static int erst_exec_subtract_value(struct apei_exec_context *ctx,
struct acpi_whea_header *entry)
{
int rc;
u64 val;
rc = __apei_exec_read_register(entry, &val);
if (rc)
return rc;
val -= ctx->value;
rc = __apei_exec_write_register(entry, val);
return rc;
}
static int erst_exec_store_var1(struct apei_exec_context *ctx,
struct acpi_whea_header *entry)
{
return __apei_exec_write_register(entry, ctx->var1);
}
int apei_exec_write_register(struct apei_exec_context *ctx,
struct acpi_whea_header *entry)
{
return __apei_exec_write_register(entry, ctx->value);
}
