Kernel/armv7 - Added debug serial input

[tpg/acess2.git] / KernelLand / Kernel / arch / armv7 / proc.S

diff --git a/KernelLand/Kernel/arch/armv7/proc.S b/KernelLand/Kernel/arch/armv7/proc.S
index 531de29..d7cc2c2 100644 (file)
--- a/KernelLand/Kernel/arch/armv7/proc.S
+++ b/KernelLand/Kernel/arch/armv7/proc.S
@@ -46,12 +46,11 @@ SwitchTask:
        ldr r1, [sp,#4*10]
        tst r1, r1
        mcrne p15, 0, r1, c2, c0, 0     @ Set TTBR0 to r0
-       mov r1, #0
-       mcrne p15, 0, r1, c8, c7, 0     @ TLBIALL - Invalidate all
+#      mov r1, #1
+       mcrne p15, 0, r1, c8, c7, 0     @ TLBIALL - Invalid user space
 
-       @ Restore SP
+       @ Restore state
        mov sp, r0
-
        bx r2
 
 .return:
@@ -96,9 +95,20 @@ Proc_int_DropToUser:
        cps #16
        mov sp, r1
        mov pc, r0
+.globl User_Signal_Kill
+@ R0: Signal
+User_Signal_Kill:
+       mov r1, r0
+       and r1, #0x00FF
+       orr r1, #0x0200
+       mov r0, #0
+       swi 0
+       b .
 
 .section .rodata
 csProc_CloneInt_NewTaskMessage:
        .asciz "New task PC=%p, R4=%p, sp=%p"
 csProc_CloneInt_OldTaskMessage:
        .asciz "Parent task PC=%p, R4=%p, SP=%p"
+
+@ vim: ft=armv7