mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-26 19:51:35 +01:00
c8c4f89854
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.
48 lines
935 B
ArmAsm
48 lines
935 B
ArmAsm
/* https://github.com/cirosantilli/linux-kernel-module-cheat#assembly-registers */
|
|
|
|
#include <lkmc.h>
|
|
|
|
LKMC_PROLOGUE
|
|
|
|
/* 31 64-bit eXtended general purpose registers. */
|
|
mov x0, 0
|
|
mov x1, 1
|
|
mov x2, 2
|
|
mov x3, 3
|
|
mov x4, 4
|
|
mov x5, 5
|
|
mov x6, 6
|
|
mov x7, 7
|
|
mov x8, 8
|
|
mov x9, 9
|
|
mov x10, 10
|
|
mov x11, 11
|
|
mov x12, 12
|
|
mov x13, 13
|
|
mov x14, 14
|
|
mov x15, 15
|
|
mov x16, 16
|
|
mov x17, 17
|
|
mov x18, 18
|
|
mov x19, 19
|
|
mov x20, 20
|
|
mov x21, 21
|
|
mov x22, 22
|
|
mov x23, 23
|
|
mov x24, 24
|
|
mov x25, 25
|
|
mov x26, 26
|
|
mov x27, 27
|
|
mov x28, 28
|
|
mov x29, 29
|
|
|
|
/* x30 is the link register. BL stores the return address here. */
|
|
/*mov x30, 30*/
|
|
|
|
/* W form addresses the lower 4 bytes word, and zeroes the top. */
|
|
ldr x0, =0x1111222233334444
|
|
ldr x1, =0x5555666677778888
|
|
mov w0, w1
|
|
LKMC_ASSERT_EQ(x0, =0x0000000077778888)
|
|
LKMC_EPILOGUE
|