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authorThomas Huth <thuth@redhat.com>2021-05-12 19:15:48 +0200
committerThomas Huth <thuth@redhat.com>2021-05-14 12:38:43 +0200
commit052b66e7211af64964e005126eaa3c944b296b0e (patch)
treedad310fc0688009b2259ca72e9426ced70e6c4ef /pc-bios
parent2ed765fdeed88cb5434148f0d6ef27ece3dc063c (diff)
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pc-bios/s390-ccw: Fix inline assembly for older versions of Clang
Clang versions before v11.0 insist on having the %rX or %cX register names instead of just a number. Since our Travis-CI is currently still using Clang v6.0, we have to fix this to avoid failing jobs. Message-Id: <20210512171550.476130-2-thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'pc-bios')
-rw-r--r--pc-bios/s390-ccw/helper.h2
-rw-r--r--pc-bios/s390-ccw/jump2ipl.c4
-rw-r--r--pc-bios/s390-ccw/menu.c8
-rw-r--r--pc-bios/s390-ccw/virtio.c2
4 files changed, 8 insertions, 8 deletions
diff --git a/pc-bios/s390-ccw/helper.h b/pc-bios/s390-ccw/helper.h
index dfcfea0..3d0731c 100644
--- a/pc-bios/s390-ccw/helper.h
+++ b/pc-bios/s390-ccw/helper.h
@@ -31,7 +31,7 @@ static inline void *u32toptr(uint32_t n)
static inline void yield(void)
{
- asm volatile ("diag 0,0,0x44"
+ asm volatile ("diag %%r0,%%r0,0x44"
: :
: "memory", "cc");
}
diff --git a/pc-bios/s390-ccw/jump2ipl.c b/pc-bios/s390-ccw/jump2ipl.c
index 73e4367..78f5f46 100644
--- a/pc-bios/s390-ccw/jump2ipl.c
+++ b/pc-bios/s390-ccw/jump2ipl.c
@@ -64,8 +64,8 @@ void jump_to_IPL_code(uint64_t address)
* We use the load normal reset to keep r15 unchanged. jump_to_IPL_2
* can then use r15 as its stack pointer.
*/
- asm volatile("lghi 1,1\n\t"
- "diag 1,1,0x308\n\t"
+ asm volatile("lghi %%r1,1\n\t"
+ "diag %%r1,%%r1,0x308\n\t"
: : : "1", "memory");
panic("\n! IPL returns !\n");
}
diff --git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
index de8260a..d601952 100644
--- a/pc-bios/s390-ccw/menu.c
+++ b/pc-bios/s390-ccw/menu.c
@@ -36,9 +36,9 @@ static inline void enable_clock_int(void)
uint64_t tmp = 0;
asm volatile(
- "stctg 0,0,%0\n"
+ "stctg %%c0,%%c0,%0\n"
"oi 6+%0, 0x8\n"
- "lctlg 0,0,%0"
+ "lctlg %%c0,%%c0,%0"
: : "Q" (tmp) : "memory"
);
}
@@ -48,9 +48,9 @@ static inline void disable_clock_int(void)
uint64_t tmp = 0;
asm volatile(
- "stctg 0,0,%0\n"
+ "stctg %%c0,%%c0,%0\n"
"ni 6+%0, 0xf7\n"
- "lctlg 0,0,%0"
+ "lctlg %%c0,%%c0,%0"
: : "Q" (tmp) : "memory"
);
}
diff --git a/pc-bios/s390-ccw/virtio.c b/pc-bios/s390-ccw/virtio.c
index ab49840..5d2c6e3 100644
--- a/pc-bios/s390-ccw/virtio.c
+++ b/pc-bios/s390-ccw/virtio.c
@@ -54,7 +54,7 @@ static long kvm_hypercall(unsigned long nr, unsigned long param1,
register ulong r_param3 asm("4") = param3;
register long retval asm("2");
- asm volatile ("diag 2,4,0x500"
+ asm volatile ("diag %%r2,%%r4,0x500"
: "=d" (retval)
: "d" (r_nr), "0" (r_param1), "r"(r_param2), "d"(r_param3)
: "memory", "cc");