Changeset c7c0b89b in mainline for arch/amd64/src

Timestamp:

2006-04-22T18:05:16Z (20 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

613bc54

Parents:

68091bd

Message:

Added uspace call to enable/disable interrupts.

Location:

arch/amd64/src

Files:

• asm_utils.S (modified) (2 diffs)
• ddi/ddi.c (modified) (2 diffs)
• mm/page.c (modified) (1 diff)

arch/amd64/src/asm_utils.S

@@ -244 +244 @@
         sti
         movq %r9, %rcx      # Exchange last parameter as a third
+        
+        cmp $2, %r8          # Is this SYS_INT_CONTROL
+        je sys_int_ctrl
+        
         call syscall_handler
+sys_end:        
         cli                 # We will be touching stack pointer
                 
@@ -251 +256 @@
         movq 0(%rsp), %rsp
         sysretq
+        
+sys_int_ctrl:
+        mov %rsp, %rsi      # Pointer to flags
+        call ddi_int_control
+        jmp sys_end
+        
                 
 .data

arch/amd64/src/ddi/ddi.c

@@ -35 +35 @@
 #include <arch/pm.h>
 #include <errno.h>
+#include <arch/cpu.h>
 
 /** Enable I/O space range for task.
@@ -91 +92 @@
         return 0;
 }
+
+/** Enable/disable interrupts form syscall
+ *
+ * @param enable If non-zero, interrupts are enabled, otherwise disabled
+ * @param flags CP0 flags register
+ */
+__native ddi_int_control_arch(__native enable, __native *flags)
+{
+        if (enable)
+                *flags |= RFLAGS_IF;
+        else
+                *flags &= ~RFLAGS_IF;
+        return 0;
+}

arch/amd64/src/mm/page.c

@@ -169 +169 @@
         if (!as_page_fault(page)) {
                 print_info_errcode(n, istate);
-                printf("Page fault address: %Q\n", page);
+                printf("Page fault address: %llX\n", page);
                 panic("page fault\n");
         }