A whole lot of changes to make the code more device-oriented

This commit is contained in:
2019-12-10 16:25:11 -05:00
parent 572ce57230
commit 941c476251
13 changed files with 311 additions and 258 deletions

View File

@@ -7,8 +7,9 @@ set(CMAKE_ASM_COMPILER /usr/bin/aarch64-linux-gnu-as)
set(CMAKE_OBJCOPY /usr/bin/aarch64-linux-gnu-objcopy)
set(CMAKE_C_FLAGS "-nostdlib -O")
set(PAYLOADS payload_aes)
add_executable(payload_aes aes.c)
set(PAYLOADS payload_aes payload_sysreg)
add_executable(payload_aes src/aes.c)
add_executable(payload_sysreg src/sysreg.c)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/bin)
foreach(BINARY ${PAYLOADS})

View File

@@ -1,57 +0,0 @@
#include "brfunc_aes.h"
#include "brfunc_timing.h"
#include "brfunc_sep.h"
__attribute__ ((section (".payload_text")))
int aes_hw_crypto_command(unsigned int cmd,
void *src,
void *dst,
int len,
unsigned int opts,
void *key,
void *iv)
{
int seeded;
long start = 0, timeout = 0;
CLOCK_GATE(0x3C, 1);
seeded = DPA_SEEDED();
if(!seeded)
{
SEP_CREATE_SEND_DPA_MESSAGE();
start = SYSTEM_TIME();
while(!seeded && !timeout)
{
seeded = DPA_SEEDED();
timeout = TIME_HAS_ELAPSED(start, 1000);
}
}
if(timeout) return -1;
unsigned int key_command = CREATE_KEY_COMMAND(0, 0, 0, 0, 1, 0, 0, 0);
*rAES_INT_STATUS = 0x20;
*rAES_CONTROL = 1;
PUSH_COMMAND_KEY(key_command, key);
PUSH_COMMAND_IV(0, 0, 0, iv);
PUSH_COMMAND_DATA(0, 0, src, dst, len);
PUSH_COMMAND_FLAG(0, 1, 1);
WAIT_FOR_COMMAND_FLAG();
*rAES_CONTROL = 2;
CLOCK_GATE(0x3C, 0);
return 0;
}
int _start(unsigned int cmd,
void *src,
void *dst,
int len,
unsigned int opts,
void *key,
void *iv)
{
return aes_hw_crypto_command(cmd, src, dst, len, opts, key, iv);
}