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[Qemu-devel] [PATCH v3 11/39] target/cris: Reindent op_helper.c
|
From: |
Richard Henderson |
|
Subject: |
[Qemu-devel] [PATCH v3 11/39] target/cris: Reindent op_helper.c |
|
Date: |
Tue, 7 May 2019 17:06:13 -0700 |
Fix all of the coding style errors in this file at once.
Signed-off-by: Richard Henderson <address@hidden>
---
target/cris/op_helper.c | 817 +++++++++++++++++++---------------------
1 file changed, 398 insertions(+), 419 deletions(-)
diff --git a/target/cris/op_helper.c b/target/cris/op_helper.c
index 0ee3a3117b..d4479167a5 100644
--- a/target/cris/op_helper.c
+++ b/target/cris/op_helper.c
@@ -76,9 +76,10 @@ void helper_raise_exception(CPUCRISState *env, uint32_t
index)
void helper_tlb_flush_pid(CPUCRISState *env, uint32_t pid)
{
#if !defined(CONFIG_USER_ONLY)
- pid &= 0xff;
- if (pid != (env->pregs[PR_PID] & 0xff))
- cris_mmu_flush_pid(env, env->pregs[PR_PID]);
+ pid &= 0xff;
+ if (pid != (env->pregs[PR_PID] & 0xff)) {
+ cris_mmu_flush_pid(env, env->pregs[PR_PID]);
+ }
#endif
}
@@ -94,541 +95,519 @@ void helper_spc_write(CPUCRISState *env, uint32_t new_spc)
}
/* Used by the tlb decoder. */
-#define EXTRACT_FIELD(src, start, end) \
- (((src) >> start) & ((1 << (end - start + 1)) - 1))
+#define EXTRACT_FIELD(src, start, end) \
+ (((src) >> start) & ((1 << (end - start + 1)) - 1))
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;
- env->sregs[srs][sreg] = env->regs[reg];
+ uint32_t srs;
+ srs = env->pregs[PR_SRS];
+ srs &= 3;
+ env->sregs[srs][sreg] = env->regs[reg];
#if !defined(CONFIG_USER_ONLY)
- if (srs == 1 || srs == 2) {
- if (sreg == 6) {
- /* Writes to tlb-hi write to mm_cause as a side
- effect. */
- env->sregs[SFR_RW_MM_TLB_HI] = env->regs[reg];
- env->sregs[SFR_R_MM_CAUSE] = env->regs[reg];
- }
- else if (sreg == 5) {
- uint32_t set;
- uint32_t idx;
- uint32_t lo, hi;
- uint32_t vaddr;
- int tlb_v;
+ if (srs == 1 || srs == 2) {
+ if (sreg == 6) {
+ /* Writes to tlb-hi write to mm_cause as a side effect. */
+ env->sregs[SFR_RW_MM_TLB_HI] = env->regs[reg];
+ env->sregs[SFR_R_MM_CAUSE] = env->regs[reg];
+ } else if (sreg == 5) {
+ uint32_t set;
+ uint32_t idx;
+ uint32_t lo, hi;
+ uint32_t vaddr;
+ int tlb_v;
- idx = set = env->sregs[SFR_RW_MM_TLB_SEL];
- set >>= 4;
- set &= 3;
+ idx = set = env->sregs[SFR_RW_MM_TLB_SEL];
+ set >>= 4;
+ set &= 3;
- idx &= 15;
- /* We've just made a write to tlb_lo. */
- lo = env->sregs[SFR_RW_MM_TLB_LO];
- /* Writes are done via r_mm_cause. */
- hi = env->sregs[SFR_R_MM_CAUSE];
+ idx &= 15;
+ /* We've just made a write to tlb_lo. */
+ lo = env->sregs[SFR_RW_MM_TLB_LO];
+ /* Writes are done via r_mm_cause. */
+ hi = env->sregs[SFR_R_MM_CAUSE];
- vaddr = EXTRACT_FIELD(env->tlbsets[srs-1][set][idx].hi,
- 13, 31);
- vaddr <<= TARGET_PAGE_BITS;
- tlb_v = EXTRACT_FIELD(env->tlbsets[srs-1][set][idx].lo,
- 3, 3);
- env->tlbsets[srs - 1][set][idx].lo = lo;
- env->tlbsets[srs - 1][set][idx].hi = hi;
+ vaddr = EXTRACT_FIELD(env->tlbsets[srs - 1][set][idx].hi, 13, 31);
+ vaddr <<= TARGET_PAGE_BITS;
+ tlb_v = EXTRACT_FIELD(env->tlbsets[srs - 1][set][idx].lo, 3, 3);
+ env->tlbsets[srs - 1][set][idx].lo = lo;
+ env->tlbsets[srs - 1][set][idx].hi = hi;
- D_LOG("tlb flush vaddr=%x v=%d pc=%x\n",
- vaddr, tlb_v, env->pc);
- if (tlb_v) {
+ D_LOG("tlb flush vaddr=%x v=%d pc=%x\n",
+ vaddr, tlb_v, env->pc);
+ if (tlb_v) {
tlb_flush_page(CPU(cpu), vaddr);
- }
- }
- }
+ }
+ }
+ }
#endif
}
void helper_movl_reg_sreg(CPUCRISState *env, uint32_t reg, uint32_t sreg)
{
- uint32_t srs;
- env->pregs[PR_SRS] &= 3;
- srs = env->pregs[PR_SRS];
-
+ uint32_t srs;
+ env->pregs[PR_SRS] &= 3;
+ srs = env->pregs[PR_SRS];
+
#if !defined(CONFIG_USER_ONLY)
- if (srs == 1 || srs == 2)
- {
- uint32_t set;
- uint32_t idx;
- uint32_t lo, hi;
+ if (srs == 1 || srs == 2) {
+ uint32_t set;
+ uint32_t idx;
+ uint32_t lo, hi;
- idx = set = env->sregs[SFR_RW_MM_TLB_SEL];
- set >>= 4;
- set &= 3;
- idx &= 15;
+ idx = set = env->sregs[SFR_RW_MM_TLB_SEL];
+ set >>= 4;
+ set &= 3;
+ idx &= 15;
- /* Update the mirror regs. */
- hi = env->tlbsets[srs - 1][set][idx].hi;
- lo = env->tlbsets[srs - 1][set][idx].lo;
- env->sregs[SFR_RW_MM_TLB_HI] = hi;
- env->sregs[SFR_RW_MM_TLB_LO] = lo;
- }
+ /* Update the mirror regs. */
+ hi = env->tlbsets[srs - 1][set][idx].hi;
+ lo = env->tlbsets[srs - 1][set][idx].lo;
+ env->sregs[SFR_RW_MM_TLB_HI] = hi;
+ env->sregs[SFR_RW_MM_TLB_LO] = lo;
+ }
#endif
- env->regs[reg] = env->sregs[srs][sreg];
+ env->regs[reg] = env->sregs[srs][sreg];
}
static void cris_ccs_rshift(CPUCRISState *env)
{
- uint32_t ccs;
+ uint32_t ccs;
- /* Apply the ccs shift. */
- ccs = env->pregs[PR_CCS];
- ccs = (ccs & 0xc0000000) | ((ccs & 0x0fffffff) >> 10);
- if (ccs & U_FLAG)
- {
- /* Enter user mode. */
- env->ksp = env->regs[R_SP];
- env->regs[R_SP] = env->pregs[PR_USP];
- }
+ /* Apply the ccs shift. */
+ ccs = env->pregs[PR_CCS];
+ ccs = (ccs & 0xc0000000) | ((ccs & 0x0fffffff) >> 10);
+ if (ccs & U_FLAG) {
+ /* Enter user mode. */
+ env->ksp = env->regs[R_SP];
+ env->regs[R_SP] = env->pregs[PR_USP];
+ }
- env->pregs[PR_CCS] = ccs;
+ env->pregs[PR_CCS] = ccs;
}
void helper_rfe(CPUCRISState *env)
{
- int rflag = env->pregs[PR_CCS] & R_FLAG;
+ int rflag = env->pregs[PR_CCS] & R_FLAG;
- D_LOG("rfe: erp=%x pid=%x ccs=%x btarget=%x\n",
- env->pregs[PR_ERP], env->pregs[PR_PID],
- env->pregs[PR_CCS],
- env->btarget);
+ D_LOG("rfe: erp=%x pid=%x ccs=%x btarget=%x\n",
+ env->pregs[PR_ERP], env->pregs[PR_PID],
+ env->pregs[PR_CCS],
+ env->btarget);
- cris_ccs_rshift(env);
+ cris_ccs_rshift(env);
- /* RFE sets the P_FLAG only if the R_FLAG is not set. */
- if (!rflag)
- env->pregs[PR_CCS] |= P_FLAG;
+ /* RFE sets the P_FLAG only if the R_FLAG is not set. */
+ if (!rflag) {
+ env->pregs[PR_CCS] |= P_FLAG;
+ }
}
void helper_rfn(CPUCRISState *env)
{
- int rflag = env->pregs[PR_CCS] & R_FLAG;
+ int rflag = env->pregs[PR_CCS] & R_FLAG;
- D_LOG("rfn: erp=%x pid=%x ccs=%x btarget=%x\n",
- env->pregs[PR_ERP], env->pregs[PR_PID],
- env->pregs[PR_CCS],
- env->btarget);
+ D_LOG("rfn: erp=%x pid=%x ccs=%x btarget=%x\n",
+ env->pregs[PR_ERP], env->pregs[PR_PID],
+ env->pregs[PR_CCS],
+ env->btarget);
- cris_ccs_rshift(env);
+ cris_ccs_rshift(env);
- /* Set the P_FLAG only if the R_FLAG is not set. */
- if (!rflag)
- env->pregs[PR_CCS] |= P_FLAG;
+ /* Set the P_FLAG only if the R_FLAG is not set. */
+ if (!rflag) {
+ env->pregs[PR_CCS] |= P_FLAG;
+ }
- /* Always set the M flag. */
- env->pregs[PR_CCS] |= M_FLAG_V32;
+ /* Always set the M flag. */
+ env->pregs[PR_CCS] |= M_FLAG_V32;
}
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.
- The Z flag is set if the selected bit and all bits to the right are
- zero.
- The X flag is cleared.
- Other flags are left untouched.
- The destination reg is not affected.*/
- unsigned int fz, sbit, bset, mask, masked_t0;
+ /*
+ * des ref:
+ * The N flag is set according to the selected bit in the dest reg.
+ * The Z flag is set if the selected bit and all bits to the right are
+ * zero.
+ * The X flag is cleared.
+ * Other flags are left untouched.
+ * The destination reg is not affected.
+ */
+ unsigned int fz, sbit, bset, mask, masked_t0;
- sbit = t1 & 31;
- bset = !!(t0 & (1 << sbit));
- mask = sbit == 31 ? -1 : (1 << (sbit + 1)) - 1;
- masked_t0 = t0 & mask;
- fz = !(masked_t0 | bset);
+ sbit = t1 & 31;
+ bset = !!(t0 & (1 << sbit));
+ mask = sbit == 31 ? -1 : (1 << (sbit + 1)) - 1;
+ masked_t0 = t0 & mask;
+ fz = !(masked_t0 | bset);
- /* 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;
+ /* 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(CPUCRISState *env,
uint32_t flags, uint32_t ccs)
{
- unsigned int x, z, mask;
+ unsigned int x, z, mask;
- /* Extended arithmetics, leave the z flag alone. */
- x = env->cc_x;
- mask = env->cc_mask | X_FLAG;
- if (x) {
- z = flags & Z_FLAG;
- mask = mask & ~z;
- }
- flags &= mask;
+ /* Extended arithmetics, leave the z flag alone. */
+ x = env->cc_x;
+ mask = env->cc_mask | X_FLAG;
+ if (x) {
+ z = flags & Z_FLAG;
+ mask = mask & ~z;
+ }
+ flags &= mask;
- /* all insn clear the x-flag except setf or clrf. */
- ccs &= ~mask;
- ccs |= flags;
- return ccs;
+ /* all insn clear the x-flag except setf or clrf. */
+ ccs &= ~mask;
+ ccs |= flags;
+ return ccs;
}
uint32_t helper_evaluate_flags_muls(CPUCRISState *env,
uint32_t ccs, uint32_t res, uint32_t mof)
{
- uint32_t flags = 0;
- int64_t tmp;
- int dneg;
+ uint32_t flags = 0;
+ int64_t tmp;
+ int dneg;
- dneg = ((int32_t)res) < 0;
+ dneg = ((int32_t)res) < 0;
- tmp = mof;
- tmp <<= 32;
- tmp |= res;
- if (tmp == 0)
- flags |= Z_FLAG;
- else if (tmp < 0)
- flags |= N_FLAG;
- if ((dneg && mof != -1)
- || (!dneg && mof != 0))
- flags |= V_FLAG;
- return evaluate_flags_writeback(env, flags, ccs);
+ tmp = mof;
+ tmp <<= 32;
+ tmp |= res;
+ if (tmp == 0) {
+ flags |= Z_FLAG;
+ } else if (tmp < 0) {
+ flags |= N_FLAG;
+ }
+ if ((dneg && mof != -1) || (!dneg && mof != 0)) {
+ flags |= V_FLAG;
+ }
+ return evaluate_flags_writeback(env, flags, ccs);
}
uint32_t helper_evaluate_flags_mulu(CPUCRISState *env,
uint32_t ccs, uint32_t res, uint32_t mof)
{
- uint32_t flags = 0;
- uint64_t tmp;
+ uint32_t flags = 0;
+ uint64_t tmp;
- tmp = mof;
- tmp <<= 32;
- tmp |= res;
- if (tmp == 0)
- flags |= Z_FLAG;
- else if (tmp >> 63)
- flags |= N_FLAG;
- if (mof)
- flags |= V_FLAG;
+ tmp = mof;
+ tmp <<= 32;
+ tmp |= res;
+ if (tmp == 0) {
+ flags |= Z_FLAG;
+ } else if (tmp >> 63) {
+ flags |= N_FLAG;
+ }
+ if (mof) {
+ flags |= V_FLAG;
+ }
- return evaluate_flags_writeback(env, flags, ccs);
+ return evaluate_flags_writeback(env, flags, 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;
+ uint32_t flags = 0;
- src = src & 0x80000000;
- dst = dst & 0x80000000;
+ src = src & 0x80000000;
+ dst = dst & 0x80000000;
- if ((res & 0x80000000L) != 0L)
- {
- flags |= N_FLAG;
- if (!src && !dst)
- flags |= V_FLAG;
- else if (src & dst)
- flags |= R_FLAG;
- }
- else
- {
- if (res == 0L)
- flags |= Z_FLAG;
- if (src & dst)
- flags |= V_FLAG;
- if (dst | src)
- flags |= R_FLAG;
- }
+ if ((res & 0x80000000L) != 0L) {
+ flags |= N_FLAG;
+ if (!src && !dst) {
+ flags |= V_FLAG;
+ } else if (src & dst) {
+ flags |= R_FLAG;
+ }
+ } else {
+ if (res == 0L) {
+ flags |= Z_FLAG;
+ }
+ if (src & dst) {
+ flags |= V_FLAG;
+ }
+ if (dst | src) {
+ flags |= R_FLAG;
+ }
+ }
- return evaluate_flags_writeback(env, flags, ccs);
+ return evaluate_flags_writeback(env, flags, 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;
+ uint32_t flags = 0;
- src = src & 0x80000000;
- dst = dst & 0x80000000;
+ src = src & 0x80000000;
+ dst = dst & 0x80000000;
- if ((res & 0x80000000L) != 0L)
- {
- flags |= N_FLAG;
- if (!src && !dst)
- flags |= V_FLAG;
- else if (src & dst)
- flags |= C_FLAG;
- }
- else
- {
- if (res == 0L)
- flags |= Z_FLAG;
- if (src & dst)
- flags |= V_FLAG;
- if (dst | src)
- flags |= C_FLAG;
- }
+ if ((res & 0x80000000L) != 0L) {
+ flags |= N_FLAG;
+ if (!src && !dst) {
+ flags |= V_FLAG;
+ } else if (src & dst) {
+ flags |= C_FLAG;
+ }
+ } else {
+ if (res == 0L) {
+ flags |= Z_FLAG;
+ }
+ if (src & dst) {
+ flags |= V_FLAG;
+ }
+ if (dst | src) {
+ flags |= C_FLAG;
+ }
+ }
- return evaluate_flags_writeback(env, flags, ccs);
+ return evaluate_flags_writeback(env, flags, 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;
+ uint32_t flags = 0;
- src = (~src) & 0x80000000;
- dst = dst & 0x80000000;
+ src = (~src) & 0x80000000;
+ dst = dst & 0x80000000;
- if ((res & 0x80000000L) != 0L)
- {
- flags |= N_FLAG;
- if (!src && !dst)
- flags |= V_FLAG;
- else if (src & dst)
- flags |= C_FLAG;
- }
- else
- {
- if (res == 0L)
- flags |= Z_FLAG;
- if (src & dst)
- flags |= V_FLAG;
- if (dst | src)
- flags |= C_FLAG;
- }
+ if ((res & 0x80000000L) != 0L) {
+ flags |= N_FLAG;
+ if (!src && !dst) {
+ flags |= V_FLAG;
+ } else if (src & dst) {
+ flags |= C_FLAG;
+ }
+ } else {
+ if (res == 0L) {
+ flags |= Z_FLAG;
+ }
+ if (src & dst) {
+ flags |= V_FLAG;
+ }
+ if (dst | src) {
+ flags |= C_FLAG;
+ }
+ }
- flags ^= C_FLAG;
- return evaluate_flags_writeback(env, flags, ccs);
+ flags ^= C_FLAG;
+ return evaluate_flags_writeback(env, flags, ccs);
}
uint32_t helper_evaluate_flags_move_4(CPUCRISState *env,
uint32_t ccs, uint32_t res)
{
- uint32_t flags = 0;
+ uint32_t flags = 0;
- if ((int32_t)res < 0)
- flags |= N_FLAG;
- else if (res == 0L)
- flags |= Z_FLAG;
+ if ((int32_t)res < 0) {
+ flags |= N_FLAG;
+ } else if (res == 0L) {
+ 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 ccs, uint32_t res)
{
- uint32_t flags = 0;
+ uint32_t flags = 0;
- if ((int16_t)res < 0L)
- flags |= N_FLAG;
- else if (res == 0)
- flags |= Z_FLAG;
+ if ((int16_t)res < 0L) {
+ flags |= N_FLAG;
+ } else if (res == 0) {
+ 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)
{
- uint32_t src, dst, res;
- uint32_t flags = 0;
+ uint32_t src, dst, res;
+ uint32_t flags = 0;
- src = env->cc_src;
- dst = env->cc_dest;
- res = env->cc_result;
+ src = env->cc_src;
+ dst = env->cc_dest;
+ res = env->cc_result;
- if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP)
- src = ~src;
+ if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) {
+ 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))
- {
- flags |= C_FLAG;
- }
- }
- else
- {
- if ((res & 0xFFL) == 0L)
- {
- flags |= Z_FLAG;
- }
- if (((src & 0x80L) != 0L)
- && ((dst & 0x80L) != 0L))
- {
- flags |= V_FLAG;
- }
- if ((dst & 0x80L) != 0L
- || (src & 0x80L) != 0L)
- {
- flags |= C_FLAG;
- }
- }
- break;
- case 2:
- if ((res & 0x8000L) != 0L)
- {
- flags |= N_FLAG;
- if (((src & 0x8000L) == 0L)
- && ((dst & 0x8000L) == 0L))
- {
- flags |= V_FLAG;
- }
- else if (((src & 0x8000L) != 0L)
- && ((dst & 0x8000L) != 0L))
- {
- flags |= C_FLAG;
- }
- }
- else
- {
- if ((res & 0xFFFFL) == 0L)
- {
- flags |= Z_FLAG;
- }
- if (((src & 0x8000L) != 0L)
- && ((dst & 0x8000L) != 0L))
- {
- flags |= V_FLAG;
- }
- if ((dst & 0x8000L) != 0L
- || (src & 0x8000L) != 0L)
- {
- flags |= C_FLAG;
- }
- }
- break;
- case 4:
- if ((res & 0x80000000L) != 0L)
- {
- flags |= N_FLAG;
- if (((src & 0x80000000L) == 0L)
- && ((dst & 0x80000000L) == 0L))
- {
- flags |= V_FLAG;
- }
- else if (((src & 0x80000000L) != 0L) &&
- ((dst & 0x80000000L) != 0L))
- {
- flags |= C_FLAG;
- }
- }
- else
- {
- if (res == 0L)
- flags |= Z_FLAG;
- if (((src & 0x80000000L) != 0L)
- && ((dst & 0x80000000L) != 0L))
- flags |= V_FLAG;
- if ((dst & 0x80000000L) != 0L
- || (src & 0x80000000L) != 0L)
- flags |= C_FLAG;
- }
- break;
- default:
- break;
- }
+ /*
+ * 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;
+ }
+ } else {
+ if ((res & 0xFFL) == 0L) {
+ flags |= Z_FLAG;
+ }
+ if (((src & 0x80L) != 0L) && ((dst & 0x80L) != 0L)) {
+ flags |= V_FLAG;
+ }
+ if ((dst & 0x80L) != 0L || (src & 0x80L) != 0L) {
+ flags |= C_FLAG;
+ }
+ }
+ break;
+ case 2:
+ if ((res & 0x8000L) != 0L) {
+ flags |= N_FLAG;
+ if (((src & 0x8000L) == 0L) && ((dst & 0x8000L) == 0L)) {
+ flags |= V_FLAG;
+ } else if (((src & 0x8000L) != 0L) && ((dst & 0x8000L) != 0L)) {
+ flags |= C_FLAG;
+ }
+ } else {
+ if ((res & 0xFFFFL) == 0L) {
+ flags |= Z_FLAG;
+ }
+ if (((src & 0x8000L) != 0L) && ((dst & 0x8000L) != 0L)) {
+ flags |= V_FLAG;
+ }
+ if ((dst & 0x8000L) != 0L || (src & 0x8000L) != 0L) {
+ flags |= C_FLAG;
+ }
+ }
+ break;
+ case 4:
+ if ((res & 0x80000000L) != 0L) {
+ flags |= N_FLAG;
+ if (((src & 0x80000000L) == 0L) && ((dst & 0x80000000L) == 0L)) {
+ flags |= V_FLAG;
+ } else if (((src & 0x80000000L) != 0L) &&
+ ((dst & 0x80000000L) != 0L)) {
+ flags |= C_FLAG;
+ }
+ } else {
+ if (res == 0L) {
+ flags |= Z_FLAG;
+ }
+ if (((src & 0x80000000L) != 0L) && ((dst & 0x80000000L) != 0L)) {
+ flags |= V_FLAG;
+ }
+ if ((dst & 0x80000000L) != 0L || (src & 0x80000000L) != 0L) {
+ flags |= C_FLAG;
+ }
+ }
+ break;
+ default:
+ break;
+ }
- if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP)
- flags ^= C_FLAG;
+ if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) {
+ flags ^= C_FLAG;
+ }
- env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags,
- env->pregs[PR_CCS]);
+ env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags,
+ env->pregs[PR_CCS]);
}
void helper_top_evaluate_flags(CPUCRISState *env)
{
- switch (env->cc_op)
- {
- case CC_OP_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,
- 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,
- env->pregs[PR_CCS], env->cc_result,
- env->pregs[PR_MOF]);
- break;
- case CC_OP_MOVE:
- case CC_OP_AND:
- case CC_OP_OR:
- case CC_OP_XOR:
- case CC_OP_ASR:
- case CC_OP_LSR:
- case CC_OP_LSL:
- switch (env->cc_size)
- {
- case 4:
- env->pregs[PR_CCS] =
- 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(env,
- env->pregs[PR_CCS],
- env->cc_result);
- break;
- default:
- helper_evaluate_flags(env);
- break;
- }
- break;
- case CC_OP_FLAGS:
- /* live. */
- break;
- case CC_OP_SUB:
- case CC_OP_CMP:
- if (env->cc_size == 4)
- env->pregs[PR_CCS] =
- helper_evaluate_flags_sub_4(env,
- env->pregs[PR_CCS],
- env->cc_src, env->cc_dest,
- env->cc_result);
- else
- helper_evaluate_flags(env);
- break;
- default:
- {
- switch (env->cc_size)
- {
- case 4:
- env->pregs[PR_CCS] =
- helper_evaluate_flags_alu_4(env,
- env->pregs[PR_CCS],
- env->cc_src, env->cc_dest,
- env->cc_result);
- break;
- default:
- helper_evaluate_flags(env);
- break;
- }
- }
- break;
- }
+ switch (env->cc_op) {
+ case CC_OP_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, 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, env->pregs[PR_CCS],
+ env->cc_result, env->pregs[PR_MOF]);
+ break;
+ case CC_OP_MOVE:
+ case CC_OP_AND:
+ case CC_OP_OR:
+ case CC_OP_XOR:
+ case CC_OP_ASR:
+ case CC_OP_LSR:
+ case CC_OP_LSL:
+ switch (env->cc_size) {
+ case 4:
+ env->pregs[PR_CCS] =
+ 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(env,
+ env->pregs[PR_CCS],
+ env->cc_result);
+ break;
+ default:
+ helper_evaluate_flags(env);
+ break;
+ }
+ break;
+ case CC_OP_FLAGS:
+ /* live. */
+ break;
+ case CC_OP_SUB:
+ case CC_OP_CMP:
+ if (env->cc_size == 4) {
+ env->pregs[PR_CCS] =
+ helper_evaluate_flags_sub_4(env,
+ env->pregs[PR_CCS],
+ env->cc_src, env->cc_dest,
+ env->cc_result);
+ } else {
+ helper_evaluate_flags(env);
+ }
+ break;
+ default:
+ switch (env->cc_size) {
+ case 4:
+ env->pregs[PR_CCS] =
+ helper_evaluate_flags_alu_4(env,
+ env->pregs[PR_CCS],
+ env->cc_src, env->cc_dest,
+ env->cc_result);
+ break;
+ default:
+ helper_evaluate_flags(env);
+ break;
+ }
+ break;
+ }
}
--
2.17.1
- [Qemu-devel] [PATCH v3 07/39] cpu: Introduce env_archcpu, (continued)
- [Qemu-devel] [PATCH v3 07/39] cpu: Introduce env_archcpu, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 03/39] tcg: Create struct CPUTLB, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 05/39] cpu: Define ArchCPU, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 02/39] tcg: Split out target/arch/cpu-param.h, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 12/39] target/cris: Use env_cpu, env_archcpu, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 10/39] target/cris: Reindent mmu.c, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 11/39] target/cris: Reindent op_helper.c,
Richard Henderson <=
- [Qemu-devel] [PATCH v3 09/39] target/arm: Use env_cpu, env_archcpu, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 15/39] target/lm32: Use env_cpu, env_archcpu, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 17/39] target/microblaze: Use env_cpu, env_archcpu, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 06/39] cpu: Replace ENV_GET_CPU with env_cpu, Richard Henderson, 2019/05/07
- [Qemu-devel] [PATCH v3 18/39] target/mips: Use env_cpu, env_archcpu, Richard Henderson, 2019/05/07