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[Qemu-ppc] [PATCH 10/22] ppc: split MMU etc. helpers from op_helper.c
|
From: |
Blue Swirl |
|
Subject: |
[Qemu-ppc] [PATCH 10/22] ppc: split MMU etc. helpers from op_helper.c |
|
Date: |
Sun, 22 Apr 2012 13:24:26 +0000 |
Move MMU, TLB, SLB and BAT ops to mmu_helper.c.
Signed-off-by: Blue Swirl <address@hidden>
---
Makefile.target | 5 +-
target-ppc/{op_helper.c => mmu_helper.c} | 543 +------------------
target-ppc/op_helper.c | 854 ------------------------------
3 files changed, 28 insertions(+), 1374 deletions(-)
copy target-ppc/{op_helper.c => mmu_helper.c} (64%)
diff --git a/Makefile.target b/Makefile.target
index 3717dcb..87b3f53 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -107,7 +107,7 @@ libobj-$(TARGET_XTENSA) += cpu.o
libobj-$(TARGET_ALPHA) += int_helper.o fpu_helper.o sys_helper.o mem_helper.o
libobj-$(TARGET_ALPHA) += cpu.o
ifeq ($(TARGET_BASE_ARCH), ppc)
-libobj-y += fpu_helper.o int_helper.o excp_helper.o
+libobj-y += fpu_helper.o int_helper.o mmu_helper.o excp_helper.o
endif
libobj-y += disas.o
@@ -123,6 +123,9 @@ ifneq ($(TARGET_BASE_ARCH), sparc)
op_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
endif
user-exec.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
+ifeq ($(TARGET_BASE_ARCH), ppc)
+mmu_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
+endif
# Note: this is a workaround. The real fix is to avoid compiling
# cpu_signal_handler() in user-exec.c.
diff --git a/target-ppc/op_helper.c b/target-ppc/mmu_helper.c
similarity index 64%
copy from target-ppc/op_helper.c
copy to target-ppc/mmu_helper.c
index 55b9e9d..81800b6 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/mmu_helper.c
@@ -1,5 +1,5 @@
/*
- * PowerPC emulation helpers for QEMU.
+ * PowerPC MMU, TLB, SLB and BAT emulation helpers for QEMU.
*
* Copyright (c) 2003-2007 Jocelyn Mayer
*
@@ -16,19 +16,10 @@
* 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 <string.h>
#include "cpu.h"
#include "dyngen-exec.h"
-#include "host-utils.h"
#include "helper.h"
-#include "helper_regs.h"
-
-#if !defined(CONFIG_USER_ONLY)
-#include "softmmu_exec.h"
-#endif /* !defined(CONFIG_USER_ONLY) */
-
-//#define DEBUG_OP
//#define DEBUG_SOFTWARE_TLB
#ifdef DEBUG_SOFTWARE_TLB
@@ -39,164 +30,8 @@
/*****************************************************************************/
/* SPR accesses */
-void helper_load_dump_spr(uint32_t sprn)
-{
- qemu_log("Read SPR %d %03x => " TARGET_FMT_lx "\n", sprn, sprn,
- env->spr[sprn]);
-}
-
-void helper_store_dump_spr(uint32_t sprn)
-{
- qemu_log("Write SPR %d %03x <= " TARGET_FMT_lx "\n", sprn, sprn,
- env->spr[sprn]);
-}
-
-target_ulong helper_load_tbl(void)
-{
- return (target_ulong)cpu_ppc_load_tbl(env);
-}
-
-target_ulong helper_load_tbu(void)
-{
- return cpu_ppc_load_tbu(env);
-}
-
-target_ulong helper_load_atbl(void)
-{
- return (target_ulong)cpu_ppc_load_atbl(env);
-}
-
-target_ulong helper_load_atbu(void)
-{
- return cpu_ppc_load_atbu(env);
-}
-
-#if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
-target_ulong helper_load_purr(void)
-{
- return (target_ulong)cpu_ppc_load_purr(env);
-}
-#endif
-
-target_ulong helper_load_601_rtcl(void)
-{
- return cpu_ppc601_load_rtcl(env);
-}
-
-target_ulong helper_load_601_rtcu(void)
-{
- return cpu_ppc601_load_rtcu(env);
-}
#if !defined(CONFIG_USER_ONLY)
-#if defined(TARGET_PPC64)
-void helper_store_asr(target_ulong val)
-{
- ppc_store_asr(env, val);
-}
-#endif
-
-void helper_store_sdr1(target_ulong val)
-{
- ppc_store_sdr1(env, val);
-}
-
-void helper_store_tbl(target_ulong val)
-{
- cpu_ppc_store_tbl(env, val);
-}
-
-void helper_store_tbu(target_ulong val)
-{
- cpu_ppc_store_tbu(env, val);
-}
-
-void helper_store_atbl(target_ulong val)
-{
- cpu_ppc_store_atbl(env, val);
-}
-
-void helper_store_atbu(target_ulong val)
-{
- cpu_ppc_store_atbu(env, val);
-}
-
-void helper_store_601_rtcl(target_ulong val)
-{
- cpu_ppc601_store_rtcl(env, val);
-}
-
-void helper_store_601_rtcu(target_ulong val)
-{
- cpu_ppc601_store_rtcu(env, val);
-}
-
-target_ulong helper_load_decr(void)
-{
- return cpu_ppc_load_decr(env);
-}
-
-void helper_store_decr(target_ulong val)
-{
- cpu_ppc_store_decr(env, val);
-}
-
-void helper_store_hid0_601(target_ulong val)
-{
- target_ulong hid0;
-
- hid0 = env->spr[SPR_HID0];
- if ((val ^ hid0) & 0x00000008) {
- /* Change current endianness */
- env->hflags &= ~(1 << MSR_LE);
- env->hflags_nmsr &= ~(1 << MSR_LE);
- env->hflags_nmsr |= (1 << MSR_LE) & (((val >> 3) & 1) << MSR_LE);
- env->hflags |= env->hflags_nmsr;
- qemu_log("%s: set endianness to %c => " TARGET_FMT_lx "\n", __func__,
- val & 0x8 ? 'l' : 'b', env->hflags);
- }
- env->spr[SPR_HID0] = (uint32_t)val;
-}
-
-void helper_store_403_pbr(uint32_t num, target_ulong value)
-{
- if (likely(env->pb[num] != value)) {
- env->pb[num] = value;
- /* Should be optimized */
- tlb_flush(env, 1);
- }
-}
-
-target_ulong helper_load_40x_pit(void)
-{
- return load_40x_pit(env);
-}
-
-void helper_store_40x_pit(target_ulong val)
-{
- store_40x_pit(env, val);
-}
-
-void helper_store_40x_dbcr0(target_ulong val)
-{
- store_40x_dbcr0(env, val);
-}
-
-void helper_store_40x_sler(target_ulong val)
-{
- store_40x_sler(env, val);
-}
-
-void helper_store_booke_tcr(target_ulong val)
-{
- store_booke_tcr(env, val);
-}
-
-void helper_store_booke_tsr(target_ulong val)
-{
- store_booke_tsr(env, val);
-}
-
void helper_store_ibatu(uint32_t nr, target_ulong val)
{
ppc_store_ibatu(env, nr, val);
@@ -226,358 +61,6 @@ void helper_store_601_batu(uint32_t nr, target_ulong val)
{
ppc_store_ibatu_601(env, nr, val);
}
-#endif
-
-/*****************************************************************************/
-/* Memory load and stores */
-
-static inline target_ulong addr_add(target_ulong addr, target_long arg)
-{
-#if defined(TARGET_PPC64)
- if (!msr_sf) {
- return (uint32_t)(addr + arg);
- } else
-#endif
- {
- return addr + arg;
- }
-}
-
-void helper_lmw(target_ulong addr, uint32_t reg)
-{
- for (; reg < 32; reg++) {
- if (msr_le) {
- env->gpr[reg] = bswap32(ldl(addr));
- } else {
- env->gpr[reg] = ldl(addr);
- }
- addr = addr_add(addr, 4);
- }
-}
-
-void helper_stmw(target_ulong addr, uint32_t reg)
-{
- for (; reg < 32; reg++) {
- if (msr_le) {
- stl(addr, bswap32((uint32_t)env->gpr[reg]));
- } else {
- stl(addr, (uint32_t)env->gpr[reg]);
- }
- addr = addr_add(addr, 4);
- }
-}
-
-void helper_lsw(target_ulong addr, uint32_t nb, uint32_t reg)
-{
- int sh;
-
- for (; nb > 3; nb -= 4) {
- env->gpr[reg] = ldl(addr);
- reg = (reg + 1) % 32;
- addr = addr_add(addr, 4);
- }
- if (unlikely(nb > 0)) {
- env->gpr[reg] = 0;
- for (sh = 24; nb > 0; nb--, sh -= 8) {
- env->gpr[reg] |= ldub(addr) << sh;
- addr = addr_add(addr, 1);
- }
- }
-}
-/* PPC32 specification says we must generate an exception if
- * rA is in the range of registers to be loaded.
- * In an other hand, IBM says this is valid, but rA won't be loaded.
- * For now, I'll follow the spec...
- */
-void helper_lswx(target_ulong addr, uint32_t reg, uint32_t ra, uint32_t rb)
-{
- if (likely(xer_bc != 0)) {
- if (unlikely((ra != 0 && reg < ra && (reg + xer_bc) > ra) ||
- (reg < rb && (reg + xer_bc) > rb))) {
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL |
- POWERPC_EXCP_INVAL_LSWX);
- } else {
- helper_lsw(addr, xer_bc, reg);
- }
- }
-}
-
-void helper_stsw(target_ulong addr, uint32_t nb, uint32_t reg)
-{
- int sh;
-
- for (; nb > 3; nb -= 4) {
- stl(addr, env->gpr[reg]);
- reg = (reg + 1) % 32;
- addr = addr_add(addr, 4);
- }
- if (unlikely(nb > 0)) {
- for (sh = 24; nb > 0; nb--, sh -= 8) {
- stb(addr, (env->gpr[reg] >> sh) & 0xFF);
- addr = addr_add(addr, 1);
- }
- }
-}
-
-static void do_dcbz(target_ulong addr, int dcache_line_size)
-{
- int i;
-
- addr &= ~(dcache_line_size - 1);
- for (i = 0; i < dcache_line_size; i += 4) {
- stl(addr + i, 0);
- }
- if (env->reserve_addr == addr) {
- env->reserve_addr = (target_ulong)-1ULL;
- }
-}
-
-void helper_dcbz(target_ulong addr)
-{
- do_dcbz(addr, env->dcache_line_size);
-}
-
-void helper_dcbz_970(target_ulong addr)
-{
- if (((env->spr[SPR_970_HID5] >> 7) & 0x3) == 1) {
- do_dcbz(addr, 32);
- } else {
- do_dcbz(addr, env->dcache_line_size);
- }
-}
-
-void helper_icbi(target_ulong addr)
-{
- addr &= ~(env->dcache_line_size - 1);
- /* Invalidate one cache line :
- * PowerPC specification says this is to be treated like a load
- * (not a fetch) by the MMU. To be sure it will be so,
- * do the load "by hand".
- */
- ldl(addr);
-}
-
-/* XXX: to be tested */
-target_ulong helper_lscbx(target_ulong addr, uint32_t reg, uint32_t ra,
- uint32_t rb)
-{
- int i, c, d;
-
- d = 24;
- for (i = 0; i < xer_bc; i++) {
- c = ldub(addr);
- addr = addr_add(addr, 1);
- /* ra (if not 0) and rb are never modified */
- if (likely(reg != rb && (ra == 0 || reg != ra))) {
- env->gpr[reg] = (env->gpr[reg] & ~(0xFF << d)) | (c << d);
- }
- if (unlikely(c == xer_cmp)) {
- break;
- }
- if (likely(d != 0)) {
- d -= 8;
- } else {
- d = 24;
- reg++;
- reg = reg & 0x1F;
- }
- }
- return i;
-}
-
-/*****************************************************************************/
-/* PowerPC 601 specific instructions (POWER bridge) */
-
-target_ulong helper_clcs(uint32_t arg)
-{
- switch (arg) {
- case 0x0CUL:
- /* Instruction cache line size */
- return env->icache_line_size;
- break;
- case 0x0DUL:
- /* Data cache line size */
- return env->dcache_line_size;
- break;
- case 0x0EUL:
- /* Minimum cache line size */
- return (env->icache_line_size < env->dcache_line_size) ?
- env->icache_line_size : env->dcache_line_size;
- break;
- case 0x0FUL:
- /* Maximum cache line size */
- return (env->icache_line_size > env->dcache_line_size) ?
- env->icache_line_size : env->dcache_line_size;
- break;
- default:
- /* Undefined */
- return 0;
- break;
- }
-}
-
-#if !defined(CONFIG_USER_ONLY)
-target_ulong helper_rac(target_ulong addr)
-{
- mmu_ctx_t ctx;
- int nb_BATs;
- target_ulong ret = 0;
-
- /* We don't have to generate many instances of this instruction,
- * as rac is supervisor only.
- */
- /* XXX: FIX THIS: Pretend we have no BAT */
- nb_BATs = env->nb_BATs;
- env->nb_BATs = 0;
- if (get_physical_address(env, &ctx, addr, 0, ACCESS_INT) == 0) {
- ret = ctx.raddr;
- }
- env->nb_BATs = nb_BATs;
- return ret;
-}
-#endif
-
-/*****************************************************************************/
-/* Embedded PowerPC specific helpers */
-
-/* XXX: to be improved to check access rights when in user-mode */
-target_ulong helper_load_dcr(target_ulong dcrn)
-{
- uint32_t val = 0;
-
- if (unlikely(env->dcr_env == NULL)) {
- qemu_log("No DCR environment\n");
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL |
- POWERPC_EXCP_INVAL_INVAL);
- } else if (unlikely(ppc_dcr_read(env->dcr_env,
- (uint32_t)dcrn, &val) != 0)) {
- qemu_log("DCR read error %d %03x\n", (uint32_t)dcrn, (uint32_t)dcrn);
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
- }
- return val;
-}
-
-void helper_store_dcr(target_ulong dcrn, target_ulong val)
-{
- if (unlikely(env->dcr_env == NULL)) {
- qemu_log("No DCR environment\n");
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL |
- POWERPC_EXCP_INVAL_INVAL);
- } else if (unlikely(ppc_dcr_write(env->dcr_env, (uint32_t)dcrn,
- (uint32_t)val) != 0)) {
- qemu_log("DCR write error %d %03x\n", (uint32_t)dcrn, (uint32_t)dcrn);
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
- }
-}
-
-/*****************************************************************************/
-/* Altivec extension helpers */
-#if defined(HOST_WORDS_BIGENDIAN)
-#define HI_IDX 0
-#define LO_IDX 1
-#else
-#define HI_IDX 1
-#define LO_IDX 0
-#endif
-
-#define LVE(name, access, swap, element) \
- void helper_##name(ppc_avr_t *r, target_ulong addr) \
- { \
- size_t n_elems = ARRAY_SIZE(r->element); \
- int adjust = HI_IDX*(n_elems - 1); \
- int sh = sizeof(r->element[0]) >> 1; \
- int index = (addr & 0xf) >> sh; \
- \
- if (msr_le) { \
- r->element[LO_IDX ? index : (adjust - index)] = \
- swap(access(addr)); \
- } else { \
- r->element[LO_IDX ? index : (adjust - index)] = \
- access(addr); \
- } \
- }
-#define I(x) (x)
-LVE(lvebx, ldub, I, u8)
-LVE(lvehx, lduw, bswap16, u16)
-LVE(lvewx, ldl, bswap32, u32)
-#undef I
-#undef LVE
-
-#define STVE(name, access, swap, element) \
- void helper_##name(ppc_avr_t *r, target_ulong addr) \
- { \
- size_t n_elems = ARRAY_SIZE(r->element); \
- int adjust = HI_IDX * (n_elems - 1); \
- int sh = sizeof(r->element[0]) >> 1; \
- int index = (addr & 0xf) >> sh; \
- \
- if (msr_le) { \
- access(addr, swap(r->element[LO_IDX ? index : (adjust -
index)])); \
- } else { \
- access(addr, r->element[LO_IDX ? index : (adjust - index)]); \
- } \
- }
-#define I(x) (x)
-STVE(stvebx, stb, I, u8)
-STVE(stvehx, stw, bswap16, u16)
-STVE(stvewx, stl, bswap32, u32)
-#undef I
-#undef LVE
-
-#undef HI_IDX
-#undef LO_IDX
-
-/*****************************************************************************/
-/* Softmmu support */
-#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(CPUPPCState *env1, target_ulong addr, int is_write, int mmu_idx,
- uintptr_t retaddr)
-{
- TranslationBlock *tb;
- CPUPPCState *saved_env;
- int ret;
-
- saved_env = env;
- env = env1;
- ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, mmu_idx);
- if (unlikely(ret != 0)) {
- if (likely(retaddr)) {
- /* now we have a real cpu fault */
- tb = tb_find_pc(retaddr);
- if (likely(tb)) {
- /* the PC is inside the translated code. It means that we have
- a virtual CPU fault */
- cpu_restore_state(tb, env, retaddr);
- }
- }
- helper_raise_exception_err(env, env->exception_index, env->error_code);
- }
- env = saved_env;
-}
/* Segment registers load and store */
target_ulong helper_load_sr(target_ulong sr_num)
@@ -714,6 +197,28 @@ void helper_74xx_tlbi(target_ulong EPN)
do_74xx_tlb(EPN, 1);
}
+/*****************************************************************************/
+/* PowerPC 601 specific instructions (POWER bridge) */
+
+target_ulong helper_rac(target_ulong addr)
+{
+ mmu_ctx_t ctx;
+ int nb_BATs;
+ target_ulong ret = 0;
+
+ /* We don't have to generate many instances of this instruction,
+ * as rac is supervisor only.
+ */
+ /* XXX: FIX THIS: Pretend we have no BAT */
+ nb_BATs = env->nb_BATs;
+ env->nb_BATs = 0;
+ if (get_physical_address(env, &ctx, addr, 0, ACCESS_INT) == 0) {
+ ret = ctx.raddr;
+ }
+ env->nb_BATs = nb_BATs;
+ return ret;
+}
+
static inline target_ulong booke_tlb_to_page_size(int size)
{
return 1024 << (2 * size);
@@ -1374,4 +879,4 @@ void helper_booke206_tlbflush(uint32_t type)
booke206_flush_tlb(env, flags, 1);
}
-#endif /* !CONFIG_USER_ONLY */
+#endif
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 55b9e9d..c854c71 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -29,13 +29,6 @@
#endif /* !defined(CONFIG_USER_ONLY) */
//#define DEBUG_OP
-//#define DEBUG_SOFTWARE_TLB
-
-#ifdef DEBUG_SOFTWARE_TLB
-# define LOG_SWTLB(...) qemu_log(__VA_ARGS__)
-#else
-# define LOG_SWTLB(...) do { } while (0)
-#endif
/*****************************************************************************/
/* SPR accesses */
@@ -196,36 +189,6 @@ void helper_store_booke_tsr(target_ulong val)
{
store_booke_tsr(env, val);
}
-
-void helper_store_ibatu(uint32_t nr, target_ulong val)
-{
- ppc_store_ibatu(env, nr, val);
-}
-
-void helper_store_ibatl(uint32_t nr, target_ulong val)
-{
- ppc_store_ibatl(env, nr, val);
-}
-
-void helper_store_dbatu(uint32_t nr, target_ulong val)
-{
- ppc_store_dbatu(env, nr, val);
-}
-
-void helper_store_dbatl(uint32_t nr, target_ulong val)
-{
- ppc_store_dbatl(env, nr, val);
-}
-
-void helper_store_601_batl(uint32_t nr, target_ulong val)
-{
- ppc_store_ibatl_601(env, nr, val);
-}
-
-void helper_store_601_batu(uint32_t nr, target_ulong val)
-{
- ppc_store_ibatu_601(env, nr, val);
-}
#endif
/*****************************************************************************/
@@ -417,27 +380,6 @@ target_ulong helper_clcs(uint32_t arg)
}
}
-#if !defined(CONFIG_USER_ONLY)
-target_ulong helper_rac(target_ulong addr)
-{
- mmu_ctx_t ctx;
- int nb_BATs;
- target_ulong ret = 0;
-
- /* We don't have to generate many instances of this instruction,
- * as rac is supervisor only.
- */
- /* XXX: FIX THIS: Pretend we have no BAT */
- nb_BATs = env->nb_BATs;
- env->nb_BATs = 0;
- if (get_physical_address(env, &ctx, addr, 0, ACCESS_INT) == 0) {
- ret = ctx.raddr;
- }
- env->nb_BATs = nb_BATs;
- return ret;
-}
-#endif
-
/*****************************************************************************/
/* Embedded PowerPC specific helpers */
@@ -578,800 +520,4 @@ void tlb_fill(CPUPPCState *env1, target_ulong
addr, int is_write, int mmu_idx,
}
env = saved_env;
}
-
-/* Segment registers load and store */
-target_ulong helper_load_sr(target_ulong sr_num)
-{
-#if defined(TARGET_PPC64)
- if (env->mmu_model & POWERPC_MMU_64) {
- return ppc_load_sr(env, sr_num);
- }
-#endif
- return env->sr[sr_num];
-}
-
-void helper_store_sr(target_ulong sr_num, target_ulong val)
-{
- ppc_store_sr(env, sr_num, val);
-}
-
-/* SLB management */
-#if defined(TARGET_PPC64)
-void helper_store_slb(target_ulong rb, target_ulong rs)
-{
- if (ppc_store_slb(env, rb, rs) < 0) {
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL);
- }
-}
-
-target_ulong helper_load_slb_esid(target_ulong rb)
-{
- target_ulong rt;
-
- if (ppc_load_slb_esid(env, rb, &rt) < 0) {
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL);
- }
- return rt;
-}
-
-target_ulong helper_load_slb_vsid(target_ulong rb)
-{
- target_ulong rt;
-
- if (ppc_load_slb_vsid(env, rb, &rt) < 0) {
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL);
- }
- return rt;
-}
-
-void helper_slbia(void)
-{
- ppc_slb_invalidate_all(env);
-}
-
-void helper_slbie(target_ulong addr)
-{
- ppc_slb_invalidate_one(env, addr);
-}
-
-#endif /* defined(TARGET_PPC64) */
-
-/* TLB management */
-void helper_tlbia(void)
-{
- ppc_tlb_invalidate_all(env);
-}
-
-void helper_tlbie(target_ulong addr)
-{
- ppc_tlb_invalidate_one(env, addr);
-}
-
-/* Software driven TLBs management */
-/* PowerPC 602/603 software TLB load instructions helpers */
-static void do_6xx_tlb(target_ulong new_EPN, int is_code)
-{
- target_ulong RPN, CMP, EPN;
- int way;
-
- RPN = env->spr[SPR_RPA];
- if (is_code) {
- CMP = env->spr[SPR_ICMP];
- EPN = env->spr[SPR_IMISS];
- } else {
- CMP = env->spr[SPR_DCMP];
- EPN = env->spr[SPR_DMISS];
- }
- way = (env->spr[SPR_SRR1] >> 17) & 1;
- (void)EPN; /* avoid a compiler warning */
- LOG_SWTLB("%s: EPN " TARGET_FMT_lx " " TARGET_FMT_lx " PTE0 " TARGET_FMT_lx
- " PTE1 " TARGET_FMT_lx " way %d\n", __func__, new_EPN, EPN, CMP,
- RPN, way);
- /* Store this TLB */
- ppc6xx_tlb_store(env, (uint32_t)(new_EPN & TARGET_PAGE_MASK),
- way, is_code, CMP, RPN);
-}
-
-void helper_6xx_tlbd(target_ulong EPN)
-{
- do_6xx_tlb(EPN, 0);
-}
-
-void helper_6xx_tlbi(target_ulong EPN)
-{
- do_6xx_tlb(EPN, 1);
-}
-
-/* PowerPC 74xx software TLB load instructions helpers */
-static void do_74xx_tlb(target_ulong new_EPN, int is_code)
-{
- target_ulong RPN, CMP, EPN;
- int way;
-
- RPN = env->spr[SPR_PTELO];
- CMP = env->spr[SPR_PTEHI];
- EPN = env->spr[SPR_TLBMISS] & ~0x3;
- way = env->spr[SPR_TLBMISS] & 0x3;
- (void)EPN; /* avoid a compiler warning */
- LOG_SWTLB("%s: EPN " TARGET_FMT_lx " " TARGET_FMT_lx " PTE0 " TARGET_FMT_lx
- " PTE1 " TARGET_FMT_lx " way %d\n", __func__, new_EPN, EPN, CMP,
- RPN, way);
- /* Store this TLB */
- ppc6xx_tlb_store(env, (uint32_t)(new_EPN & TARGET_PAGE_MASK),
- way, is_code, CMP, RPN);
-}
-
-void helper_74xx_tlbd(target_ulong EPN)
-{
- do_74xx_tlb(EPN, 0);
-}
-
-void helper_74xx_tlbi(target_ulong EPN)
-{
- do_74xx_tlb(EPN, 1);
-}
-
-static inline target_ulong booke_tlb_to_page_size(int size)
-{
- return 1024 << (2 * size);
-}
-
-static inline int booke_page_size_to_tlb(target_ulong page_size)
-{
- int size;
-
- switch (page_size) {
- case 0x00000400UL:
- size = 0x0;
- break;
- case 0x00001000UL:
- size = 0x1;
- break;
- case 0x00004000UL:
- size = 0x2;
- break;
- case 0x00010000UL:
- size = 0x3;
- break;
- case 0x00040000UL:
- size = 0x4;
- break;
- case 0x00100000UL:
- size = 0x5;
- break;
- case 0x00400000UL:
- size = 0x6;
- break;
- case 0x01000000UL:
- size = 0x7;
- break;
- case 0x04000000UL:
- size = 0x8;
- break;
- case 0x10000000UL:
- size = 0x9;
- break;
- case 0x40000000UL:
- size = 0xA;
- break;
-#if defined(TARGET_PPC64)
- case 0x000100000000ULL:
- size = 0xB;
- break;
- case 0x000400000000ULL:
- size = 0xC;
- break;
- case 0x001000000000ULL:
- size = 0xD;
- break;
- case 0x004000000000ULL:
- size = 0xE;
- break;
- case 0x010000000000ULL:
- size = 0xF;
- break;
-#endif
- default:
- size = -1;
- break;
- }
-
- return size;
-}
-
-/* Helpers for 4xx TLB management */
-#define PPC4XX_TLB_ENTRY_MASK 0x0000003f /* Mask for 64 TLB entries */
-
-#define PPC4XX_TLBHI_V 0x00000040
-#define PPC4XX_TLBHI_E 0x00000020
-#define PPC4XX_TLBHI_SIZE_MIN 0
-#define PPC4XX_TLBHI_SIZE_MAX 7
-#define PPC4XX_TLBHI_SIZE_DEFAULT 1
-#define PPC4XX_TLBHI_SIZE_SHIFT 7
-#define PPC4XX_TLBHI_SIZE_MASK 0x00000007
-
-#define PPC4XX_TLBLO_EX 0x00000200
-#define PPC4XX_TLBLO_WR 0x00000100
-#define PPC4XX_TLBLO_ATTR_MASK 0x000000FF
-#define PPC4XX_TLBLO_RPN_MASK 0xFFFFFC00
-
-target_ulong helper_4xx_tlbre_hi(target_ulong entry)
-{
- ppcemb_tlb_t *tlb;
- target_ulong ret;
- int size;
-
- entry &= PPC4XX_TLB_ENTRY_MASK;
- tlb = &env->tlb.tlbe[entry];
- ret = tlb->EPN;
- if (tlb->prot & PAGE_VALID) {
- ret |= PPC4XX_TLBHI_V;
- }
- size = booke_page_size_to_tlb(tlb->size);
- if (size < PPC4XX_TLBHI_SIZE_MIN || size > PPC4XX_TLBHI_SIZE_MAX) {
- size = PPC4XX_TLBHI_SIZE_DEFAULT;
- }
- ret |= size << PPC4XX_TLBHI_SIZE_SHIFT;
- env->spr[SPR_40x_PID] = tlb->PID;
- return ret;
-}
-
-target_ulong helper_4xx_tlbre_lo(target_ulong entry)
-{
- ppcemb_tlb_t *tlb;
- target_ulong ret;
-
- entry &= PPC4XX_TLB_ENTRY_MASK;
- tlb = &env->tlb.tlbe[entry];
- ret = tlb->RPN;
- if (tlb->prot & PAGE_EXEC) {
- ret |= PPC4XX_TLBLO_EX;
- }
- if (tlb->prot & PAGE_WRITE) {
- ret |= PPC4XX_TLBLO_WR;
- }
- return ret;
-}
-
-void helper_4xx_tlbwe_hi(target_ulong entry, target_ulong val)
-{
- ppcemb_tlb_t *tlb;
- target_ulong page, end;
-
- LOG_SWTLB("%s entry %d val " TARGET_FMT_lx "\n", __func__, (int)entry,
- val);
- entry &= PPC4XX_TLB_ENTRY_MASK;
- tlb = &env->tlb.tlbe[entry];
- /* Invalidate previous TLB (if it's valid) */
- if (tlb->prot & PAGE_VALID) {
- end = tlb->EPN + tlb->size;
- LOG_SWTLB("%s: invalidate old TLB %d start " TARGET_FMT_lx " end "
- TARGET_FMT_lx "\n", __func__, (int)entry, tlb->EPN, end);
- for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) {
- tlb_flush_page(env, page);
- }
- }
- tlb->size = booke_tlb_to_page_size((val >> PPC4XX_TLBHI_SIZE_SHIFT)
- & PPC4XX_TLBHI_SIZE_MASK);
- /* We cannot handle TLB size < TARGET_PAGE_SIZE.
- * If this ever occurs, one should use the ppcemb target instead
- * of the ppc or ppc64 one
- */
- if ((val & PPC4XX_TLBHI_V) && tlb->size < TARGET_PAGE_SIZE) {
- cpu_abort(env, "TLB size " TARGET_FMT_lu " < %u "
- "are not supported (%d)\n",
- tlb->size, TARGET_PAGE_SIZE, (int)((val >> 7) & 0x7));
- }
- tlb->EPN = val & ~(tlb->size - 1);
- if (val & PPC4XX_TLBHI_V) {
- tlb->prot |= PAGE_VALID;
- if (val & PPC4XX_TLBHI_E) {
- /* XXX: TO BE FIXED */
- cpu_abort(env,
- "Little-endian TLB entries are not supported by now\n");
- }
- } else {
- tlb->prot &= ~PAGE_VALID;
- }
- tlb->PID = env->spr[SPR_40x_PID]; /* PID */
- LOG_SWTLB("%s: set up TLB %d RPN " TARGET_FMT_plx " EPN " TARGET_FMT_lx
- " size " TARGET_FMT_lx " prot %c%c%c%c PID %d\n", __func__,
- (int)entry, tlb->RPN, tlb->EPN, tlb->size,
- tlb->prot & PAGE_READ ? 'r' : '-',
- tlb->prot & PAGE_WRITE ? 'w' : '-',
- tlb->prot & PAGE_EXEC ? 'x' : '-',
- tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID);
- /* Invalidate new TLB (if valid) */
- if (tlb->prot & PAGE_VALID) {
- end = tlb->EPN + tlb->size;
- LOG_SWTLB("%s: invalidate TLB %d start " TARGET_FMT_lx " end "
- TARGET_FMT_lx "\n", __func__, (int)entry, tlb->EPN, end);
- for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) {
- tlb_flush_page(env, page);
- }
- }
-}
-
-void helper_4xx_tlbwe_lo(target_ulong entry, target_ulong val)
-{
- ppcemb_tlb_t *tlb;
-
- LOG_SWTLB("%s entry %i val " TARGET_FMT_lx "\n", __func__, (int)entry,
- val);
- entry &= PPC4XX_TLB_ENTRY_MASK;
- tlb = &env->tlb.tlbe[entry];
- tlb->attr = val & PPC4XX_TLBLO_ATTR_MASK;
- tlb->RPN = val & PPC4XX_TLBLO_RPN_MASK;
- tlb->prot = PAGE_READ;
- if (val & PPC4XX_TLBLO_EX) {
- tlb->prot |= PAGE_EXEC;
- }
- if (val & PPC4XX_TLBLO_WR) {
- tlb->prot |= PAGE_WRITE;
- }
- LOG_SWTLB("%s: set up TLB %d RPN " TARGET_FMT_plx " EPN " TARGET_FMT_lx
- " size " TARGET_FMT_lx " prot %c%c%c%c PID %d\n", __func__,
- (int)entry, tlb->RPN, tlb->EPN, tlb->size,
- tlb->prot & PAGE_READ ? 'r' : '-',
- tlb->prot & PAGE_WRITE ? 'w' : '-',
- tlb->prot & PAGE_EXEC ? 'x' : '-',
- tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID);
-}
-
-target_ulong helper_4xx_tlbsx(target_ulong address)
-{
- return ppcemb_tlb_search(env, address, env->spr[SPR_40x_PID]);
-}
-
-/* PowerPC 440 TLB management */
-void helper_440_tlbwe(uint32_t word, target_ulong entry, target_ulong value)
-{
- ppcemb_tlb_t *tlb;
- target_ulong EPN, RPN, size;
- int do_flush_tlbs;
-
- LOG_SWTLB("%s word %d entry %d value " TARGET_FMT_lx "\n",
- __func__, word, (int)entry, value);
- do_flush_tlbs = 0;
- entry &= 0x3F;
- tlb = &env->tlb.tlbe[entry];
- switch (word) {
- default:
- /* Just here to please gcc */
- case 0:
- EPN = value & 0xFFFFFC00;
- if ((tlb->prot & PAGE_VALID) && EPN != tlb->EPN) {
- do_flush_tlbs = 1;
- }
- tlb->EPN = EPN;
- size = booke_tlb_to_page_size((value >> 4) & 0xF);
- if ((tlb->prot & PAGE_VALID) && tlb->size < size) {
- do_flush_tlbs = 1;
- }
- tlb->size = size;
- tlb->attr &= ~0x1;
- tlb->attr |= (value >> 8) & 1;
- if (value & 0x200) {
- tlb->prot |= PAGE_VALID;
- } else {
- if (tlb->prot & PAGE_VALID) {
- tlb->prot &= ~PAGE_VALID;
- do_flush_tlbs = 1;
- }
- }
- tlb->PID = env->spr[SPR_440_MMUCR] & 0x000000FF;
- if (do_flush_tlbs) {
- tlb_flush(env, 1);
- }
- break;
- case 1:
- RPN = value & 0xFFFFFC0F;
- if ((tlb->prot & PAGE_VALID) && tlb->RPN != RPN) {
- tlb_flush(env, 1);
- }
- tlb->RPN = RPN;
- break;
- case 2:
- tlb->attr = (tlb->attr & 0x1) | (value & 0x0000FF00);
- tlb->prot = tlb->prot & PAGE_VALID;
- if (value & 0x1) {
- tlb->prot |= PAGE_READ << 4;
- }
- if (value & 0x2) {
- tlb->prot |= PAGE_WRITE << 4;
- }
- if (value & 0x4) {
- tlb->prot |= PAGE_EXEC << 4;
- }
- if (value & 0x8) {
- tlb->prot |= PAGE_READ;
- }
- if (value & 0x10) {
- tlb->prot |= PAGE_WRITE;
- }
- if (value & 0x20) {
- tlb->prot |= PAGE_EXEC;
- }
- break;
- }
-}
-
-target_ulong helper_440_tlbre(uint32_t word, target_ulong entry)
-{
- ppcemb_tlb_t *tlb;
- target_ulong ret;
- int size;
-
- entry &= 0x3F;
- tlb = &env->tlb.tlbe[entry];
- switch (word) {
- default:
- /* Just here to please gcc */
- case 0:
- ret = tlb->EPN;
- size = booke_page_size_to_tlb(tlb->size);
- if (size < 0 || size > 0xF) {
- size = 1;
- }
- ret |= size << 4;
- if (tlb->attr & 0x1) {
- ret |= 0x100;
- }
- if (tlb->prot & PAGE_VALID) {
- ret |= 0x200;
- }
- env->spr[SPR_440_MMUCR] &= ~0x000000FF;
- env->spr[SPR_440_MMUCR] |= tlb->PID;
- break;
- case 1:
- ret = tlb->RPN;
- break;
- case 2:
- ret = tlb->attr & ~0x1;
- if (tlb->prot & (PAGE_READ << 4)) {
- ret |= 0x1;
- }
- if (tlb->prot & (PAGE_WRITE << 4)) {
- ret |= 0x2;
- }
- if (tlb->prot & (PAGE_EXEC << 4)) {
- ret |= 0x4;
- }
- if (tlb->prot & PAGE_READ) {
- ret |= 0x8;
- }
- if (tlb->prot & PAGE_WRITE) {
- ret |= 0x10;
- }
- if (tlb->prot & PAGE_EXEC) {
- ret |= 0x20;
- }
- break;
- }
- return ret;
-}
-
-target_ulong helper_440_tlbsx(target_ulong address)
-{
- return ppcemb_tlb_search(env, address, env->spr[SPR_440_MMUCR] & 0xFF);
-}
-
-/* PowerPC BookE 2.06 TLB management */
-
-static ppcmas_tlb_t *booke206_cur_tlb(CPUPPCState *env)
-{
- uint32_t tlbncfg = 0;
- int esel = (env->spr[SPR_BOOKE_MAS0] & MAS0_ESEL_MASK) >> MAS0_ESEL_SHIFT;
- int ea = (env->spr[SPR_BOOKE_MAS2] & MAS2_EPN_MASK);
- int tlb;
-
- tlb = (env->spr[SPR_BOOKE_MAS0] & MAS0_TLBSEL_MASK) >> MAS0_TLBSEL_SHIFT;
- tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlb];
-
- if ((tlbncfg & TLBnCFG_HES) && (env->spr[SPR_BOOKE_MAS0] & MAS0_HES)) {
- cpu_abort(env, "we don't support HES yet\n");
- }
-
- return booke206_get_tlbm(env, tlb, ea, esel);
-}
-
-void helper_booke_setpid(uint32_t pidn, target_ulong pid)
-{
- env->spr[pidn] = pid;
- /* changing PIDs mean we're in a different address space now */
- tlb_flush(env, 1);
-}
-
-void helper_booke206_tlbwe(void)
-{
- uint32_t tlbncfg, tlbn;
- ppcmas_tlb_t *tlb;
- uint32_t size_tlb, size_ps;
-
- switch (env->spr[SPR_BOOKE_MAS0] & MAS0_WQ_MASK) {
- case MAS0_WQ_ALWAYS:
- /* good to go, write that entry */
- break;
- case MAS0_WQ_COND:
- /* XXX check if reserved */
- if (0) {
- return;
- }
- break;
- case MAS0_WQ_CLR_RSRV:
- /* XXX clear entry */
- return;
- default:
- /* no idea what to do */
- return;
- }
-
- if (((env->spr[SPR_BOOKE_MAS0] & MAS0_ATSEL) == MAS0_ATSEL_LRAT) &&
- !msr_gs) {
- /* XXX we don't support direct LRAT setting yet */
- fprintf(stderr, "cpu: don't support LRAT setting yet\n");
- return;
- }
-
- tlbn = (env->spr[SPR_BOOKE_MAS0] & MAS0_TLBSEL_MASK) >> MAS0_TLBSEL_SHIFT;
- tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn];
-
- tlb = booke206_cur_tlb(env);
-
- if (!tlb) {
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL |
- POWERPC_EXCP_INVAL_INVAL);
- }
-
- /* check that we support the targeted size */
- size_tlb = (env->spr[SPR_BOOKE_MAS1] & MAS1_TSIZE_MASK) >>
MAS1_TSIZE_SHIFT;
- size_ps = booke206_tlbnps(env, tlbn);
- if ((env->spr[SPR_BOOKE_MAS1] & MAS1_VALID) && (tlbncfg & TLBnCFG_AVAIL) &&
- !(size_ps & (1 << size_tlb))) {
- helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
- POWERPC_EXCP_INVAL |
- POWERPC_EXCP_INVAL_INVAL);
- }
-
- if (msr_gs) {
- cpu_abort(env, "missing HV implementation\n");
- }
- tlb->mas7_3 = ((uint64_t)env->spr[SPR_BOOKE_MAS7] << 32) |
- env->spr[SPR_BOOKE_MAS3];
- tlb->mas1 = env->spr[SPR_BOOKE_MAS1];
-
- /* MAV 1.0 only */
- if (!(tlbncfg & TLBnCFG_AVAIL)) {
- /* force !AVAIL TLB entries to correct page size */
- tlb->mas1 &= ~MAS1_TSIZE_MASK;
- /* XXX can be configured in MMUCSR0 */
- tlb->mas1 |= (tlbncfg & TLBnCFG_MINSIZE) >> 12;
- }
-
- /* XXX needs to change when supporting 64-bit e500 */
- tlb->mas2 = env->spr[SPR_BOOKE_MAS2] & 0xffffffff;
-
- if (!(tlbncfg & TLBnCFG_IPROT)) {
- /* no IPROT supported by TLB */
- tlb->mas1 &= ~MAS1_IPROT;
- }
-
- if (booke206_tlb_to_page_size(env, tlb) == TARGET_PAGE_SIZE) {
- tlb_flush_page(env, tlb->mas2 & MAS2_EPN_MASK);
- } else {
- tlb_flush(env, 1);
- }
-}
-
-static inline void booke206_tlb_to_mas(CPUPPCState *env, ppcmas_tlb_t *tlb)
-{
- int tlbn = booke206_tlbm_to_tlbn(env, tlb);
- int way = booke206_tlbm_to_way(env, tlb);
-
- env->spr[SPR_BOOKE_MAS0] = tlbn << MAS0_TLBSEL_SHIFT;
- env->spr[SPR_BOOKE_MAS0] |= way << MAS0_ESEL_SHIFT;
- env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT;
-
- env->spr[SPR_BOOKE_MAS1] = tlb->mas1;
- env->spr[SPR_BOOKE_MAS2] = tlb->mas2;
- env->spr[SPR_BOOKE_MAS3] = tlb->mas7_3;
- env->spr[SPR_BOOKE_MAS7] = tlb->mas7_3 >> 32;
-}
-
-void helper_booke206_tlbre(void)
-{
- ppcmas_tlb_t *tlb = NULL;
-
- tlb = booke206_cur_tlb(env);
- if (!tlb) {
- env->spr[SPR_BOOKE_MAS1] = 0;
- } else {
- booke206_tlb_to_mas(env, tlb);
- }
-}
-
-void helper_booke206_tlbsx(target_ulong address)
-{
- ppcmas_tlb_t *tlb = NULL;
- int i, j;
- target_phys_addr_t raddr;
- uint32_t spid, sas;
-
- spid = (env->spr[SPR_BOOKE_MAS6] & MAS6_SPID_MASK) >> MAS6_SPID_SHIFT;
- sas = env->spr[SPR_BOOKE_MAS6] & MAS6_SAS;
-
- for (i = 0; i < BOOKE206_MAX_TLBN; i++) {
- int ways = booke206_tlb_ways(env, i);
-
- for (j = 0; j < ways; j++) {
- tlb = booke206_get_tlbm(env, i, address, j);
-
- if (!tlb) {
- continue;
- }
-
- if (ppcmas_tlb_check(env, tlb, &raddr, address, spid)) {
- continue;
- }
-
- if (sas != ((tlb->mas1 & MAS1_TS) >> MAS1_TS_SHIFT)) {
- continue;
- }
-
- booke206_tlb_to_mas(env, tlb);
- return;
- }
- }
-
- /* no entry found, fill with defaults */
- env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK;
- env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK;
- env->spr[SPR_BOOKE_MAS2] = env->spr[SPR_BOOKE_MAS4] & MAS4_WIMGED_MASK;
- env->spr[SPR_BOOKE_MAS3] = 0;
- env->spr[SPR_BOOKE_MAS7] = 0;
-
- if (env->spr[SPR_BOOKE_MAS6] & MAS6_SAS) {
- env->spr[SPR_BOOKE_MAS1] |= MAS1_TS;
- }
-
- env->spr[SPR_BOOKE_MAS1] |= (env->spr[SPR_BOOKE_MAS6] >> 16)
- << MAS1_TID_SHIFT;
-
- /* next victim logic */
- env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_ESEL_SHIFT;
- env->last_way++;
- env->last_way &= booke206_tlb_ways(env, 0) - 1;
- env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT;
-}
-
-static inline void booke206_invalidate_ea_tlb(CPUPPCState *env, int tlbn,
- uint32_t ea)
-{
- int i;
- int ways = booke206_tlb_ways(env, tlbn);
- target_ulong mask;
-
- for (i = 0; i < ways; i++) {
- ppcmas_tlb_t *tlb = booke206_get_tlbm(env, tlbn, ea, i);
- if (!tlb) {
- continue;
- }
- mask = ~(booke206_tlb_to_page_size(env, tlb) - 1);
- if (((tlb->mas2 & MAS2_EPN_MASK) == (ea & mask)) &&
- !(tlb->mas1 & MAS1_IPROT)) {
- tlb->mas1 &= ~MAS1_VALID;
- }
- }
-}
-
-void helper_booke206_tlbivax(target_ulong address)
-{
- if (address & 0x4) {
- /* flush all entries */
- if (address & 0x8) {
- /* flush all of TLB1 */
- booke206_flush_tlb(env, BOOKE206_FLUSH_TLB1, 1);
- } else {
- /* flush all of TLB0 */
- booke206_flush_tlb(env, BOOKE206_FLUSH_TLB0, 0);
- }
- return;
- }
-
- if (address & 0x8) {
- /* flush TLB1 entries */
- booke206_invalidate_ea_tlb(env, 1, address);
- tlb_flush(env, 1);
- } else {
- /* flush TLB0 entries */
- booke206_invalidate_ea_tlb(env, 0, address);
- tlb_flush_page(env, address & MAS2_EPN_MASK);
- }
-}
-
-void helper_booke206_tlbilx0(target_ulong address)
-{
- /* XXX missing LPID handling */
- booke206_flush_tlb(env, -1, 1);
-}
-
-void helper_booke206_tlbilx1(target_ulong address)
-{
- int i, j;
- int tid = (env->spr[SPR_BOOKE_MAS6] & MAS6_SPID);
- ppcmas_tlb_t *tlb = env->tlb.tlbm;
- int tlb_size;
-
- /* XXX missing LPID handling */
- for (i = 0; i < BOOKE206_MAX_TLBN; i++) {
- tlb_size = booke206_tlb_size(env, i);
- for (j = 0; j < tlb_size; j++) {
- if (!(tlb[j].mas1 & MAS1_IPROT) &&
- ((tlb[j].mas1 & MAS1_TID_MASK) == tid)) {
- tlb[j].mas1 &= ~MAS1_VALID;
- }
- }
- tlb += booke206_tlb_size(env, i);
- }
- tlb_flush(env, 1);
-}
-
-void helper_booke206_tlbilx3(target_ulong address)
-{
- int i, j;
- ppcmas_tlb_t *tlb;
- int tid = (env->spr[SPR_BOOKE_MAS6] & MAS6_SPID);
- int pid = tid >> MAS6_SPID_SHIFT;
- int sgs = env->spr[SPR_BOOKE_MAS5] & MAS5_SGS;
- int ind = (env->spr[SPR_BOOKE_MAS6] & MAS6_SIND) ? MAS1_IND : 0;
- /* XXX check for unsupported isize and raise an invalid opcode then */
- int size = env->spr[SPR_BOOKE_MAS6] & MAS6_ISIZE_MASK;
- /* XXX implement MAV2 handling */
- bool mav2 = false;
-
- /* XXX missing LPID handling */
- /* flush by pid and ea */
- for (i = 0; i < BOOKE206_MAX_TLBN; i++) {
- int ways = booke206_tlb_ways(env, i);
-
- for (j = 0; j < ways; j++) {
- tlb = booke206_get_tlbm(env, i, address, j);
- if (!tlb) {
- continue;
- }
- if ((ppcmas_tlb_check(env, tlb, NULL, address, pid) != 0) ||
- (tlb->mas1 & MAS1_IPROT) ||
- ((tlb->mas1 & MAS1_IND) != ind) ||
- ((tlb->mas8 & MAS8_TGS) != sgs)) {
- continue;
- }
- if (mav2 && ((tlb->mas1 & MAS1_TSIZE_MASK) != size)) {
- /* XXX only check when MMUCFG[TWC] || TLBnCFG[HES] */
- continue;
- }
- /* XXX e500mc doesn't match SAS, but other cores might */
- tlb->mas1 &= ~MAS1_VALID;
- }
- }
- tlb_flush(env, 1);
-}
-
-void helper_booke206_tlbflush(uint32_t type)
-{
- int flags = 0;
-
- if (type & 2) {
- flags |= BOOKE206_FLUSH_TLB1;
- }
-
- if (type & 4) {
- flags |= BOOKE206_FLUSH_TLB0;
- }
-
- booke206_flush_tlb(env, flags, 1);
-}
#endif /* !CONFIG_USER_ONLY */
--
1.7.10
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