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Add dynamic allocation

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This commit is contained in:
Gregor Haas
2020-02-09 12:29:55 -05:00
parent 79d3b72d15
commit cd3eb5edf0
6 changed files with 163 additions and 88 deletions
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21
c8_libpayload/pl/src/aes_sw.c
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@@ -162,24 +162,21 @@ void aes128_encrypt_ecb(unsigned char *msg, unsigned int msg_len, unsigned char
TEXT_SECTION
unsigned long long _start(unsigned char *msg, unsigned int msg_len, unsigned char *key,
unsigned char sbox[16][16], unsigned char rc_lookup[11],
unsigned char mul2[256], unsigned char mul3[256])
unsigned char sbox[16][16], unsigned char rc_lookup[11],
unsigned char mul2[256], unsigned char mul3[256])
{
unsigned long long start = 0, end = 0;
unsigned long long timer_deadline_enter = 0x10000b874;
unsigned long long halt = 0x1000004fc;
while(1)
{
__asm__ volatile ("mrs %0, cntpct_el0" : "=r" (start));
aes128_encrypt_ecb(msg, msg_len, key, sbox, rc_lookup, mul2, mul3);
__asm__ volatile ("mrs %0, cntpct_el0" : "=r" (end));
__asm__ volatile ("mrs %0, cntpct_el0" : "=r" (start));
aes128_encrypt_ecb(msg, msg_len, key, sbox, rc_lookup, mul2, mul3);
__asm__ volatile ("mrs %0, cntpct_el0" : "=r" (end));
if(2 * end - start - 64 > 0)
{
((BOOTROM_FUNC) timer_deadline_enter)(2 * end - start - 64, ((BOOTROM_FUNC) 0x10000b924));
((BOOTROM_FUNC) halt)();
}
if(2 * end - start - 64 > 0)
{
((BOOTROM_FUNC) timer_deadline_enter)(2 * end - start - 64, ((BOOTROM_FUNC) 0x10000b924));
((BOOTROM_FUNC) halt)();
}
return end - start;