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[Qemu-devel] [PATCH 2/6] add softmmu_target_strlen
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 2/6] add softmmu_target_strlen |
Date: |
Mon, 3 Aug 2009 07:45:07 -0700 |
Signed-off-by: Nathan Froyd <address@hidden>
---
softmmu-semi.h | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/softmmu-semi.h b/softmmu-semi.h
index 79278cc..a32588a 100644
--- a/softmmu-semi.h
+++ b/softmmu-semi.h
@@ -7,6 +7,12 @@
* This code is licenced under the GPL
*/
+#ifdef __GNUC__
+#define SOFTMMU_UNUSED __attribute__ ((unused))
+#else
+#define SOFTMUU_UNUSED
+#endif
+
static inline uint32_t softmmu_tget32(CPUState *env, uint32_t addr)
{
uint32_t val;
@@ -60,6 +66,23 @@ static char *softmmu_lock_user_string(CPUState *env,
uint32_t addr)
return s;
}
#define lock_user_string(p) softmmu_lock_user_string(env, p)
+
+SOFTMMU_UNUSED
+static int softmmu_target_strlen(CPUState *env, target_ulong addr)
+{
+ uint8_t c;
+ int len;
+
+ len = 0;
+ do {
+ cpu_memory_rw_debug(env, addr + len, &c, 1, 0);
+ len++;
+ } while (c);
+
+ return len - 1;
+}
+#define target_strlen(p) softmmu_target_strlen(env, p)
+
static void softmmu_unlock_user(CPUState *env, void *p, target_ulong addr,
target_ulong len)
{
@@ -68,3 +91,5 @@ static void softmmu_unlock_user(CPUState *env, void *p,
target_ulong addr,
free(p);
}
#define unlock_user(s, args, len) softmmu_unlock_user(env, s, args, len)
+
+#undef SOFTMMU_UNUSED
--
1.6.3.2
- [Qemu-devel] [PATCH 0/6] target-mips: add MDI semihosting, v2, Nathan Froyd, 2009/08/03
- [Qemu-devel] [PATCH 5/6] enable --semihosting option for TARGET_MIPS, Nathan Froyd, 2009/08/03
- [Qemu-devel] [PATCH 1/6] sysemu: add section_callback argument to ELF loader, Nathan Froyd, 2009/08/03
- [Qemu-devel] [PATCH 6/6] gdbstub: add qSymbol handling for TARGET_MIPS, Nathan Froyd, 2009/08/03
- [Qemu-devel] [PATCH 2/6] add softmmu_target_strlen,
Nathan Froyd <=
- [Qemu-devel] [PATCH 3/6] add implementation of MIPS semihosting, Nathan Froyd, 2009/08/03
- [Qemu-devel] [PATCH 4/6] target-mips: add MDI semihosting support to mipssim machine, Nathan Froyd, 2009/08/03