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dm: verify the "iasl" version

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This patch does:
- define IASL_MIN_VER in the top-level Makefile and pass it Device Model
- verify the "iasl" version at run time
  if "iasl" version is older than IASL_MIN_VER, refuse to launch the
  post-launched VM and exit directly.

Tracked-On: #7880

Signed-off-by: Shiqing Gao <shiqing.gao@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Shiqing Gao
2022-07-04 09:47:59 +08:00
committed by acrnsi-robot
parent cc309bd973
commit 59b6d7b404
5 changed files with 48 additions and 1 deletions
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36
devicemodel/hw/platform/acpi/acpi.c
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@@ -96,6 +96,9 @@
#define ASL_TEMPLATE "dm.XXXXXXX"
#define ASL_SUFFIX ".aml"
#define ASL_VER_PATTERN "ASL+ Optimizing Compiler/Disassembler version "
#define ASL_VER_STR_LEN 256
static char asl_compiler[MAXPATHLEN] = {0};
uint64_t audio_nhlt_len = 0;
@@ -1150,6 +1153,39 @@ acrn_parse_iasl(char *arg)
return -1;
}
int
check_iasl_version(void)
{
int ret = -1;
static char cmd_iasl_ver[MAXPATHLEN + 10];
static char buf[ASL_VER_STR_LEN];
char *ver_str, *cp;
uint32_t ver, min_ver;
snprintf(cmd_iasl_ver, sizeof(cmd_iasl_ver),
"%s -v", asl_compiler);
FILE *fd_iasl_ver = popen(cmd_iasl_ver, "r");
if (fd_iasl_ver != NULL)
{
while (fgets(buf, ASL_VER_STR_LEN, fd_iasl_ver) != NULL) {
if (strstr(buf, ASL_VER_PATTERN)) {
ver_str = buf + strlen(ASL_VER_PATTERN);
pr_info("iasl version: %s", ver_str);
if ((!dm_strtoui(ver_str, &cp, 10, &ver)) &&
(!dm_strtoui(IASL_MIN_VER, &cp, 10, &min_ver)) &&
(ver >= min_ver)) {
ret = 0;
}
}
}
pclose(fd_iasl_ver);
}
return ret;
}
int
get_iasl_compiler(void)
{