From: Blue Swirl <blauwirbel@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [4902] Implement nucleus quad ldda
Date: Sat, 19 Jul 2008 13:25:29 +0000 [thread overview]
Message-ID: <E1KKCRF-00073P-Gs@cvs.savannah.gnu.org> (raw)
Revision: 4902
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4902
Author: blueswir1
Date: 2008-07-19 13:25:28 +0000 (Sat, 19 Jul 2008)
Log Message:
-----------
Implement nucleus quad ldda
Modified Paths:
--------------
trunk/target-sparc/helper.h
trunk/target-sparc/op_helper.c
trunk/target-sparc/translate.c
Modified: trunk/target-sparc/helper.h
===================================================================
--- trunk/target-sparc/helper.h 2008-07-19 13:04:26 UTC (rev 4901)
+++ trunk/target-sparc/helper.h 2008-07-19 13:25:28 UTC (rev 4902)
@@ -22,6 +22,7 @@
DEF_HELPER(target_ulong, helper_alignaddr, (target_ulong addr, \
target_ulong offset))
DEF_HELPER(target_ulong, helper_popc, (target_ulong val))
+DEF_HELPER(void, helper_ldda_asi, (target_ulong addr, int asi, int rd))
DEF_HELPER(void, helper_ldf_asi, (target_ulong addr, int asi, int size, int rd))
DEF_HELPER(void, helper_stf_asi, (target_ulong addr, int asi, int size, int rd))
DEF_HELPER(target_ulong, helper_cas_asi, (target_ulong addr, \
Modified: trunk/target-sparc/op_helper.c
===================================================================
--- trunk/target-sparc/op_helper.c 2008-07-19 13:04:26 UTC (rev 4901)
+++ trunk/target-sparc/op_helper.c 2008-07-19 13:25:28 UTC (rev 4902)
@@ -1634,12 +1634,15 @@
}
break;
}
+ case 0x24: // Nucleus quad LDD 128 bit atomic
+ case 0x2c: // Nucleus quad LDD 128 bit atomic LE
+ // Only ldda allowed
+ raise_exception(TT_ILL_INSN);
+ return 0;
case 0x04: // Nucleus
case 0x0c: // Nucleus Little Endian (LE)
case 0x11: // As if user secondary
case 0x19: // As if user secondary LE
- case 0x24: // Nucleus quad LDD 128 bit atomic
- case 0x2c: // Nucleus quad LDD 128 bit atomic
case 0x4a: // UPA config
case 0x81: // Secondary
case 0x83: // Secondary no-fault
@@ -1943,12 +1946,15 @@
}
}
return;
+ case 0x24: // Nucleus quad LDD 128 bit atomic
+ case 0x2c: // Nucleus quad LDD 128 bit atomic LE
+ // Only ldda allowed
+ raise_exception(TT_ILL_INSN);
+ return;
case 0x04: // Nucleus
case 0x0c: // Nucleus Little Endian (LE)
case 0x11: // As if user secondary
case 0x19: // As if user secondary LE
- case 0x24: // Nucleus quad LDD 128 bit atomic
- case 0x2c: // Nucleus quad LDD 128 bit atomic
case 0x4a: // UPA config
case 0x81: // Secondary
case 0x89: // Secondary LE
@@ -2144,6 +2150,53 @@
}
#endif /* CONFIG_USER_ONLY */
+void helper_ldda_asi(target_ulong addr, int asi, int rd)
+{
+ unsigned int i;
+
+ if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
+ || (asi >= 0x30 && asi < 0x80 && !(env->hpstate & HS_PRIV)))
+ raise_exception(TT_PRIV_ACT);
+
+ switch (asi) {
+ case 0x24: // Nucleus quad LDD 128 bit atomic
+ case 0x2c: // Nucleus quad LDD 128 bit atomic LE
+ helper_check_align(addr, 0xf);
+ if (rd == 0) {
+ env->gregs[1] = ldq_kernel(addr + 8);
+ if (asi == 0x2c)
+ bswap64s(&env->gregs[1]);
+ } else if (rd < 8) {
+ env->gregs[rd] = ldq_kernel(addr);
+ env->gregs[rd + 1] = ldq_kernel(addr + 8);
+ if (asi == 0x2c) {
+ bswap64s(&env->gregs[rd]);
+ bswap64s(&env->gregs[rd + 1]);
+ }
+ } else {
+ env->regwptr[rd] = ldq_kernel(addr);
+ env->regwptr[rd + 1] = ldq_kernel(addr + 8);
+ if (asi == 0x2c) {
+ bswap64s(&env->regwptr[rd]);
+ bswap64s(&env->regwptr[rd + 1]);
+ }
+ }
+ break;
+ default:
+ helper_check_align(addr, 0x3);
+ if (rd == 0)
+ env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
+ else if (rd < 8) {
+ env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
+ env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
+ } else {
+ env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
+ env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
+ }
+ break;
+ }
+}
+
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
{
unsigned int i;
Modified: trunk/target-sparc/translate.c
===================================================================
--- trunk/target-sparc/translate.c 2008-07-19 13:04:26 UTC (rev 4901)
+++ trunk/target-sparc/translate.c 2008-07-19 13:25:28 UTC (rev 4902)
@@ -1722,20 +1722,15 @@
tcg_gen_trunc_i64_tl(dst, cpu_tmp64);
}
-static inline void gen_ldda_asi(TCGv lo, TCGv hi, TCGv addr, int insn)
+static inline void gen_ldda_asi(TCGv hi, TCGv addr, int insn, int rd)
{
- TCGv r_asi, r_size, r_sign;
+ TCGv r_asi, r_rd;
r_asi = gen_get_asi(insn, addr);
- r_size = tcg_const_i32(8);
- r_sign = tcg_const_i32(0);
- tcg_gen_helper_1_4(helper_ld_asi, cpu_tmp64, addr, r_asi, r_size, r_sign);
- tcg_temp_free(r_sign);
- tcg_temp_free(r_size);
+ r_rd = tcg_const_i32(rd);
+ tcg_gen_helper_0_3(helper_ldda_asi, addr, r_asi, r_rd);
+ tcg_temp_free(r_rd);
tcg_temp_free(r_asi);
- tcg_gen_andi_i64(lo, cpu_tmp64, 0xffffffffULL);
- tcg_gen_shri_i64(cpu_tmp64, cpu_tmp64, 32);
- tcg_gen_andi_i64(hi, cpu_tmp64, 0xffffffffULL);
}
static inline void gen_stda_asi(TCGv hi, TCGv addr, int insn, int rd)
@@ -1822,7 +1817,7 @@
tcg_gen_trunc_i64_tl(dst, cpu_tmp64);
}
-static inline void gen_ldda_asi(TCGv lo, TCGv hi, TCGv addr, int insn)
+static inline void gen_ldda_asi(TCGv hi, TCGv addr, int insn, int rd)
{
TCGv r_asi, r_size, r_sign;
@@ -1833,9 +1828,11 @@
tcg_temp_free(r_sign);
tcg_temp_free(r_size);
tcg_temp_free(r_asi);
- tcg_gen_trunc_i64_tl(lo, cpu_tmp64);
+ tcg_gen_trunc_i64_tl(cpu_tmp0, cpu_tmp64);
+ gen_movl_TN_reg(rd + 1, cpu_tmp0);
tcg_gen_shri_i64(cpu_tmp64, cpu_tmp64, 32);
tcg_gen_trunc_i64_tl(hi, cpu_tmp64);
+ gen_movl_TN_reg(rd, hi);
}
static inline void gen_stda_asi(TCGv hi, TCGv addr, int insn, int rd)
@@ -4310,9 +4307,8 @@
if (rd & 1)
goto illegal_insn;
save_state(dc, cpu_cond);
- gen_ldda_asi(cpu_tmp0, cpu_val, cpu_addr, insn);
- gen_movl_TN_reg(rd + 1, cpu_tmp0);
- break;
+ gen_ldda_asi(cpu_val, cpu_addr, insn, rd);
+ goto skip_move;
case 0x19: /* load signed byte alternate */
#ifndef TARGET_SPARC64
if (IS_IMM)
@@ -4403,7 +4399,7 @@
goto illegal_insn;
}
gen_movl_TN_reg(rd, cpu_val);
-#ifdef TARGET_SPARC64
+#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
skip_move: ;
#endif
} else if (xop >= 0x20 && xop < 0x24) {
reply other threads:[~2008-07-19 13:25 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=E1KKCRF-00073P-Gs@cvs.savannah.gnu.org \
--to=blauwirbel@gmail.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).