payloads/libpayload/sample/arch_mock/hello_mocks.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <libpayload-config.h>
   4 #include <arch/types.h>
   5 #include <stddef.h>
   6 #include <unistd.h>
   7 #include <stdio.h>
   8
   9 /* Use libc version. calling exit() or abort() would cause infinite recursion */
  10 __attribute__((noreturn))
  11 void _exit(int);
  12
  13 __attribute__((noreturn))
  14 void halt(void)
  15 {
  16         _exit(0);
  17 }
  18
  19 #define TEST_SYMBOL(symbol, value) asm(".set " #symbol ", " #value "\n\t.globl " #symbol)
  20
  21 #define TEST_REGION(region, size) uint8_t _##region[size]; \
  22         TEST_SYMBOL(_e##region, _##region + size); \
  23         TEST_SYMBOL(_##region##_size, size)
  24
  25 TEST_REGION(heap, CONFIG_LP_HEAP_SIZE);
  26
  27 uint64_t timer_raw_value(void)
  28 {
  29         return 0;
  30 }
  31
  32 uint64_t timer_hz(void)
  33 {
  34         return 0;
  35 }
  36
  37 /* Not present in libpayload. Can be used to write to real stdout. */
  38 ssize_t write(int fildes, const void *buf, size_t nbyte);
  39
  40 void console_write(const void *buffer, size_t count)
  41 {
  42         write(1, buffer, count);
  43 }