* 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
-#include <assert.h>
-#include "exec.h"
+#include "cpu.h"
#include "mmu.h"
-#include "helper.h"
-#include "host-utils.h"
+#include "exec/helper-proto.h"
+#include "qemu/host-utils.h"
+#include "exec/cpu_ldst.h"
//#define CRIS_OP_HELPER_DEBUG
#ifdef CRIS_OP_HELPER_DEBUG
#define D(x) x
-#define D_LOG(...) qemu_log(__VA__ARGS__)
+#define D_LOG(...) qemu_log(__VA_ARGS__)
#else
#define D(x)
#define D_LOG(...) do { } while (0)
#endif
#if !defined(CONFIG_USER_ONLY)
-
-#define MMUSUFFIX _mmu
-
-#define SHIFT 0
-#include "softmmu_template.h"
-
-#define SHIFT 1
-#include "softmmu_template.h"
-
-#define SHIFT 2
-#include "softmmu_template.h"
-
-#define SHIFT 3
-#include "softmmu_template.h"
-
/* Try to fill the TLB and return an exception if error. If retaddr is
NULL, it means that the function was called in C code (i.e. not
from generated code or from helper.c) */
-/* XXX: fix it to restore all registers */
-void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr)
+void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
+ uintptr_t retaddr)
{
- TranslationBlock *tb;
- CPUState *saved_env;
- unsigned long pc;
+ CRISCPU *cpu = CRIS_CPU(cs);
+ CPUCRISState *env = &cpu->env;
int ret;
- /* XXX: hack to restore env in all cases, even if not called from
- generated code */
- saved_env = env;
- env = cpu_single_env;
-
- D_LOG("%s pc=%x tpc=%x ra=%x\n", __func__,
- env->pc, env->debug1, retaddr);
- ret = cpu_cris_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
+ D_LOG("%s pc=%x tpc=%x ra=%p\n", __func__,
+ env->pc, env->pregs[PR_EDA], (void *)retaddr);
+ ret = cris_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
if (unlikely(ret)) {
if (retaddr) {
/* now we have a real cpu fault */
- pc = (unsigned long)retaddr;
- tb = tb_find_pc(pc);
- if (tb) {
- /* the PC is inside the translated code. It means that we have
- a virtual CPU fault */
- cpu_restore_state(tb, env, pc, NULL);
-
+ if (cpu_restore_state(cs, retaddr)) {
/* Evaluate flags after retranslation. */
- helper_top_evaluate_flags();
+ helper_top_evaluate_flags(env);
}
}
- cpu_loop_exit();
+ cpu_loop_exit(cs);
}
- env = saved_env;
}
#endif
-void helper_raise_exception(uint32_t index)
+void helper_raise_exception(CPUCRISState *env, uint32_t index)
{
- env->exception_index = index;
- cpu_loop_exit();
+ CPUState *cs = CPU(cris_env_get_cpu(env));
+
+ cs->exception_index = index;
+ cpu_loop_exit(cs);
}
-void helper_tlb_flush_pid(uint32_t pid)
+void helper_tlb_flush_pid(CPUCRISState *env, uint32_t pid)
{
#if !defined(CONFIG_USER_ONLY)
pid &= 0xff;
#endif
}
-void helper_spc_write(uint32_t new_spc)
+void helper_spc_write(CPUCRISState *env, uint32_t new_spc)
{
#if !defined(CONFIG_USER_ONLY)
- tlb_flush_page(env, env->pregs[PR_SPC]);
- tlb_flush_page(env, new_spc);
+ CRISCPU *cpu = cris_env_get_cpu(env);
+ CPUState *cs = CPU(cpu);
+
+ tlb_flush_page(cs, env->pregs[PR_SPC]);
+ tlb_flush_page(cs, new_spc);
#endif
}
#define EXTRACT_FIELD(src, start, end) \
(((src) >> start) & ((1 << (end - start + 1)) - 1))
-void helper_movl_sreg_reg (uint32_t sreg, uint32_t reg)
+void helper_movl_sreg_reg(CPUCRISState *env, uint32_t sreg, uint32_t reg)
{
+#if !defined(CONFIG_USER_ONLY)
+ CRISCPU *cpu = cris_env_get_cpu(env);
+#endif
uint32_t srs;
srs = env->pregs[PR_SRS];
srs &= 3;
D_LOG("tlb flush vaddr=%x v=%d pc=%x\n",
vaddr, tlb_v, env->pc);
- tlb_flush_page(env, vaddr);
+ if (tlb_v) {
+ tlb_flush_page(CPU(cpu), vaddr);
+ }
}
}
#endif
}
-void helper_movl_reg_sreg (uint32_t reg, uint32_t sreg)
+void helper_movl_reg_sreg(CPUCRISState *env, uint32_t reg, uint32_t sreg)
{
uint32_t srs;
env->pregs[PR_SRS] &= 3;
env->regs[reg] = env->sregs[srs][sreg];
}
-static void cris_ccs_rshift(CPUState *env)
+static void cris_ccs_rshift(CPUCRISState *env)
{
uint32_t ccs;
env->pregs[PR_CCS] = ccs;
}
-void helper_rfe(void)
+void helper_rfe(CPUCRISState *env)
{
int rflag = env->pregs[PR_CCS] & R_FLAG;
env->pregs[PR_CCS] |= P_FLAG;
}
-void helper_rfn(void)
+void helper_rfn(CPUCRISState *env)
{
int rflag = env->pregs[PR_CCS] & R_FLAG;
if (!rflag)
env->pregs[PR_CCS] |= P_FLAG;
- /* Always set the M flag. */
- env->pregs[PR_CCS] |= M_FLAG;
+ /* Always set the M flag. */
+ env->pregs[PR_CCS] |= M_FLAG_V32;
}
uint32_t helper_lz(uint32_t t0)
return clz32(t0);
}
-uint32_t helper_btst(uint32_t t0, uint32_t t1, uint32_t ccs)
+uint32_t helper_btst(CPUCRISState *env, uint32_t t0, uint32_t t1, uint32_t ccs)
{
/* FIXME: clean this up. */
/* Clear the X, N and Z flags. */
ccs = ccs & ~(X_FLAG | N_FLAG | Z_FLAG);
+ if (env->pregs[PR_VR] < 32)
+ ccs &= ~(V_FLAG | C_FLAG);
/* Set the N and Z flags accordingly. */
ccs |= (bset << 3) | (fz << 2);
return ccs;
}
-static inline uint32_t evaluate_flags_writeback(uint32_t flags, uint32_t ccs)
+static inline uint32_t evaluate_flags_writeback(CPUCRISState *env,
+ uint32_t flags, uint32_t ccs)
{
unsigned int x, z, mask;
return ccs;
}
-uint32_t helper_evaluate_flags_muls(uint32_t ccs, uint32_t res, uint32_t mof)
+uint32_t helper_evaluate_flags_muls(CPUCRISState *env,
+ uint32_t ccs, uint32_t res, uint32_t mof)
{
uint32_t flags = 0;
int64_t tmp;
if ((dneg && mof != -1)
|| (!dneg && mof != 0))
flags |= V_FLAG;
- return evaluate_flags_writeback(flags, ccs);
+ return evaluate_flags_writeback(env, flags, ccs);
}
-uint32_t helper_evaluate_flags_mulu(uint32_t ccs, uint32_t res, uint32_t mof)
+uint32_t helper_evaluate_flags_mulu(CPUCRISState *env,
+ uint32_t ccs, uint32_t res, uint32_t mof)
{
uint32_t flags = 0;
uint64_t tmp;
if (mof)
flags |= V_FLAG;
- return evaluate_flags_writeback(flags, ccs);
+ return evaluate_flags_writeback(env, flags, ccs);
}
-uint32_t helper_evaluate_flags_mcp(uint32_t ccs,
+uint32_t helper_evaluate_flags_mcp(CPUCRISState *env, uint32_t ccs,
uint32_t src, uint32_t dst, uint32_t res)
{
uint32_t flags = 0;
flags |= R_FLAG;
}
- return evaluate_flags_writeback(flags, ccs);
+ return evaluate_flags_writeback(env, flags, ccs);
}
-uint32_t helper_evaluate_flags_alu_4(uint32_t ccs,
+uint32_t helper_evaluate_flags_alu_4(CPUCRISState *env, uint32_t ccs,
uint32_t src, uint32_t dst, uint32_t res)
{
uint32_t flags = 0;
flags |= C_FLAG;
}
- return evaluate_flags_writeback(flags, ccs);
+ return evaluate_flags_writeback(env, flags, ccs);
}
-uint32_t helper_evaluate_flags_sub_4(uint32_t ccs,
+uint32_t helper_evaluate_flags_sub_4(CPUCRISState *env, uint32_t ccs,
uint32_t src, uint32_t dst, uint32_t res)
{
uint32_t flags = 0;
}
flags ^= C_FLAG;
- return evaluate_flags_writeback(flags, ccs);
+ return evaluate_flags_writeback(env, flags, ccs);
}
-uint32_t helper_evaluate_flags_move_4(uint32_t ccs, uint32_t res)
+uint32_t helper_evaluate_flags_move_4(CPUCRISState *env,
+ uint32_t ccs, uint32_t res)
{
uint32_t flags = 0;
else if (res == 0L)
flags |= Z_FLAG;
- return evaluate_flags_writeback(flags, ccs);
+ return evaluate_flags_writeback(env, flags, ccs);
}
-uint32_t helper_evaluate_flags_move_2(uint32_t ccs, uint32_t res)
+uint32_t helper_evaluate_flags_move_2(CPUCRISState *env,
+ uint32_t ccs, uint32_t res)
{
uint32_t flags = 0;
else if (res == 0)
flags |= Z_FLAG;
- return evaluate_flags_writeback(flags, ccs);
+ return evaluate_flags_writeback(env, flags, ccs);
}
/* TODO: This is expensive. We could split things up and only evaluate part of
CCR on a need to know basis. For now, we simply re-evaluate everything. */
-void helper_evaluate_flags(void)
+void helper_evaluate_flags(CPUCRISState *env)
{
uint32_t src, dst, res;
uint32_t flags = 0;
if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP)
flags ^= C_FLAG;
- env->pregs[PR_CCS] = evaluate_flags_writeback(flags, env->pregs[PR_CCS]);
+ env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags,
+ env->pregs[PR_CCS]);
}
-void helper_top_evaluate_flags(void)
+void helper_top_evaluate_flags(CPUCRISState *env)
{
switch (env->cc_op)
{
case CC_OP_MCP:
- env->pregs[PR_CCS] = helper_evaluate_flags_mcp(
+ env->pregs[PR_CCS] = helper_evaluate_flags_mcp(env,
env->pregs[PR_CCS], env->cc_src,
env->cc_dest, env->cc_result);
break;
case CC_OP_MULS:
- env->pregs[PR_CCS] = helper_evaluate_flags_muls(
+ env->pregs[PR_CCS] = helper_evaluate_flags_muls(env,
env->pregs[PR_CCS], env->cc_result,
env->pregs[PR_MOF]);
break;
case CC_OP_MULU:
- env->pregs[PR_CCS] = helper_evaluate_flags_mulu(
+ env->pregs[PR_CCS] = helper_evaluate_flags_mulu(env,
env->pregs[PR_CCS], env->cc_result,
env->pregs[PR_MOF]);
break;
{
case 4:
env->pregs[PR_CCS] =
- helper_evaluate_flags_move_4(
+ helper_evaluate_flags_move_4(env,
env->pregs[PR_CCS],
env->cc_result);
break;
case 2:
env->pregs[PR_CCS] =
- helper_evaluate_flags_move_2(
+ helper_evaluate_flags_move_2(env,
env->pregs[PR_CCS],
env->cc_result);
break;
default:
- helper_evaluate_flags();
+ helper_evaluate_flags(env);
break;
}
break;
case CC_OP_CMP:
if (env->cc_size == 4)
env->pregs[PR_CCS] =
- helper_evaluate_flags_sub_4(
+ helper_evaluate_flags_sub_4(env,
env->pregs[PR_CCS],
env->cc_src, env->cc_dest,
env->cc_result);
else
- helper_evaluate_flags();
+ helper_evaluate_flags(env);
break;
default:
{
{
case 4:
env->pregs[PR_CCS] =
- helper_evaluate_flags_alu_4(
+ helper_evaluate_flags_alu_4(env,
env->pregs[PR_CCS],
env->cc_src, env->cc_dest,
env->cc_result);
break;
default:
- helper_evaluate_flags();
+ helper_evaluate_flags(env);
break;
}
}
projects / qemu.git / blobdiff