diff options
Diffstat (limited to 'sys/kern/kern_cpu.c')
-rw-r--r-- | sys/kern/kern_cpu.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/sys/kern/kern_cpu.c b/sys/kern/kern_cpu.c deleted file mode 100644 index 1779244..0000000 --- a/sys/kern/kern_cpu.c +++ /dev/null @@ -1,76 +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 <sys/cpu.h> -#include <sys/types.h> -#include <sys/panic.h> -#include <sys/machdep.h> -#include <vm/dynalloc.h> -#include <assert.h> - -__MODULE_NAME("kern_cpu"); -__KERNEL_META("$Hyra$: kern_cpu.c, Ian Marco Moffett, " - "Machine independent CPU interface"); - -#define CI_LIST_SZ \ - sizeof(struct cpu_info *) * (MAXCPUS + 1) - -static size_t ncpu = 0; -static struct cpu_info **ci_list = NULL; - -void -cpu_attach(struct cpu_info *ci) -{ - if ((ci->idx = ncpu++) >= (MAXCPUS + 1)) { - panic("Machine core count exceeds MAXCPUS!\n"); - } - - if (ci_list == NULL) { - ci_list = dynalloc(CI_LIST_SZ); - __assert(ci_list != NULL); - } - - ci_list[cpu_index(ci)] = ci; -} - -struct cpu_info * -cpu_get(size_t i) -{ - if (i >= ncpu || ci_list == NULL) { - return NULL; - } - - return ci_list[i]; -} - -size_t -cpu_count(void) -{ - return ncpu; -} |