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Fix exception in save/restore of EL2 registers.

Browse source 
Removing FPEXC32_EL2 from the register save/restore routine for EL2
registers since it is already a part of save/restore routine for
fpregs.

Signed-off-by: Max Shvetsov <maksims.svecovs@arm.com>
Change-Id: I5ed45fdbf7c8efa8dcfcd96586328d4f6b256bc4
This commit is contained in:
Max Shvetsov 2020-05-13 18:15:39 +01:00
parent 4108abb4a0
commit 30ee3755d0
2 changed files with 124 additions and 129 deletions
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119
include/lib/el3_runtime/aarch64/context.h
View file

@ -168,76 +168,75 @@
#define CTX_ELR_EL2 U(0x58) #define CTX_ELR_EL2 U(0x58)
#define CTX_ESR_EL2 U(0x60) #define CTX_ESR_EL2 U(0x60)
#define CTX_FAR_EL2 U(0x68) #define CTX_FAR_EL2 U(0x68)
#define CTX_FPEXC32_EL2 U(0x70) #define CTX_HACR_EL2 U(0x70)
#define CTX_HACR_EL2 U(0x78) #define CTX_HCR_EL2 U(0x78)
#define CTX_HCR_EL2 U(0x80) #define CTX_HPFAR_EL2 U(0x80)
#define CTX_HPFAR_EL2 U(0x88) #define CTX_HSTR_EL2 U(0x88)
#define CTX_HSTR_EL2 U(0x90) #define CTX_ICC_SRE_EL2 U(0x90)
#define CTX_ICC_SRE_EL2 U(0x98) #define CTX_ICH_HCR_EL2 U(0x98)
#define CTX_ICH_HCR_EL2 U(0xa0) #define CTX_ICH_VMCR_EL2 U(0xa0)
#define CTX_ICH_VMCR_EL2 U(0xa8) #define CTX_MAIR_EL2 U(0xa8)
#define CTX_MAIR_EL2 U(0xb0) #define CTX_MDCR_EL2 U(0xb0)
#define CTX_MDCR_EL2 U(0xb8) #define CTX_PMSCR_EL2 U(0xb8)
#define CTX_PMSCR_EL2 U(0xc0) #define CTX_SCTLR_EL2 U(0xc0)
#define CTX_SCTLR_EL2 U(0xc8) #define CTX_SPSR_EL2 U(0xc8)
#define CTX_SPSR_EL2 U(0xd0) #define CTX_SP_EL2 U(0xd0)
#define CTX_SP_EL2 U(0xd8) #define CTX_TCR_EL2 U(0xd8)
#define CTX_TCR_EL2 U(0xe0) #define CTX_TPIDR_EL2 U(0xe0)
#define CTX_TPIDR_EL2 U(0xe8) #define CTX_TTBR0_EL2 U(0xe8)
#define CTX_TTBR0_EL2 U(0xf0) #define CTX_VBAR_EL2 U(0xf0)
#define CTX_VBAR_EL2 U(0xf8) #define CTX_VMPIDR_EL2 U(0xf8)
#define CTX_VMPIDR_EL2 U(0x100) #define CTX_VPIDR_EL2 U(0x100)
#define CTX_VPIDR_EL2 U(0x108) #define CTX_VTCR_EL2 U(0x108)
#define CTX_VTCR_EL2 U(0x110) #define CTX_VTTBR_EL2 U(0x110)
#define CTX_VTTBR_EL2 U(0x118)
// Only if MTE registers in use // Only if MTE registers in use
#define CTX_TFSR_EL2 U(0x120) #define CTX_TFSR_EL2 U(0x118)
// Only if ENABLE_MPAM_FOR_LOWER_ELS==1 // Only if ENABLE_MPAM_FOR_LOWER_ELS==1
#define CTX_MPAM2_EL2 U(0x128) #define CTX_MPAM2_EL2 U(0x120)
#define CTX_MPAMHCR_EL2 U(0x130) #define CTX_MPAMHCR_EL2 U(0x128)
#define CTX_MPAMVPM0_EL2 U(0x138) #define CTX_MPAMVPM0_EL2 U(0x130)
#define CTX_MPAMVPM1_EL2 U(0x140) #define CTX_MPAMVPM1_EL2 U(0x138)
#define CTX_MPAMVPM2_EL2 U(0x148) #define CTX_MPAMVPM2_EL2 U(0x140)
#define CTX_MPAMVPM3_EL2 U(0x150) #define CTX_MPAMVPM3_EL2 U(0x148)
#define CTX_MPAMVPM4_EL2 U(0x158) #define CTX_MPAMVPM4_EL2 U(0x150)
#define CTX_MPAMVPM5_EL2 U(0x160) #define CTX_MPAMVPM5_EL2 U(0x158)
#define CTX_MPAMVPM6_EL2 U(0x168) #define CTX_MPAMVPM6_EL2 U(0x160)
#define CTX_MPAMVPM7_EL2 U(0x170) #define CTX_MPAMVPM7_EL2 U(0x168)
#define CTX_MPAMVPMV_EL2 U(0x178) #define CTX_MPAMVPMV_EL2 U(0x170)
// Starting with Armv8.6 // Starting with Armv8.6
#define CTX_HAFGRTR_EL2 U(0x180) #define CTX_HAFGRTR_EL2 U(0x178)
#define CTX_HDFGRTR_EL2 U(0x188) #define CTX_HDFGRTR_EL2 U(0x180)
#define CTX_HDFGWTR_EL2 U(0x190) #define CTX_HDFGWTR_EL2 U(0x188)
#define CTX_HFGITR_EL2 U(0x198) #define CTX_HFGITR_EL2 U(0x190)
#define CTX_HFGRTR_EL2 U(0x1a0) #define CTX_HFGRTR_EL2 U(0x198)
#define CTX_HFGWTR_EL2 U(0x1a8) #define CTX_HFGWTR_EL2 U(0x1a0)
#define CTX_CNTPOFF_EL2 U(0x1b0) #define CTX_CNTPOFF_EL2 U(0x1a8)
// Starting with Armv8.4 // Starting with Armv8.4
#define CTX_CNTHPS_CTL_EL2 U(0x1b8) #define CTX_CNTHPS_CTL_EL2 U(0x1b0)
#define CTX_CNTHPS_CVAL_EL2 U(0x1c0) #define CTX_CNTHPS_CVAL_EL2 U(0x1b8)
#define CTX_CNTHPS_TVAL_EL2 U(0x1c8) #define CTX_CNTHPS_TVAL_EL2 U(0x1c0)
#define CTX_CNTHVS_CTL_EL2 U(0x1d0) #define CTX_CNTHVS_CTL_EL2 U(0x1c8)
#define CTX_CNTHVS_CVAL_EL2 U(0x1d8) #define CTX_CNTHVS_CVAL_EL2 U(0x1d0)
#define CTX_CNTHVS_TVAL_EL2 U(0x1e0) #define CTX_CNTHVS_TVAL_EL2 U(0x1d8)
#define CTX_CNTHV_CTL_EL2 U(0x1e8) #define CTX_CNTHV_CTL_EL2 U(0x1e0)
#define CTX_CNTHV_CVAL_EL2 U(0x1f0) #define CTX_CNTHV_CVAL_EL2 U(0x1e8)
#define CTX_CNTHV_TVAL_EL2 U(0x1f8) #define CTX_CNTHV_TVAL_EL2 U(0x1f0)
#define CTX_CONTEXTIDR_EL2 U(0x200) #define CTX_CONTEXTIDR_EL2 U(0x1f8)
#define CTX_SDER32_EL2 U(0x208) #define CTX_SDER32_EL2 U(0x200)
#define CTX_TTBR1_EL2 U(0x210) #define CTX_TTBR1_EL2 U(0x208)
#define CTX_VDISR_EL2 U(0x218) #define CTX_VDISR_EL2 U(0x210)
#define CTX_VNCR_EL2 U(0x220) #define CTX_VNCR_EL2 U(0x218)
#define CTX_VSESR_EL2 U(0x228) #define CTX_VSESR_EL2 U(0x220)
#define CTX_VSTCR_EL2 U(0x230) #define CTX_VSTCR_EL2 U(0x228)
#define CTX_VSTTBR_EL2 U(0x238) #define CTX_VSTTBR_EL2 U(0x230)
#define CTX_TRFCR_EL2 U(0x240) #define CTX_TRFCR_EL2 U(0x238)
// Starting with Armv8.5 // Starting with Armv8.5
#define CTX_SCXTNUM_EL2 U(0x248) #define CTX_SCXTNUM_EL2 U(0x240)
/* Align to the next 16 byte boundary */ /* Align to the next 16 byte boundary */
#define CTX_EL2_SYSREGS_END U(0x250) #define CTX_EL2_SYSREGS_END U(0x250)

134
lib/el3_runtime/aarch64/context.S
View file

@ -71,53 +71,52 @@ func el2_sysregs_context_save
mrs x15, far_el2 mrs x15, far_el2
stp x14, x15, [x0, #CTX_ESR_EL2] stp x14, x15, [x0, #CTX_ESR_EL2]
mrs x16, fpexc32_el2 mrs x16, hacr_el2
mrs x17, hacr_el2 mrs x17, hcr_el2
stp x16, x17, [x0, #CTX_FPEXC32_EL2] stp x16, x17, [x0, #CTX_HACR_EL2]
mrs x9, hcr_el2 mrs x9, hpfar_el2
mrs x10, hpfar_el2 mrs x10, hstr_el2
stp x9, x10, [x0, #CTX_HCR_EL2] stp x9, x10, [x0, #CTX_HPFAR_EL2]
mrs x11, hstr_el2 mrs x11, ICC_SRE_EL2
mrs x12, ICC_SRE_EL2 mrs x12, ICH_HCR_EL2
stp x11, x12, [x0, #CTX_HSTR_EL2] stp x11, x12, [x0, #CTX_ICC_SRE_EL2]
mrs x13, ICH_HCR_EL2 mrs x13, ICH_VMCR_EL2
mrs x14, ICH_VMCR_EL2 mrs x14, mair_el2
stp x13, x14, [x0, #CTX_ICH_HCR_EL2] stp x13, x14, [x0, #CTX_ICH_VMCR_EL2]
mrs x15, mair_el2 mrs x15, mdcr_el2
mrs x16, mdcr_el2 mrs x16, PMSCR_EL2
stp x15, x16, [x0, #CTX_MAIR_EL2] stp x15, x16, [x0, #CTX_MDCR_EL2]
mrs x17, PMSCR_EL2 mrs x17, sctlr_el2
mrs x9, sctlr_el2 mrs x9, spsr_el2
stp x17, x9, [x0, #CTX_PMSCR_EL2] stp x17, x9, [x0, #CTX_SCTLR_EL2]
mrs x10, spsr_el2 mrs x10, sp_el2
mrs x11, sp_el2 mrs x11, tcr_el2
stp x10, x11, [x0, #CTX_SPSR_EL2] stp x10, x11, [x0, #CTX_SP_EL2]
mrs x12, tcr_el2 mrs x12, tpidr_el2
mrs x13, tpidr_el2 mrs x13, ttbr0_el2
stp x12, x13, [x0, #CTX_TCR_EL2] stp x12, x13, [x0, #CTX_TPIDR_EL2]
mrs x14, ttbr0_el2 mrs x14, vbar_el2
mrs x15, vbar_el2 mrs x15, vmpidr_el2
stp x14, x15, [x0, #CTX_TTBR0_EL2] stp x14, x15, [x0, #CTX_VBAR_EL2]
mrs x16, vmpidr_el2 mrs x16, vpidr_el2
mrs x17, vpidr_el2 mrs x17, vtcr_el2
stp x16, x17, [x0, #CTX_VMPIDR_EL2] stp x16, x17, [x0, #CTX_VPIDR_EL2]
mrs x9, vtcr_el2 mrs x9, vttbr_el2
mrs x10, vttbr_el2 str x9, [x0, #CTX_VTTBR_EL2]
stp x9, x10, [x0, #CTX_VTCR_EL2]
#if CTX_INCLUDE_MTE_REGS #if CTX_INCLUDE_MTE_REGS
mrs x11, TFSR_EL2 mrs x10, TFSR_EL2
str x11, [x0, #CTX_TFSR_EL2] str x10, [x0, #CTX_TFSR_EL2]
#endif #endif
#if ENABLE_MPAM_FOR_LOWER_ELS #if ENABLE_MPAM_FOR_LOWER_ELS
@ -277,51 +276,48 @@ func el2_sysregs_context_restore
msr esr_el2, x14 msr esr_el2, x14
msr far_el2, x15 msr far_el2, x15
ldp x16, x17, [x0, #CTX_FPEXC32_EL2] ldp x16, x17, [x0, #CTX_HACR_EL2]
msr fpexc32_el2, x16 msr hacr_el2, x16
msr hacr_el2, x17 msr hcr_el2, x17
ldp x9, x10, [x0, #CTX_HCR_EL2] ldp x9, x10, [x0, #CTX_HPFAR_EL2]
msr hcr_el2, x9 msr hpfar_el2, x9
msr hpfar_el2, x10 msr hstr_el2, x10
ldp x11, x12, [x0, #CTX_HSTR_EL2] ldp x11, x12, [x0, #CTX_ICC_SRE_EL2]
msr hstr_el2, x11 msr ICC_SRE_EL2, x11
msr ICC_SRE_EL2, x12 msr ICH_HCR_EL2, x12
ldp x13, x14, [x0, #CTX_ICH_HCR_EL2] ldp x13, x14, [x0, #CTX_ICH_VMCR_EL2]
msr ICH_HCR_EL2, x13 msr ICH_VMCR_EL2, x13
msr ICH_VMCR_EL2, x14 msr mair_el2, x14
ldp x15, x16, [x0, #CTX_MAIR_EL2] ldp x15, x16, [x0, #CTX_MDCR_EL2]
msr mair_el2, x15 msr mdcr_el2, x15
msr mdcr_el2, x16 msr PMSCR_EL2, x16
ldr x17, [x0, #CTX_PMSCR_EL2] ldp x17, x9, [x0, #CTX_SPSR_EL2]
msr PMSCR_EL2, x17 msr spsr_el2, x17
msr sp_el2, x9
ldp x10, x11, [x0, #CTX_SPSR_EL2] ldp x10, x11, [x0, #CTX_TPIDR_EL2]
msr spsr_el2, x10 msr tpidr_el2, x10
msr sp_el2, x11 msr ttbr0_el2, x11
ldr x12, [x0, #CTX_TPIDR_EL2] ldp x12, x13, [x0, #CTX_VBAR_EL2]
msr tpidr_el2, x12 msr vbar_el2, x12
msr vmpidr_el2, x13
ldp x14, x15, [x0, #CTX_TTBR0_EL2] ldp x14, x15, [x0, #CTX_VPIDR_EL2]
msr ttbr0_el2, x14 msr vpidr_el2, x14
msr vbar_el2, x15 msr vtcr_el2, x15
ldp x16, x17, [x0, #CTX_VMPIDR_EL2] ldr x16, [x0, #CTX_VTTBR_EL2]
msr vmpidr_el2, x16 msr vttbr_el2, x16
msr vpidr_el2, x17
ldp x9, x10, [x0, #CTX_VTCR_EL2]
msr vtcr_el2, x9
msr vttbr_el2, x10
#if CTX_INCLUDE_MTE_REGS #if CTX_INCLUDE_MTE_REGS
ldr x11, [x0, #CTX_TFSR_EL2] ldr x17, [x0, #CTX_TFSR_EL2]
msr TFSR_EL2, x11 msr TFSR_EL2, x17
#endif #endif
#if ENABLE_MPAM_FOR_LOWER_ELS #if ENABLE_MPAM_FOR_LOWER_ELS