[PATCH v2 5/5] gas: aarch64: GICv5 hypervisor control system registers
saurabh.jha@arm.com
saurabh.jha@arm.com
Mon Oct 6 14:40:07 GMT 2025
From: Matthieu Longo <matthieu.longo@arm.com>
This patch adds support for hypervisor control registers on AArch64,
available via the Generic Interrupt Controller v5 feature, and enabled
via the +gcie flag.
- ich_apr_el2
- ich_contextr_el2
- ich_hfgitr_el2
- ich_hfgrtr_el2
- ich_hfgwtr_el2
- ich_hppir_el2 (RO)
- ich_ppi_activer[0,1]_el2
- ich_ppi_dvir[0,1]_el2
- ich_ppi_enabler[0,1]_el2
- ich_ppi_pendr[0,1]_el2
- ich_ppi_priorityr[0,15]_el2
- ich_vctlr_el2
- ich_vmcr_el2
---
.../gas/aarch64/sysreg/gcie-sysregs.d | 63 +++++++++++++++++++
.../gas/aarch64/sysreg/gcie-sysregs.s | 35 +++++++++++
opcodes/aarch64-sys-regs.def | 31 +++++++++
3 files changed, 129 insertions(+)
diff --git a/gas/testsuite/gas/aarch64/sysreg/gcie-sysregs.d b/gas/testsuite/gas/aarch64/sysreg/gcie-sysregs.d
index c31fe4bf168..d8865b815e8 100644
--- a/gas/testsuite/gas/aarch64/sysreg/gcie-sysregs.d
+++ b/gas/testsuite/gas/aarch64/sysreg/gcie-sysregs.d
@@ -90,3 +90,66 @@ Disassembly of section \.text:
.*: d538cdc0 mrs x0, icc_ppi_spendr0_el1
.*: d518cde0 msr icc_ppi_spendr1_el1, x0
.*: d538cde0 mrs x0, icc_ppi_spendr1_el1
+.*: d51cc880 msr ich_apr_el2, x0
+.*: d53cc880 mrs x0, ich_apr_el2
+.*: d51ccbc0 msr ich_contextr_el2, x0
+.*: d53ccbc0 mrs x0, ich_contextr_el2
+.*: d51cc9e0 msr ich_hfgitr_el2, x0
+.*: d53cc9e0 mrs x0, ich_hfgitr_el2
+.*: d51cc980 msr ich_hfgrtr_el2, x0
+.*: d53cc980 mrs x0, ich_hfgrtr_el2
+.*: d51cc9c0 msr ich_hfgwtr_el2, x0
+.*: d53cc9c0 mrs x0, ich_hfgwtr_el2
+.*: d53cc8a0 mrs x0, ich_hppir_el2
+.*: d51ccac0 msr ich_ppi_activer0_el2, x0
+.*: d53ccac0 mrs x0, ich_ppi_activer0_el2
+.*: d51ccae0 msr ich_ppi_activer1_el2, x0
+.*: d53ccae0 mrs x0, ich_ppi_activer1_el2
+.*: d51cca00 msr ich_ppi_dvir0_el2, x0
+.*: d53cca00 mrs x0, ich_ppi_dvir0_el2
+.*: d51cca20 msr ich_ppi_dvir1_el2, x0
+.*: d53cca20 mrs x0, ich_ppi_dvir1_el2
+.*: d51cca40 msr ich_ppi_enabler0_el2, x0
+.*: d53cca40 mrs x0, ich_ppi_enabler0_el2
+.*: d51cca60 msr ich_ppi_enabler1_el2, x0
+.*: d53cca60 mrs x0, ich_ppi_enabler1_el2
+.*: d51cca80 msr ich_ppi_pendr0_el2, x0
+.*: d53cca80 mrs x0, ich_ppi_pendr0_el2
+.*: d51ccaa0 msr ich_ppi_pendr1_el2, x0
+.*: d53ccaa0 mrs x0, ich_ppi_pendr1_el2
+.*: d51cce00 msr ich_ppi_priorityr0_el2, x0
+.*: d53cce00 mrs x0, ich_ppi_priorityr0_el2
+.*: d51cce20 msr ich_ppi_priorityr1_el2, x0
+.*: d53cce20 mrs x0, ich_ppi_priorityr1_el2
+.*: d51cce40 msr ich_ppi_priorityr2_el2, x0
+.*: d53cce40 mrs x0, ich_ppi_priorityr2_el2
+.*: d51cce60 msr ich_ppi_priorityr3_el2, x0
+.*: d53cce60 mrs x0, ich_ppi_priorityr3_el2
+.*: d51cce80 msr ich_ppi_priorityr4_el2, x0
+.*: d53cce80 mrs x0, ich_ppi_priorityr4_el2
+.*: d51ccea0 msr ich_ppi_priorityr5_el2, x0
+.*: d53ccea0 mrs x0, ich_ppi_priorityr5_el2
+.*: d51ccec0 msr ich_ppi_priorityr6_el2, x0
+.*: d53ccec0 mrs x0, ich_ppi_priorityr6_el2
+.*: d51ccee0 msr ich_ppi_priorityr7_el2, x0
+.*: d53ccee0 mrs x0, ich_ppi_priorityr7_el2
+.*: d51ccf00 msr ich_ppi_priorityr8_el2, x0
+.*: d53ccf00 mrs x0, ich_ppi_priorityr8_el2
+.*: d51ccf20 msr ich_ppi_priorityr9_el2, x0
+.*: d53ccf20 mrs x0, ich_ppi_priorityr9_el2
+.*: d51ccf40 msr ich_ppi_priorityr10_el2, x0
+.*: d53ccf40 mrs x0, ich_ppi_priorityr10_el2
+.*: d51ccf60 msr ich_ppi_priorityr11_el2, x0
+.*: d53ccf60 mrs x0, ich_ppi_priorityr11_el2
+.*: d51ccf80 msr ich_ppi_priorityr12_el2, x0
+.*: d53ccf80 mrs x0, ich_ppi_priorityr12_el2
+.*: d51ccfa0 msr ich_ppi_priorityr13_el2, x0
+.*: d53ccfa0 mrs x0, ich_ppi_priorityr13_el2
+.*: d51ccfc0 msr ich_ppi_priorityr14_el2, x0
+.*: d53ccfc0 mrs x0, ich_ppi_priorityr14_el2
+.*: d51ccfe0 msr ich_ppi_priorityr15_el2, x0
+.*: d53ccfe0 mrs x0, ich_ppi_priorityr15_el2
+.*: d51ccb80 msr ich_vctlr_el2, x0
+.*: d53ccb80 mrs x0, ich_vctlr_el2
+.*: d51ccbe0 msr ich_vmcr_el2, x0
+.*: d53ccbe0 mrs x0, ich_vmcr_el2
diff --git a/gas/testsuite/gas/aarch64/sysreg/gcie-sysregs.s b/gas/testsuite/gas/aarch64/sysreg/gcie-sysregs.s
index 9bf0a07c6b8..0a0212da52d 100644
--- a/gas/testsuite/gas/aarch64/sysreg/gcie-sysregs.s
+++ b/gas/testsuite/gas/aarch64/sysreg/gcie-sysregs.s
@@ -54,3 +54,38 @@
rw_sys_reg icc_ppi_sactiver1_el1
rw_sys_reg icc_ppi_spendr0_el1
rw_sys_reg icc_ppi_spendr1_el1
+
+ /* Hypervisor control registers. */
+
+ rw_sys_reg ich_apr_el2
+ rw_sys_reg ich_contextr_el2
+ rw_sys_reg ich_hfgitr_el2
+ rw_sys_reg ich_hfgrtr_el2
+ rw_sys_reg ich_hfgwtr_el2
+ rw_sys_reg ich_hppir_el2 w=0
+ rw_sys_reg ich_ppi_activer0_el2
+ rw_sys_reg ich_ppi_activer1_el2
+ rw_sys_reg ich_ppi_dvir0_el2
+ rw_sys_reg ich_ppi_dvir1_el2
+ rw_sys_reg ich_ppi_enabler0_el2
+ rw_sys_reg ich_ppi_enabler1_el2
+ rw_sys_reg ich_ppi_pendr0_el2
+ rw_sys_reg ich_ppi_pendr1_el2
+ rw_sys_reg ich_ppi_priorityr0_el2
+ rw_sys_reg ich_ppi_priorityr1_el2
+ rw_sys_reg ich_ppi_priorityr2_el2
+ rw_sys_reg ich_ppi_priorityr3_el2
+ rw_sys_reg ich_ppi_priorityr4_el2
+ rw_sys_reg ich_ppi_priorityr5_el2
+ rw_sys_reg ich_ppi_priorityr6_el2
+ rw_sys_reg ich_ppi_priorityr7_el2
+ rw_sys_reg ich_ppi_priorityr8_el2
+ rw_sys_reg ich_ppi_priorityr9_el2
+ rw_sys_reg ich_ppi_priorityr10_el2
+ rw_sys_reg ich_ppi_priorityr11_el2
+ rw_sys_reg ich_ppi_priorityr12_el2
+ rw_sys_reg ich_ppi_priorityr13_el2
+ rw_sys_reg ich_ppi_priorityr14_el2
+ rw_sys_reg ich_ppi_priorityr15_el2
+ rw_sys_reg ich_vctlr_el2
+ rw_sys_reg ich_vmcr_el2
diff --git a/opcodes/aarch64-sys-regs.def b/opcodes/aarch64-sys-regs.def
index 6d0eb1de3bd..17c1c9d0c01 100644
--- a/opcodes/aarch64-sys-regs.def
+++ b/opcodes/aarch64-sys-regs.def
@@ -542,9 +542,15 @@
SYSREG ("ich_ap1r1_el2", CPENC (3,4,12,9,1), 0, AARCH64_NO_FEATURES)
SYSREG ("ich_ap1r2_el2", CPENC (3,4,12,9,2), 0, AARCH64_NO_FEATURES)
SYSREG ("ich_ap1r3_el2", CPENC (3,4,12,9,3), 0, AARCH64_NO_FEATURES)
+ SYSREG ("ich_apr_el2", CPENC (3,4,12,8,4), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_contextr_el2", CPENC (3,4,12,11,6), 0, AARCH64_FEATURE (GCIE))
SYSREG ("ich_eisr_el2", CPENC (3,4,12,11,3), F_REG_READ, AARCH64_NO_FEATURES)
SYSREG ("ich_elrsr_el2", CPENC (3,4,12,11,5), F_REG_READ, AARCH64_NO_FEATURES)
SYSREG ("ich_hcr_el2", CPENC (3,4,12,11,0), 0, AARCH64_NO_FEATURES)
+ SYSREG ("ich_hfgitr_el2", CPENC (3,4,12,9,7), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_hfgrtr_el2", CPENC (3,4,12,9,4), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_hfgwtr_el2", CPENC (3,4,12,9,6), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_hppir_el2", CPENC (3,4,12,8,5), F_REG_READ, AARCH64_FEATURE (GCIE))
SYSREG ("ich_lr0_el2", CPENC (3,4,12,12,0), 0, AARCH64_NO_FEATURES)
SYSREG ("ich_lr10_el2", CPENC (3,4,12,13,2), 0, AARCH64_NO_FEATURES)
SYSREG ("ich_lr11_el2", CPENC (3,4,12,13,3), 0, AARCH64_NO_FEATURES)
@@ -562,6 +568,31 @@
SYSREG ("ich_lr8_el2", CPENC (3,4,12,13,0), 0, AARCH64_NO_FEATURES)
SYSREG ("ich_lr9_el2", CPENC (3,4,12,13,1), 0, AARCH64_NO_FEATURES)
SYSREG ("ich_misr_el2", CPENC (3,4,12,11,2), F_REG_READ, AARCH64_NO_FEATURES)
+ SYSREG ("ich_ppi_activer0_el2", CPENC (3,4,12,10,6), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_activer1_el2", CPENC (3,4,12,10,7), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_dvir0_el2", CPENC (3,4,12,10,0), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_dvir1_el2", CPENC (3,4,12,10,1), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_enabler0_el2", CPENC (3,4,12,10,2), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_enabler1_el2", CPENC (3,4,12,10,3), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_pendr0_el2", CPENC (3,4,12,10,4), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_pendr1_el2", CPENC (3,4,12,10,5), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr0_el2", CPENC (3,4,12,14,0), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr1_el2", CPENC (3,4,12,14,1), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr2_el2", CPENC (3,4,12,14,2), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr3_el2", CPENC (3,4,12,14,3), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr4_el2", CPENC (3,4,12,14,4), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr5_el2", CPENC (3,4,12,14,5), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr6_el2", CPENC (3,4,12,14,6), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr7_el2", CPENC (3,4,12,14,7), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr8_el2", CPENC (3,4,12,15,0), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr9_el2", CPENC (3,4,12,15,1), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr10_el2", CPENC (3,4,12,15,2), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr11_el2", CPENC (3,4,12,15,3), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr12_el2", CPENC (3,4,12,15,4), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr13_el2", CPENC (3,4,12,15,5), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr14_el2", CPENC (3,4,12,15,6), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_ppi_priorityr15_el2", CPENC (3,4,12,15,7), 0, AARCH64_FEATURE (GCIE))
+ SYSREG ("ich_vctlr_el2", CPENC (3,4,12,11,4), 0, AARCH64_FEATURE (GCIE))
SYSREG ("ich_vmcr_el2", CPENC (3,4,12,11,7), 0, AARCH64_NO_FEATURES)
SYSREG ("ich_vtr_el2", CPENC (3,4,12,11,1), F_REG_READ, AARCH64_NO_FEATURES)
SYSREG ("id_aa64afr0_el1", CPENC (3,0,0,5,4), F_REG_READ, AARCH64_NO_FEATURES)
--
2.34.1
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