50cb36ce77
Mechanical patch produced running the command documented in scripts/coccinelle/cpu_env.cocci_template header. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20240129164514.73104-8-philmd@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*
|
|
* Helpers for loads and stores
|
|
*
|
|
* Copyright (c) 2007 Jocelyn Mayer
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "cpu.h"
|
|
#include "exec/helper-proto.h"
|
|
#include "exec/exec-all.h"
|
|
#include "exec/cpu_ldst.h"
|
|
|
|
static void do_unaligned_access(CPUAlphaState *env, vaddr addr, uintptr_t retaddr)
|
|
{
|
|
uint64_t pc;
|
|
uint32_t insn;
|
|
|
|
cpu_restore_state(env_cpu(env), retaddr);
|
|
|
|
pc = env->pc;
|
|
insn = cpu_ldl_code(env, pc);
|
|
|
|
env->trap_arg0 = addr;
|
|
env->trap_arg1 = insn >> 26; /* opcode */
|
|
env->trap_arg2 = (insn >> 21) & 31; /* dest regno */
|
|
}
|
|
|
|
#ifdef CONFIG_USER_ONLY
|
|
void alpha_cpu_record_sigbus(CPUState *cs, vaddr addr,
|
|
MMUAccessType access_type, uintptr_t retaddr)
|
|
{
|
|
do_unaligned_access(cpu_env(cs), addr, retaddr);
|
|
}
|
|
#else
|
|
void alpha_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
|
|
MMUAccessType access_type,
|
|
int mmu_idx, uintptr_t retaddr)
|
|
{
|
|
CPUAlphaState *env = cpu_env(cs);
|
|
|
|
do_unaligned_access(env, addr, retaddr);
|
|
cs->exception_index = EXCP_UNALIGN;
|
|
env->error_code = 0;
|
|
cpu_loop_exit(cs);
|
|
}
|
|
|
|
void alpha_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
|
|
vaddr addr, unsigned size,
|
|
MMUAccessType access_type,
|
|
int mmu_idx, MemTxAttrs attrs,
|
|
MemTxResult response, uintptr_t retaddr)
|
|
{
|
|
CPUAlphaState *env = cpu_env(cs);
|
|
|
|
env->trap_arg0 = addr;
|
|
env->trap_arg1 = access_type == MMU_DATA_STORE ? 1 : 0;
|
|
cs->exception_index = EXCP_MCHK;
|
|
env->error_code = 0;
|
|
cpu_loop_exit_restore(cs, retaddr);
|
|
}
|
|
#endif /* CONFIG_USER_ONLY */
|