From 2062e7070710989abf7271838efb99cbfbe511d0 Mon Sep 17 00:00:00 2001 From: Brett Weiland Date: Sun, 12 Sep 2021 12:53:33 -0500 Subject: SMP fixed for CPUs with defective cores modified: README.md modified: src/.gdb_history modified: src/bootloader/enter_kernel.asm modified: src/bootloader/gdt.asm modified: src/debug/gdbinit.gdb modified: src/include/int.h modified: src/include/paging.h modified: src/include/smp.h modified: src/include/smp_sync.h modified: src/indigo_os modified: src/kernel/int.c modified: src/kernel/kernel.c modified: src/kernel/klog.c modified: src/kernel/madt.c modified: src/kernel/page.c modified: src/kernel/panic.c modified: src/kernel/printf.c modified: src/kernel/smp.c modified: src/kernel/smp_trampoline.asm modified: .gitignore deleted: src/.gdb_history --- src/include/smp.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'src/include/smp.h') diff --git a/src/include/smp.h b/src/include/smp.h index c4a675a..f4e3aa8 100644 --- a/src/include/smp.h +++ b/src/include/smp.h @@ -1,4 +1,26 @@ #ifndef SMP_INCLUDED #define SMP_INCLUDED +#include void smp_boot(); +extern uint8_t corecount; + +static inline void lock(uint8_t *lock) { + asm("mov al, 1\n" + "spinlock:\n" + "lock xchgb [%0], al\n" + "test al, al\n" + "pause\n" + "jnz spinlock\n" + ::"r"(lock):"al"); +} + +static inline void unlock(uint8_t *lock) { + asm("lock andb [%0], 0"::"r"(lock)); +} + +static inline void waitup(uint8_t *loto) { +} + +#define CREATE_LOTO(name) + #endif -- cgit v1.2.3