE_SIZE);
if (task_vaddr >= USER_IPC_USE_ALLOCATOR_WATERMARK) {
KBuddyFree(task->massive_ipc_allocator, (void*)task_vaddr);
}
if (task == cur_cpu()->task) {
p_mmu_driver->TlbFlush(task_vaddr, 2 * nr_pages * PAGE_SIZE);

5
Ubiquitous/XiZi_AIoT/softkernel/task/task.c
View File

@ -49,6 +49,7 @@ static void _task_manager_init()
}
// init task (slab) allocator
slab_init(&xizi_task_manager.task_allocator, sizeof(struct TaskMicroDescriptor));
slab_init(&xizi_task_manager.task_buddy_allocator, sizeof(struct KBuddy));
// pid pool
xizi_task_manager.next_pid = 0;
@ -95,6 +96,10 @@ static void _dealloc_task_cb(struct TaskMicroDescriptor* task)
doubleListDel(cur_node);
// free task back to allocator
if (task->massive_ipc_allocator != NULL) {
KBuddyDestory(task->massive_ipc_allocator);
slab_free(&xizi_task_manager.task_buddy_allocator, (void*)task->massive_ipc_allocator);
}
slab_free(&xizi_task_manager.task_allocator, (void*)task);
// remove priority