Implement fast syscall/sysret for sytem calls

2019-03-13 23:51:29 -07:00
parent 97e8f2c69a
commit f7558e3d18
9 changed files with 77 additions and 21 deletions
--- a/src/kernel/debug.cpp
+++ b/src/kernel/debug.cpp
@@ -6,6 +6,9 @@

 #define print_reg(name, value) cons->printf("         %s: %016lx\n", name, (value));

+size_t __counter_syscall_enter = 0;
+size_t __counter_syscall_sysret = 0;
+
 void
 print_regs(const cpu_state &regs)
 {