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target/cris: Reindent op_helper.c

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Fix all of the coding style errors in this file at once.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-05-06 21:57:43 -07:00
parent 81ff3de728
commit ac4df09f91
1 changed files with 398 additions and 419 deletions
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275
target/cris/op_helper.c
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@ -49,8 +49,9 @@ void helper_tlb_flush_pid(CPUCRISState *env, uint32_t pid)
{ {
#if !defined(CONFIG_USER_ONLY) #if !defined(CONFIG_USER_ONLY)
pid &= 0xff; pid &= 0xff;
if (pid != (env->pregs[PR_PID] & 0xff)) if (pid != (env->pregs[PR_PID] & 0xff)) {
cris_mmu_flush_pid(env, env->pregs[PR_PID]); cris_mmu_flush_pid(env, env->pregs[PR_PID]);
}
#endif #endif
} }
@ -82,12 +83,10 @@ void helper_movl_sreg_reg(CPUCRISState *env, uint32_t sreg, uint32_t reg)
#if !defined(CONFIG_USER_ONLY) #if !defined(CONFIG_USER_ONLY)
if (srs == 1 || srs == 2) { if (srs == 1 || srs == 2) {
if (sreg == 6) { if (sreg == 6) {
/* Writes to tlb-hi write to mm_cause as a side /* Writes to tlb-hi write to mm_cause as a side effect. */
effect. */
env->sregs[SFR_RW_MM_TLB_HI] = env->regs[reg]; env->sregs[SFR_RW_MM_TLB_HI] = env->regs[reg];
env->sregs[SFR_R_MM_CAUSE] = env->regs[reg]; env->sregs[SFR_R_MM_CAUSE] = env->regs[reg];
} } else if (sreg == 5) {
else if (sreg == 5) {
uint32_t set; uint32_t set;
uint32_t idx; uint32_t idx;
uint32_t lo, hi; uint32_t lo, hi;
@ -104,11 +103,9 @@ void helper_movl_sreg_reg(CPUCRISState *env, uint32_t sreg, uint32_t reg)
/* Writes are done via r_mm_cause. */ /* Writes are done via r_mm_cause. */
hi = env->sregs[SFR_R_MM_CAUSE]; hi = env->sregs[SFR_R_MM_CAUSE];
vaddr = EXTRACT_FIELD(env->tlbsets[srs-1][set][idx].hi, vaddr = EXTRACT_FIELD(env->tlbsets[srs - 1][set][idx].hi, 13, 31);
13, 31);
vaddr <<= TARGET_PAGE_BITS; vaddr <<= TARGET_PAGE_BITS;
tlb_v = EXTRACT_FIELD(env->tlbsets[srs-1][set][idx].lo, tlb_v = EXTRACT_FIELD(env->tlbsets[srs - 1][set][idx].lo, 3, 3);
3, 3);
env->tlbsets[srs - 1][set][idx].lo = lo; env->tlbsets[srs - 1][set][idx].lo = lo;
env->tlbsets[srs - 1][set][idx].hi = hi; env->tlbsets[srs - 1][set][idx].hi = hi;
@ -129,8 +126,7 @@ void helper_movl_reg_sreg(CPUCRISState *env, uint32_t reg, uint32_t sreg)
srs = env->pregs[PR_SRS]; srs = env->pregs[PR_SRS];
#if !defined(CONFIG_USER_ONLY) #if !defined(CONFIG_USER_ONLY)
if (srs == 1 || srs == 2) if (srs == 1 || srs == 2) {
{
uint32_t set; uint32_t set;
uint32_t idx; uint32_t idx;
uint32_t lo, hi; uint32_t lo, hi;
@ -157,8 +153,7 @@ static void cris_ccs_rshift(CPUCRISState *env)
/* Apply the ccs shift. */ /* Apply the ccs shift. */
ccs = env->pregs[PR_CCS]; ccs = env->pregs[PR_CCS];
ccs = (ccs & 0xc0000000) | ((ccs & 0x0fffffff) >> 10); ccs = (ccs & 0xc0000000) | ((ccs & 0x0fffffff) >> 10);
if (ccs & U_FLAG) if (ccs & U_FLAG) {
{
/* Enter user mode. */ /* Enter user mode. */
env->ksp = env->regs[R_SP]; env->ksp = env->regs[R_SP];
env->regs[R_SP] = env->pregs[PR_USP]; env->regs[R_SP] = env->pregs[PR_USP];
@ -179,9 +174,10 @@ void helper_rfe(CPUCRISState *env)
cris_ccs_rshift(env); cris_ccs_rshift(env);
/* RFE sets the P_FLAG only if the R_FLAG is not set. */ /* RFE sets the P_FLAG only if the R_FLAG is not set. */
if (!rflag) if (!rflag) {
env->pregs[PR_CCS] |= P_FLAG; env->pregs[PR_CCS] |= P_FLAG;
} }
}
void helper_rfn(CPUCRISState *env) void helper_rfn(CPUCRISState *env)
{ {
@ -195,8 +191,9 @@ void helper_rfn(CPUCRISState *env)
cris_ccs_rshift(env); cris_ccs_rshift(env);
/* Set the P_FLAG only if the R_FLAG is not set. */ /* Set the P_FLAG only if the R_FLAG is not set. */
if (!rflag) if (!rflag) {
env->pregs[PR_CCS] |= P_FLAG; env->pregs[PR_CCS] |= P_FLAG;
}
/* Always set the M flag. */ /* Always set the M flag. */
env->pregs[PR_CCS] |= M_FLAG_V32; env->pregs[PR_CCS] |= M_FLAG_V32;
@ -206,13 +203,15 @@ uint32_t helper_btst(CPUCRISState *env, uint32_t t0, uint32_t t1, uint32_t ccs)
{ {
/* FIXME: clean this up. */ /* FIXME: clean this up. */
/* des ref: /*
The N flag is set according to the selected bit in the dest reg. * des ref:
The Z flag is set if the selected bit and all bits to the right are * The N flag is set according to the selected bit in the dest reg.
zero. * The Z flag is set if the selected bit and all bits to the right are
The X flag is cleared. * zero.
Other flags are left untouched. * The X flag is cleared.
The destination reg is not affected.*/ * Other flags are left untouched.
* The destination reg is not affected.
*/
unsigned int fz, sbit, bset, mask, masked_t0; unsigned int fz, sbit, bset, mask, masked_t0;
sbit = t1 & 31; sbit = t1 & 31;
@ -223,8 +222,9 @@ uint32_t helper_btst(CPUCRISState *env, uint32_t t0, uint32_t t1, uint32_t ccs)
/* Clear the X, N and Z flags. */ /* Clear the X, N and Z flags. */
ccs = ccs & ~(X_FLAG | N_FLAG | Z_FLAG); ccs = ccs & ~(X_FLAG | N_FLAG | Z_FLAG);
if (env->pregs[PR_VR] < 32) if (env->pregs[PR_VR] < 32) {
ccs &= ~(V_FLAG | C_FLAG); ccs &= ~(V_FLAG | C_FLAG);
}
/* Set the N and Z flags accordingly. */ /* Set the N and Z flags accordingly. */
ccs |= (bset << 3) | (fz << 2); ccs |= (bset << 3) | (fz << 2);
return ccs; return ccs;
@ -262,13 +262,14 @@ uint32_t helper_evaluate_flags_muls(CPUCRISState *env,
tmp = mof; tmp = mof;
tmp <<= 32; tmp <<= 32;
tmp |= res; tmp |= res;
if (tmp == 0) if (tmp == 0) {
flags |= Z_FLAG; flags |= Z_FLAG;
else if (tmp < 0) } else if (tmp < 0) {
flags |= N_FLAG; flags |= N_FLAG;
if ((dneg && mof != -1) }
|| (!dneg && mof != 0)) if ((dneg && mof != -1) || (!dneg && mof != 0)) {
flags |= V_FLAG; flags |= V_FLAG;
}
return evaluate_flags_writeback(env, flags, ccs); return evaluate_flags_writeback(env, flags, ccs);
} }
@ -281,12 +282,14 @@ uint32_t helper_evaluate_flags_mulu(CPUCRISState *env,
tmp = mof; tmp = mof;
tmp <<= 32; tmp <<= 32;
tmp |= res; tmp |= res;
if (tmp == 0) if (tmp == 0) {
flags |= Z_FLAG; flags |= Z_FLAG;
else if (tmp >> 63) } else if (tmp >> 63) {
flags |= N_FLAG; flags |= N_FLAG;
if (mof) }
if (mof) {
flags |= V_FLAG; flags |= V_FLAG;
}
return evaluate_flags_writeback(env, flags, ccs); return evaluate_flags_writeback(env, flags, ccs);
} }
@ -299,23 +302,24 @@ uint32_t helper_evaluate_flags_mcp(CPUCRISState *env, uint32_t ccs,
src = src & 0x80000000; src = src & 0x80000000;
dst = dst & 0x80000000; dst = dst & 0x80000000;
if ((res & 0x80000000L) != 0L) if ((res & 0x80000000L) != 0L) {
{
flags |= N_FLAG; flags |= N_FLAG;
if (!src && !dst) if (!src && !dst) {
flags |= V_FLAG; flags |= V_FLAG;
else if (src & dst) } else if (src & dst) {
flags |= R_FLAG; flags |= R_FLAG;
} }
else } else {
{ if (res == 0L) {
if (res == 0L)
flags |= Z_FLAG; flags |= Z_FLAG;
if (src & dst) }
if (src & dst) {
flags |= V_FLAG; flags |= V_FLAG;
if (dst | src) }
if (dst | src) {
flags |= R_FLAG; flags |= R_FLAG;
} }
}
return evaluate_flags_writeback(env, flags, ccs); return evaluate_flags_writeback(env, flags, ccs);
} }
@ -328,23 +332,24 @@ uint32_t helper_evaluate_flags_alu_4(CPUCRISState *env, uint32_t ccs,
src = src & 0x80000000; src = src & 0x80000000;
dst = dst & 0x80000000; dst = dst & 0x80000000;
if ((res & 0x80000000L) != 0L) if ((res & 0x80000000L) != 0L) {
{
flags |= N_FLAG; flags |= N_FLAG;
if (!src && !dst) if (!src && !dst) {
flags |= V_FLAG; flags |= V_FLAG;
else if (src & dst) } else if (src & dst) {
flags |= C_FLAG; flags |= C_FLAG;
} }
else } else {
{ if (res == 0L) {
if (res == 0L)
flags |= Z_FLAG; flags |= Z_FLAG;
if (src & dst) }
if (src & dst) {
flags |= V_FLAG; flags |= V_FLAG;
if (dst | src) }
if (dst | src) {
flags |= C_FLAG; flags |= C_FLAG;
} }
}
return evaluate_flags_writeback(env, flags, ccs); return evaluate_flags_writeback(env, flags, ccs);
} }
@ -357,23 +362,24 @@ uint32_t helper_evaluate_flags_sub_4(CPUCRISState *env, uint32_t ccs,
src = (~src) & 0x80000000; src = (~src) & 0x80000000;
dst = dst & 0x80000000; dst = dst & 0x80000000;
if ((res & 0x80000000L) != 0L) if ((res & 0x80000000L) != 0L) {
{
flags |= N_FLAG; flags |= N_FLAG;
if (!src && !dst) if (!src && !dst) {
flags |= V_FLAG; flags |= V_FLAG;
else if (src & dst) } else if (src & dst) {
flags |= C_FLAG; flags |= C_FLAG;
} }
else } else {
{ if (res == 0L) {
if (res == 0L)
flags |= Z_FLAG; flags |= Z_FLAG;
if (src & dst) }
if (src & dst) {
flags |= V_FLAG; flags |= V_FLAG;
if (dst | src) }
if (dst | src) {
flags |= C_FLAG; flags |= C_FLAG;
} }
}
flags ^= C_FLAG; flags ^= C_FLAG;
return evaluate_flags_writeback(env, flags, ccs); return evaluate_flags_writeback(env, flags, ccs);
@ -384,28 +390,33 @@ uint32_t helper_evaluate_flags_move_4(CPUCRISState *env,
{ {
uint32_t flags = 0; uint32_t flags = 0;
if ((int32_t)res < 0) if ((int32_t)res < 0) {
flags |= N_FLAG; flags |= N_FLAG;
else if (res == 0L) } else if (res == 0L) {
flags |= Z_FLAG; flags |= Z_FLAG;
}
return evaluate_flags_writeback(env, flags, ccs); return evaluate_flags_writeback(env, flags, ccs);
} }
uint32_t helper_evaluate_flags_move_2(CPUCRISState *env, uint32_t helper_evaluate_flags_move_2(CPUCRISState *env,
uint32_t ccs, uint32_t res) uint32_t ccs, uint32_t res)
{ {
uint32_t flags = 0; uint32_t flags = 0;
if ((int16_t)res < 0L) if ((int16_t)res < 0L) {
flags |= N_FLAG; flags |= N_FLAG;
else if (res == 0) } else if (res == 0) {
flags |= Z_FLAG; flags |= Z_FLAG;
}
return evaluate_flags_writeback(env, 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. */ * 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(CPUCRISState *env) void helper_evaluate_flags(CPUCRISState *env)
{ {
uint32_t src, dst, res; uint32_t src, dst, res;
@ -415,112 +426,83 @@ void helper_evaluate_flags(CPUCRISState *env)
dst = env->cc_dest; dst = env->cc_dest;
res = env->cc_result; res = env->cc_result;
if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) {
src = ~src; src = ~src;
/* Now, evaluate the flags. This stuff is based on
Per Zander's CRISv10 simulator. */
switch (env->cc_size)
{
case 1:
if ((res & 0x80L) != 0L)
{
flags |= N_FLAG;
if (((src & 0x80L) == 0L)
&& ((dst & 0x80L) == 0L))
{
flags |= V_FLAG;
} }
else if (((src & 0x80L) != 0L)
&& ((dst & 0x80L) != 0L)) /*
{ * Now, evaluate the flags. This stuff is based on
* Per Zander's CRISv10 simulator.
*/
switch (env->cc_size) {
case 1:
if ((res & 0x80L) != 0L) {
flags |= N_FLAG;
if (((src & 0x80L) == 0L) && ((dst & 0x80L) == 0L)) {
flags |= V_FLAG;
} else if (((src & 0x80L) != 0L) && ((dst & 0x80L) != 0L)) {
flags |= C_FLAG; flags |= C_FLAG;
} }
} } else {
else if ((res & 0xFFL) == 0L) {
{
if ((res & 0xFFL) == 0L)
{
flags |= Z_FLAG; flags |= Z_FLAG;
} }
if (((src & 0x80L) != 0L) if (((src & 0x80L) != 0L) && ((dst & 0x80L) != 0L)) {
&& ((dst & 0x80L) != 0L))
{
flags |= V_FLAG; flags |= V_FLAG;
} }
if ((dst & 0x80L) != 0L if ((dst & 0x80L) != 0L || (src & 0x80L) != 0L) {
|| (src & 0x80L) != 0L)
{
flags |= C_FLAG; flags |= C_FLAG;
} }
} }
break; break;
case 2: case 2:
if ((res & 0x8000L) != 0L) if ((res & 0x8000L) != 0L) {
{
flags |= N_FLAG; flags |= N_FLAG;
if (((src & 0x8000L) == 0L) if (((src & 0x8000L) == 0L) && ((dst & 0x8000L) == 0L)) {
&& ((dst & 0x8000L) == 0L))
{
flags |= V_FLAG; flags |= V_FLAG;
} } else if (((src & 0x8000L) != 0L) && ((dst & 0x8000L) != 0L)) {
else if (((src & 0x8000L) != 0L)
&& ((dst & 0x8000L) != 0L))
{
flags |= C_FLAG; flags |= C_FLAG;
} }
} } else {
else if ((res & 0xFFFFL) == 0L) {
{
if ((res & 0xFFFFL) == 0L)
{
flags |= Z_FLAG; flags |= Z_FLAG;
} }
if (((src & 0x8000L) != 0L) if (((src & 0x8000L) != 0L) && ((dst & 0x8000L) != 0L)) {
&& ((dst & 0x8000L) != 0L))
{
flags |= V_FLAG; flags |= V_FLAG;
} }
if ((dst & 0x8000L) != 0L if ((dst & 0x8000L) != 0L || (src & 0x8000L) != 0L) {
|| (src & 0x8000L) != 0L)
{
flags |= C_FLAG; flags |= C_FLAG;
} }
} }
break; break;
case 4: case 4:
if ((res & 0x80000000L) != 0L) if ((res & 0x80000000L) != 0L) {
{
flags |= N_FLAG; flags |= N_FLAG;
if (((src & 0x80000000L) == 0L) if (((src & 0x80000000L) == 0L) && ((dst & 0x80000000L) == 0L)) {
&& ((dst & 0x80000000L) == 0L))
{
flags |= V_FLAG; flags |= V_FLAG;
} } else if (((src & 0x80000000L) != 0L) &&
else if (((src & 0x80000000L) != 0L) && ((dst & 0x80000000L) != 0L)) {
((dst & 0x80000000L) != 0L))
{
flags |= C_FLAG; flags |= C_FLAG;
} }
} } else {
else if (res == 0L) {
{
if (res == 0L)
flags |= Z_FLAG; flags |= Z_FLAG;
if (((src & 0x80000000L) != 0L) }
&& ((dst & 0x80000000L) != 0L)) if (((src & 0x80000000L) != 0L) && ((dst & 0x80000000L) != 0L)) {
flags |= V_FLAG; flags |= V_FLAG;
if ((dst & 0x80000000L) != 0L }
|| (src & 0x80000000L) != 0L) if ((dst & 0x80000000L) != 0L || (src & 0x80000000L) != 0L) {
flags |= C_FLAG; flags |= C_FLAG;
} }
}
break; break;
default: default:
break; break;
} }
if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) {
flags ^= C_FLAG; flags ^= C_FLAG;
}
env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags, env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags,
env->pregs[PR_CCS]); env->pregs[PR_CCS]);
@ -528,22 +510,22 @@ void helper_evaluate_flags(CPUCRISState *env)
void helper_top_evaluate_flags(CPUCRISState *env) void helper_top_evaluate_flags(CPUCRISState *env)
{ {
switch (env->cc_op) switch (env->cc_op) {
{
case CC_OP_MCP: case CC_OP_MCP:
env->pregs[PR_CCS] = helper_evaluate_flags_mcp(env, env->pregs[PR_CCS]
env->pregs[PR_CCS], env->cc_src, = helper_evaluate_flags_mcp(env, env->pregs[PR_CCS],
env->cc_dest, env->cc_result); env->cc_src, env->cc_dest,
env->cc_result);
break; break;
case CC_OP_MULS: case CC_OP_MULS:
env->pregs[PR_CCS] = helper_evaluate_flags_muls(env, env->pregs[PR_CCS]
env->pregs[PR_CCS], env->cc_result, = helper_evaluate_flags_muls(env, env->pregs[PR_CCS],
env->pregs[PR_MOF]); env->cc_result, env->pregs[PR_MOF]);
break; break;
case CC_OP_MULU: case CC_OP_MULU:
env->pregs[PR_CCS] = helper_evaluate_flags_mulu(env, env->pregs[PR_CCS]
env->pregs[PR_CCS], env->cc_result, = helper_evaluate_flags_mulu(env, env->pregs[PR_CCS],
env->pregs[PR_MOF]); env->cc_result, env->pregs[PR_MOF]);
break; break;
case CC_OP_MOVE: case CC_OP_MOVE:
case CC_OP_AND: case CC_OP_AND:
@ -552,8 +534,7 @@ void helper_top_evaluate_flags(CPUCRISState *env)
case CC_OP_ASR: case CC_OP_ASR:
case CC_OP_LSR: case CC_OP_LSR:
case CC_OP_LSL: case CC_OP_LSL:
switch (env->cc_size) switch (env->cc_size) {
{
case 4: case 4:
env->pregs[PR_CCS] = env->pregs[PR_CCS] =
helper_evaluate_flags_move_4(env, helper_evaluate_flags_move_4(env,
@ -576,19 +557,18 @@ void helper_top_evaluate_flags(CPUCRISState *env)
break; break;
case CC_OP_SUB: case CC_OP_SUB:
case CC_OP_CMP: case CC_OP_CMP:
if (env->cc_size == 4) if (env->cc_size == 4) {
env->pregs[PR_CCS] = env->pregs[PR_CCS] =
helper_evaluate_flags_sub_4(env, helper_evaluate_flags_sub_4(env,
env->pregs[PR_CCS], env->pregs[PR_CCS],
env->cc_src, env->cc_dest, env->cc_src, env->cc_dest,
env->cc_result); env->cc_result);
else } else {
helper_evaluate_flags(env); helper_evaluate_flags(env);
}
break; break;
default: default:
{ switch (env->cc_size) {
switch (env->cc_size)
{
case 4: case 4:
env->pregs[PR_CCS] = env->pregs[PR_CCS] =
helper_evaluate_flags_alu_4(env, helper_evaluate_flags_alu_4(env,
@ -600,7 +580,6 @@ void helper_top_evaluate_flags(CPUCRISState *env)
helper_evaluate_flags(env); helper_evaluate_flags(env);
break; break;
} }
}
break; break;
} }
} }