baremetal: all examples working, all failures accounted for!

SIMD&FP is now enabled in arm from bootloader.

baremetal/arch/aarch64/el.c

@@ -1,4 +1,4 @@
-/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-exception-level */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-exception-levels */
 
 #include <stdio.h>
 #include <inttypes.h>

baremetal/arch/aarch64/multicore.S

@@ -1,7 +1,8 @@
 /* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-multicore */
 
-.global main
-main:
+#include <lkmc.h>
+
+LKMC_PROLOGUE
     /* Reset spinlock. */
     mov x0, 0
     ldr x1, =spinlock
@@ -65,9 +66,6 @@ spinlock_start:
     /* Hint CPU 0 to enter low power mode. */
     wfe
     cbz x0, spinlock_start
-
-    mov x0, 0
-    ret
-
+LKMC_EPILOGUE
 spinlock:
     .skip 8

baremetal/arch/arm/el.c

@@ -1,4 +1,4 @@
-/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-exception-level */
+/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-exception-levels */
 
 #include <stdio.h>
 #include <inttypes.h>

baremetal/arch/arm/gem5_assert.S

@@ -1,19 +0,0 @@
-/* assert 0x12345678 + 1 == 0x12345679 */
-
-#include <lkmc/m5ops.h>
-
-.global main
-main:
-    adr r0, myvar
-    ldr r1, [r0]
-    add r1, r1, #1
-    str r1, [r0]
-    movw r2, #0x5679
-    movt r2, #0x1234
-    cmp r1, r2
-    beq ok
-    LKMC_M5OPS_FAIL_1_ASM
-ok:
-    LKMC_M5OPS_EXIT_ASM
-myvar:
-    .word 0x12345678

baremetal/arch/arm/multicore.S

@@ -1,16 +1,17 @@
 /* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-multicore */
 
-.global main
-main:
-    mov r0, #0
+#include <lkmc.h>
+
+LKMC_PROLOGUE
+    mov r0, 0
     ldr r1, =spinlock
     str r0, [r1]
     /* Get CPU ID. */
     mrc p15, 0, r1, c0, c0, 5
-    ands r1, r1, #3
+    ands r1, r1, 3
     beq cpu0_only
 cpu1_only:
-    mov r0, #1
+    mov r0, 1
     ldr r1, =spinlock
     str r0, [r1]
     dmb sy
@@ -22,17 +23,16 @@ cpu0_only:
 #if !LKMC_GEM5
     /* PSCI CPU_ON. */
     ldr r0, =0x84000003
-    mov r1, #1
+    mov r1, 1
     ldr r2, =cpu1_only
-    mov r3, #0
+    mov r3, 0
     hvc 0
 #endif
 spinlock_start:
     ldr r0, spinlock
     wfe
-    cmp r0, #0
+    cmp r0, 0
     beq spinlock_start
-    mov r0, #0
-    bx lr
+LKMC_EPILOGUE
 spinlock:
     .skip 4

baremetal/arch/arm/regs.S

@@ -1,9 +1,11 @@
 /* See the aarch64 version. */
-.global main
-main:
+
+#include <lkmc.h>
+
+LKMC_PROLOGUE
     mov r0, #1
     /* test-gdb-r0 */
     mov r1, #2
     /* test-gdb-r1 */
     mov r0, #0
-    bx lr
+LKMC_EPILOGUE

baremetal/arch/arm/return1.S

@@ -1,5 +0,0 @@
-/* https://github.com/cirosantilli/linux-kernel-module-cheat#magic-failure-string */
-.global main
-main:
-    mov r0, #1
-    bx lr