asm: make use regular asserts that will just work on baremetal

Previously had wonky line pointer in asm_main. New interface simpler and more portable.

Add tests for ASSERT_EQ_ and family in arm and aarch64, previously on x86_64.

ASSERT_EQ_ and family in ARM can now either take =123, =addr or var, before this
the = was added on macros so var was not possible.

Define the main function directly in assembly, the C driver was useless.
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2019-05-23 00:00:00 +00:00
parent 72200dee4e
commit c8c4f89854
90 changed files with 1003 additions and 978 deletions

View File

@@ -1,8 +1,8 @@
/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-movw-and-movt-instructions */
#include "common.h"
#include <lkmc.h>
LKMC_ENTRY
LKMC_PROLOGUE
/* movt (top) and movw (TODO what is w) set the higher
* and lower 16 bits of the register.
@@ -10,7 +10,7 @@ LKMC_ENTRY
movw r0, 0xFFFF
movt r0, 0x1234
add r0, 1
LKMC_ASSERT_EQ(r0, 0x12350000)
LKMC_ASSERT_EQ(r0, =0x12350000)
/* movw also zeroes out the top bits, allowing small 16-bit
* C constants to be assigned in a single instruction.
@@ -22,6 +22,6 @@ LKMC_ENTRY
*/
ldr r0, =0x12345678
movw r0, 0x1111
LKMC_ASSERT_EQ(r0, 0x00001111)
LKMC_ASSERT_EQ(r0, =0x00001111)
LKMC_EXIT
LKMC_EPILOGUE