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[Qemu-devel] [PULL 17/26] target-s390x: add get_per_in_range function
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PULL 17/26] target-s390x: add get_per_in_range function |
Date: |
Wed, 17 Jun 2015 12:43:00 +0200 |
From: Aurelien Jarno <address@hidden>
This function checks if an address is in between the PER starting
address and the PER ending address, taking care of a possible
address range loop.
Signed-off-by: Aurelien Jarno <address@hidden>
Signed-off-by: Alexander Graf <address@hidden>
---
target-s390x/cpu.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index 7cc96e7..d3137be 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -392,6 +392,17 @@ static inline uint8_t get_per_atmid(CPUS390XState *env)
((env->psw.mask & PSW_ASC_ACCREG)? (1 << 2) : 0);
}
+/* Check if an address is within the PER starting address and the PER
+ ending address. The address range might loop. */
+static inline bool get_per_in_range(CPUS390XState *env, uint64_t addr)
+{
+ if (env->cregs[10] <= env->cregs[11]) {
+ return env->cregs[10] <= addr && addr <= env->cregs[11];
+ } else {
+ return env->cregs[10] <= addr || addr <= env->cregs[11];
+ }
+}
+
#ifndef CONFIG_USER_ONLY
/* In several cases of runtime exceptions, we havn't recorded the true
instruction length. Use these codes when raising exceptions in order
--
1.7.12.4
- [Qemu-devel] [PULL 08/26] target-s390x: wire up DIAG IPL in TCG mode, (continued)
- [Qemu-devel] [PULL 08/26] target-s390x: wire up DIAG IPL in TCG mode, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 02/26] s390/ioinst: fix endianness in ioinst_schib_valid, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 18/26] target-s390x: basic PER event handling, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 10/26] target-s390x: wire up I/O instructions in TCG mode, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 21/26] translate-all: fix watchpoints if retranslation not possible, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 14/26] target-s390x: mvc_fast_memmove: access memory through softmmu, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 22/26] target-s390x: PER storage-alteration event support, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 25/26] target-s390x: PER: add Breaking-Event-Address register, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 19/26] target-s390x: PER successful-branching event support, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 24/26] target-s390x: PER instruction-fetch nullification event support, Alexander Graf, 2015/06/17
- [Qemu-devel] [PULL 17/26] target-s390x: add get_per_in_range function,
Alexander Graf <=
- Re: [Qemu-devel] [PULL 00/26] s390 patch queue 2015-06-17, Christian Borntraeger, 2015/06/17
- Re: [Qemu-devel] [PULL 00/26] s390 patch queue 2015-06-17, Peter Maydell, 2015/06/17