From: Stefan Weil <sw@weilnetz.de>
To: qemu-devel <qemu-devel@nongnu.org>
Cc: qemu-trivial <qemu-trivial@nongnu.org>,
Stefan Weil <sw@weilnetz.de>,
qemu-stable <qemu-stable@nongnu.org>,
Richard Henderson <rth@twiddle.net>
Subject: [Qemu-devel] [PATCH] tci: Fix qemu-alpha on 32 bit hosts (wrong assertions)
Date: Thu, 12 Sep 2013 20:17:50 +0200 [thread overview]
Message-ID: <1379009870-18323-1-git-send-email-sw@weilnetz.de> (raw)
Debian busybox-static for alpha has a load address of 0x0000000120000000
which is mapped to 0x0000000020000000 for 32 bit hosts.
qemu-alpha uses the TCG opcodes qemu_ld32, qemu_ld64, qemu_st32 and
qemu_st64 which all raise the assertion (taddr == host_addr).
Remove all assertions of this type because they are either wrong or
unnecessary (when sizeof(tcg_target_ulong) >= sizeof(target_ulong)).
Cc: qemu-stable <qemu-stable@nongnu.org>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
tci.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/tci.c b/tci.c
index cea7234..0202ed9 100644
--- a/tci.c
+++ b/tci.c
@@ -1093,7 +1093,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
tmp8 = *(uint8_t *)(host_addr + GUEST_BASE);
#endif
tci_write_reg8(t0, tmp8);
@@ -1105,7 +1104,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
tmp8 = *(uint8_t *)(host_addr + GUEST_BASE);
#endif
tci_write_reg8s(t0, tmp8);
@@ -1117,7 +1115,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg16(t0, tmp16);
@@ -1129,7 +1126,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg16s(t0, tmp16);
@@ -1142,7 +1138,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg32(t0, tmp32);
@@ -1154,7 +1149,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg32s(t0, tmp32);
@@ -1167,7 +1161,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg32(t0, tmp32);
@@ -1182,7 +1175,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
tmp64 = helper_ldq_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
tmp64 = tswap64(*(uint64_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg(t0, tmp64);
@@ -1198,7 +1190,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
helper_stb_mmu(env, taddr, t0, t2);
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
*(uint8_t *)(host_addr + GUEST_BASE) = t0;
#endif
break;
@@ -1210,7 +1201,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
helper_stw_mmu(env, taddr, t0, t2);
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
*(uint16_t *)(host_addr + GUEST_BASE) = tswap16(t0);
#endif
break;
@@ -1222,7 +1212,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
helper_stl_mmu(env, taddr, t0, t2);
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
*(uint32_t *)(host_addr + GUEST_BASE) = tswap32(t0);
#endif
break;
@@ -1234,7 +1223,6 @@ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
helper_stq_mmu(env, taddr, tmp64, t2);
#else
host_addr = (tcg_target_ulong)taddr;
- assert(taddr == host_addr);
*(uint64_t *)(host_addr + GUEST_BASE) = tswap64(tmp64);
#endif
break;
--
1.7.10.4
next reply other threads:[~2013-09-12 18:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-12 18:17 Stefan Weil [this message]
2013-09-12 18:39 ` [Qemu-devel] [PATCH] tci: Fix qemu-alpha on 32 bit hosts (wrong assertions) Richard Henderson
2013-09-12 18:57 ` Stefan Weil
2013-09-12 20:07 ` Richard Henderson
2013-09-12 20:28 ` Stefan Weil
2013-09-12 20:44 ` Stefan Weil
2013-09-14 9:02 ` [Qemu-devel] [Qemu-trivial] " Michael Tokarev
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