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Diffstat (limited to 'include/hw/xen/interface/arch-arm.h')
-rw-r--r--include/hw/xen/interface/arch-arm.h37
1 files changed, 18 insertions, 19 deletions
diff --git a/include/hw/xen/interface/arch-arm.h b/include/hw/xen/interface/arch-arm.h
index 94b3151..1528ced 100644
--- a/include/hw/xen/interface/arch-arm.h
+++ b/include/hw/xen/interface/arch-arm.h
@@ -1,26 +1,9 @@
+/* SPDX-License-Identifier: MIT */
/******************************************************************************
* arch-arm.h
*
* Guest OS interface to ARM Xen.
*
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
* Copyright 2011 (C) Citrix Systems
*/
@@ -361,6 +344,7 @@ typedef uint64_t xen_callback_t;
#define PSR_DBG_MASK (1<<9) /* arm64: Debug Exception mask */
#define PSR_IT_MASK (0x0600fc00) /* Thumb If-Then Mask */
#define PSR_JAZELLE (1<<24) /* Jazelle Mode */
+#define PSR_Z (1<<30) /* Zero condition flag */
/* 32 bit modes */
#define PSR_MODE_USR 0x10
@@ -383,7 +367,15 @@ typedef uint64_t xen_callback_t;
#define PSR_MODE_EL1t 0x04
#define PSR_MODE_EL0t 0x00
-#define PSR_GUEST32_INIT (PSR_ABT_MASK|PSR_FIQ_MASK|PSR_IRQ_MASK|PSR_MODE_SVC)
+/*
+ * We set PSR_Z to be able to boot Linux kernel versions with an invalid
+ * encoding of the first 8 NOP instructions. See commit a92882a4d270 in
+ * Linux.
+ *
+ * Note that PSR_Z is also set by U-Boot and QEMU -kernel when loading
+ * zImage kernels on aarch32.
+ */
+#define PSR_GUEST32_INIT (PSR_Z|PSR_ABT_MASK|PSR_FIQ_MASK|PSR_IRQ_MASK|PSR_MODE_SVC)
#define PSR_GUEST64_INIT (PSR_ABT_MASK|PSR_FIQ_MASK|PSR_IRQ_MASK|PSR_MODE_EL1h)
#define SCTLR_GUEST_INIT xen_mk_ullong(0x00c50078)
@@ -398,6 +390,10 @@ typedef uint64_t xen_callback_t;
/* Physical Address Space */
+/* Virtio MMIO mappings */
+#define GUEST_VIRTIO_MMIO_BASE xen_mk_ullong(0x02000000)
+#define GUEST_VIRTIO_MMIO_SIZE xen_mk_ullong(0x00100000)
+
/*
* vGIC mappings: Only one set of mapping is used by the guest.
* Therefore they can overlap.
@@ -484,6 +480,9 @@ typedef uint64_t xen_callback_t;
#define GUEST_VPL011_SPI 32
+#define GUEST_VIRTIO_MMIO_SPI_FIRST 33
+#define GUEST_VIRTIO_MMIO_SPI_LAST 43
+
/* PSCI functions */
#define PSCI_cpu_suspend 0
#define PSCI_cpu_off 1