Commit c1bc863a authored by Gleb Natapov's avatar Gleb Natapov Committed by Marcelo Tosatti
Browse files

Test that vcpu does not continue to run after issuing S3.


Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent ce71ddc7
......@@ -33,7 +33,8 @@ tests-common = $(TEST_DIR)/vmexit.flat $(TEST_DIR)/tsc.flat \
$(TEST_DIR)/smptest.flat $(TEST_DIR)/port80.flat \
$(TEST_DIR)/realmode.flat $(TEST_DIR)/msr.flat \
$(TEST_DIR)/hypercall.flat $(TEST_DIR)/sieve.flat \
$(TEST_DIR)/kvmclock_test.flat $(TEST_DIR)/eventinj.flat
$(TEST_DIR)/kvmclock_test.flat $(TEST_DIR)/eventinj.flat \
$(TEST_DIR)/s3.flat
tests-common += api/api-sample
tests-common += api/dirty-log
......@@ -82,6 +83,8 @@ $(TEST_DIR)/kvmclock_test.elf: $(cstart.o) $(TEST_DIR)/kvmclock.o \
$(TEST_DIR)/eventinj.elf: $(cstart.o) $(TEST_DIR)/eventinj.o
$(TEST_DIR)/s3.elf: $(cstart.o) $(TEST_DIR)/s3.o
arch_clean:
$(RM) $(TEST_DIR)/*.o $(TEST_DIR)/*.flat $(TEST_DIR)/*.elf \
$(TEST_DIR)/.*.d $(TEST_DIR)/lib/.*.d $(TEST_DIR)/lib/*.o
......
#include "libcflat.h"
struct rsdp_descriptor { /* Root System Descriptor Pointer */
u64 signature; /* ACPI signature, contains "RSD PTR " */
u8 checksum; /* To make sum of struct == 0 */
u8 oem_id [6]; /* OEM identification */
u8 revision; /* Must be 0 for 1.0, 2 for 2.0 */
u32 rsdt_physical_address; /* 32-bit physical address of RSDT */
u32 length; /* XSDT Length in bytes including hdr */
u64 xsdt_physical_address; /* 64-bit physical address of XSDT */
u8 extended_checksum; /* Checksum of entire table */
u8 reserved [3]; /* Reserved field must be 0 */
};
#define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \
u32 signature; /* ACPI signature (4 ASCII characters) */ \
u32 length; /* Length of table, in bytes, including header */ \
u8 revision; /* ACPI Specification minor version # */ \
u8 checksum; /* To make sum of entire table == 0 */ \
u8 oem_id [6]; /* OEM identification */ \
u8 oem_table_id [8]; /* OEM table identification */ \
u32 oem_revision; /* OEM revision number */ \
u8 asl_compiler_id [4]; /* ASL compiler vendor ID */ \
u32 asl_compiler_revision; /* ASL compiler revision number */
#define RSDT_SIGNATURE 0x54445352
struct rsdt_descriptor_rev1 {
ACPI_TABLE_HEADER_DEF
u32 table_offset_entry[0];
};
#define FACP_SIGNATURE 0x50434146 // FACP
struct fadt_descriptor_rev1
{
ACPI_TABLE_HEADER_DEF /* ACPI common table header */
u32 firmware_ctrl; /* Physical address of FACS */
u32 dsdt; /* Physical address of DSDT */
u8 model; /* System Interrupt Model */
u8 reserved1; /* Reserved */
u16 sci_int; /* System vector of SCI interrupt */
u32 smi_cmd; /* Port address of SMI command port */
u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */
u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */
u8 S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */
u8 reserved2; /* Reserved - must be zero */
u32 pm1a_evt_blk; /* Port address of Power Mgt 1a acpi_event Reg Blk */
u32 pm1b_evt_blk; /* Port address of Power Mgt 1b acpi_event Reg Blk */
u32 pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */
u32 pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */
u32 pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */
u32 pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */
u32 gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */
u32 gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */
u8 pm1_evt_len; /* Byte length of ports at pm1_x_evt_blk */
u8 pm1_cnt_len; /* Byte length of ports at pm1_x_cnt_blk */
u8 pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */
u8 pm_tmr_len; /* Byte Length of ports at pm_tm_blk */
u8 gpe0_blk_len; /* Byte Length of ports at gpe0_blk */
u8 gpe1_blk_len; /* Byte Length of ports at gpe1_blk */
u8 gpe1_base; /* Offset in gpe model where gpe1 events start */
u8 reserved3; /* Reserved */
u16 plvl2_lat; /* Worst case HW latency to enter/exit C2 state */
u16 plvl3_lat; /* Worst case HW latency to enter/exit C3 state */
u16 flush_size; /* Size of area read to flush caches */
u16 flush_stride; /* Stride used in flushing caches */
u8 duty_offset; /* Bit location of duty cycle field in p_cnt reg */
u8 duty_width; /* Bit width of duty cycle field in p_cnt reg */
u8 day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */
u8 mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */
u8 century; /* Index to century in RTC CMOS RAM */
u8 reserved4; /* Reserved */
u8 reserved4a; /* Reserved */
u8 reserved4b; /* Reserved */
};
#define FACS_SIGNATURE 0x53434146 // FACS
struct facs_descriptor_rev1
{
u32 signature; /* ACPI Signature */
u32 length; /* Length of structure, in bytes */
u32 hardware_signature; /* Hardware configuration signature */
u32 firmware_waking_vector; /* ACPI OS waking vector */
u32 global_lock; /* Global Lock */
u32 S4bios_f : 1; /* Indicates if S4BIOS support is present */
u32 reserved1 : 31; /* Must be 0 */
u8 resverved3 [40]; /* Reserved - must be zero */
};
u32* find_resume_vector_addr(void)
{
unsigned long addr;
struct rsdp_descriptor *rsdp;
struct rsdt_descriptor_rev1 *rsdt;
void *end;
int i;
for(addr = 0xf0000; addr < 0x100000; addr += 16) {
rsdp = (void*)addr;
if (rsdp->signature == 0x2052545020445352LL)
break;
}
if (addr == 0x100000) {
printf("Can't find RSDP\n");
return 0;
}
printf("RSDP is at %x\n", rsdp);
rsdt = (void*)(ulong)rsdp->rsdt_physical_address;
if (!rsdt || rsdt->signature != RSDT_SIGNATURE)
return 0;
printf("RSDT is at %x\n", rsdt);
end = (void*)rsdt + rsdt->length;
for (i=0; (void*)&rsdt->table_offset_entry[i] < end; i++) {
struct fadt_descriptor_rev1 *fadt = (void*)(ulong)rsdt->table_offset_entry[i];
struct facs_descriptor_rev1 *facs;
if (!fadt || fadt->signature != FACP_SIGNATURE)
continue;
printf("FADT is at %x\n", fadt);
facs = (void*)(ulong)fadt->firmware_ctrl;
if (!facs || facs->signature != FACS_SIGNATURE)
return 0;
printf("FACS is at %x\n", facs);
return &facs->firmware_waking_vector;
}
return 0;
}
extern char resume_start, resume_end;
int main(int argc, char **argv)
{
volatile u32 *resume_vector_ptr = find_resume_vector_addr();
char *addr, *resume_vec = (void*)0x1000;
*resume_vector_ptr = (u32)(ulong)resume_vec;
printf("resume vector addr is %x\n", resume_vector_ptr);
for (addr = &resume_start; addr < &resume_end; addr++)
*resume_vec++ = *addr;
printf("copy resume code from %x\n", &resume_start);
*(volatile int*)0 = 0;
asm volatile("out %0, %1" :: "a"(0x2400), "d"((short)0xb004):"memory");
while(1)
*(volatile int*)0 = 1;
return 0;
}
asm (
".global resume_start\n"
".global resume_end\n"
".code16\n"
"resume_start:\n"
"mov 0x0, %eax\n"
"mov $0xf4, %dx\n"
"out %eax, %dx\n"
"1: hlt\n"
"jmp 1b\n"
"resume_end:\n"
#ifdef __i386__
".code32\n"
#else
".code64\n"
#endif
);
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