From 236963e7563be3e3f8220dac7bb4af446928e194 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Mon, 24 Jun 2024 22:55:29 -0400 Subject: Clean out for expt Signed-off-by: Ian Moffett --- sys/vm/vm_init.c | 91 -------------------------------------------------------- 1 file changed, 91 deletions(-) delete mode 100644 sys/vm/vm_init.c (limited to 'sys/vm/vm_init.c') diff --git a/sys/vm/vm_init.c b/sys/vm/vm_init.c deleted file mode 100644 index 3087e6e..0000000 --- a/sys/vm/vm_init.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include -#include -#include -#include -#include - -/* - * XXX: As of now, these are constant... It would be nice if we could - * have this value expanded upon request so we can keep it small - * to not hog up resources. Would make it more flexible too :^) - */ -#define DYNALLOC_POOL_SZ 0x400000 /* 4 MiB */ -#define DYNALLOC_POOL_PAGES (DYNALLOC_POOL_SZ / vm_get_page_size()) - -static volatile struct vas kernel_vas; - -/* - * TODO: Move this to a per CPU structure, this kinda sucks - * how it is right now... - */ -static struct vm_ctx bsp_vm_ctx = {0}; - -volatile struct limine_hhdm_request g_hhdm_request = { - .id = LIMINE_HHDM_REQUEST, - .revision = 0 -}; - -struct vm_ctx * -vm_get_ctx(void) -{ - return &bsp_vm_ctx; -} - -/* - * Return the kernel VAS. - */ -struct vas -vm_get_kvas(void) -{ - return kernel_vas; -} - -void -vm_init(void) -{ - void *pool_va; - - kernel_vas = pmap_read_vas(); - if (pmap_init(vm_get_ctx()) != 0) { - panic("Failed to init pmap layer\n"); - } - - /* Setup virtual memory context */ - bsp_vm_ctx.dynalloc_pool_sz = DYNALLOC_POOL_SZ; - bsp_vm_ctx.dynalloc_pool_phys = vm_alloc_pageframe(DYNALLOC_POOL_PAGES); - if (bsp_vm_ctx.dynalloc_pool_phys == 0) { - panic("Failed to allocate dynamic pool\n"); - } - pool_va = PHYS_TO_VIRT(bsp_vm_ctx.dynalloc_pool_phys); - bsp_vm_ctx.tlsf_ctx = tlsf_create_with_pool(pool_va, DYNALLOC_POOL_SZ); - __assert(bsp_vm_ctx.tlsf_ctx != 0); -} -- cgit v1.2.3