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Add hypervisor 2-stage translation test #558

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4 changes: 3 additions & 1 deletion isa/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ include $(src_dir)/rv64si/Makefrag
include $(src_dir)/rv64ssvnapot/Makefrag
include $(src_dir)/rv64mi/Makefrag
include $(src_dir)/rv64mzicbo/Makefrag
include $(src_dir)/hypervisor/Makefrag
endif
include $(src_dir)/rv32ui/Makefrag
include $(src_dir)/rv32uc/Makefrag
Expand Down Expand Up @@ -58,7 +59,7 @@ vpath %.S $(src_dir)
$(RISCV_OBJDUMP) $< > $@

%.out: %
$(RISCV_SIM) --isa=rv64gc_zfh_zicboz_svnapot_zicntr_zba_zbb_zbc_zbs --misaligned $< 2> $@
$(RISCV_SIM) --isa=rv64gch_zfh_zicboz_svnapot_zicntr_zba_zbb_zbc_zbs --misaligned $< 2> $@

%.out32: %
$(RISCV_SIM) --isa=rv32gc_zfh_zicboz_svnapot_zicntr_zba_zbb_zbc_zbs --misaligned $< 2> $@
Expand Down Expand Up @@ -116,6 +117,7 @@ $(eval $(call compile_template,rv64mzicbo,-march=rv64g_zicboz -mabi=lp64))
$(eval $(call compile_template,rv64si,-march=rv64g -mabi=lp64))
$(eval $(call compile_template,rv64ssvnapot,-march=rv64g -mabi=lp64))
$(eval $(call compile_template,rv64mi,-march=rv64g -mabi=lp64))
$(eval $(call compile_template,hypervisor,-march=rv64gh -mabi=lp64))
endif

tests_dump = $(addsuffix .dump, $(tests))
Expand Down
136 changes: 136 additions & 0 deletions isa/hypervisor/2-stage_translation.S
Original file line number Diff line number Diff line change
@@ -0,0 +1,136 @@
# See LICENSE for license details.

#*****************************************************************************
# 2-stage_translation.S
#-----------------------------------------------------------------------------
#
# Set 2 stage translation, do a simple load store.
#

#include "riscv_test.h"
#include "test_macros.h"

#define vspt0_gpa 0x0
#define vspt1_gpa 0x1000
#define vspt2_gpa 0x2000
#define GPA 0x200000

RVTEST_RV64M
RVTEST_CODE_BEGIN

li TESTNUM, 2

# map GVA 0x0~0xfff to GPA 0x200000~0x200fff
vs_pt_init:
li t0, vspt1_gpa
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V
sd t0, vspt_0, t1

li t0, vspt2_gpa
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V
sd t0, vspt_1, t1

li t0, GPA
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V | PTE_X | PTE_A | PTE_D | PTE_R | PTE_W
sd t0, vspt_2, t1

init_vsatp:
li a0, (SATP_MODE & ~(SATP_MODE<<1)) * SATP_MODE_SV39
la a1, vspt0_gpa
srl a1, a1, RISCV_PGSHIFT
or a1, a1, a0
csrw vsatp, a1
hfence.vvma


# map GPA 0x200000~0x200fff to data_page
guest_pt_init:
la t0, gpt_1
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V
sd t0, gpt_0, t1

la t0, gpt_2
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V
sd t0, gpt_1, t1

la t0, gpt_3
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V
sd t0, gpt_1 + 8, t1

la t0, vspt_0
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V | PTE_R | PTE_W | PTE_A | PTE_D | PTE_U
sd t0, gpt_2, t1

la t0, vspt_1
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V | PTE_R | PTE_W | PTE_A | PTE_D | PTE_U
sd t0, gpt_2 + 8, t1

la t0, vspt_2
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V | PTE_R | PTE_W | PTE_A | PTE_D | PTE_U
sd t0, gpt_2 + 16, t1

la t0, data_page
srl t0, t0, RISCV_PGSHIFT - PTE_PPN_SHIFT
ori t0, t0, PTE_V | PTE_R | PTE_W | PTE_A | PTE_D | PTE_U
sd t0, gpt_3, t1

init_hgatp:
li a0, (SATP_MODE & ~(SATP_MODE<<1)) * SATP_MODE_SV39
la a1, gpt_0
srl a1, a1, RISCV_PGSHIFT
or a1, a1, a0
csrw hgatp, a1
hfence.gvma

hstatus_init:
li a0, HSTATUS_SPVP
csrs hstatus, a0

la a0, data_page
li a1, 0x12345678
sw a1, 0(a0)

li t0, 0x0
hlv.w t2, 0(t0) # should be 0x12345678
hsv.w t2, 0(t0)
bne t2, a1, fail

RVTEST_PASS

TEST_PASSFAIL

RVTEST_CODE_END

.data
RVTEST_DATA_BEGIN

TEST_DATA

.align 12
vspt_0: .dword 0
.align 12
vspt_1: .dword 0
.align 12
vspt_2: .dword 0

.align 14
gpt_0: .dword 0
.align 14
gpt_1: .dword 0
.align 12
gpt_2: .dword 0
.align 12
gpt_3: .dword 0
.align 12
data_page: .dword 0

RVTEST_DATA_END
8 changes: 8 additions & 0 deletions isa/hypervisor/Makefrag
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
#=======================================================================
# Makefrag for hypervisor tests
#-----------------------------------------------------------------------

hypervisor_sc_tests = \
2-stage-translation \

hypervisor_p_tests = $(addprefix hypervisor-p-, $(hypervisor_sc_tests))