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authorGabe Black <gblack@eecs.umich.edu>2008-06-12 00:51:57 -0400
committerGabe Black <gblack@eecs.umich.edu>2008-06-12 00:51:57 -0400
commit129831c116a6c7031093df624761f8d67bf4e115 (patch)
treeaf07b163722e6f5568a4b68d0064d3ec2eb5b839 /src/arch/x86/isa/insts
parentb05299253fdd5a8a913f2799b7cdd2df040c8559 (diff)
downloadgem5-129831c116a6c7031093df624761f8d67bf4e115.tar.xz
X86: Make pushes and pops use the stack size instead of the data size.
Diffstat (limited to 'src/arch/x86/isa/insts')
-rw-r--r--src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py96
-rw-r--r--src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py6
2 files changed, 51 insertions, 51 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py b/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py
index 6c51f3171..64efd7dc9 100644
--- a/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py
+++ b/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2007 The Hewlett-Packard Development Company
+# Copyright (c) 2007-2008 The Hewlett-Packard Development Company
# All rights reserved.
#
# Redistribution and use of this software in source and binary forms,
@@ -58,8 +58,8 @@ def macroop POP_R {
# Make the default data size of pops 64 bits in 64 bit mode
.adjust_env oszIn64Override
- ld t1, ss, [1, t0, rsp]
- addi rsp, rsp, dsz
+ ld t1, ss, [1, t0, rsp], dataSize=ssz
+ addi rsp, rsp, ssz, dataSize=asz
mov reg, reg, t1
};
@@ -67,10 +67,10 @@ def macroop POP_M {
# Make the default data size of pops 64 bits in 64 bit mode
.adjust_env oszIn64Override
- ld t1, ss, [1, t0, rsp]
- cda seg, sib, disp
- addi rsp, rsp, dsz
- st t1, seg, sib, disp
+ ld t1, ss, [1, t0, rsp], dataSize=ssz
+ cda seg, sib, disp, dataSize=ssz
+ addi rsp, rsp, ssz, dataSize=asz
+ st t1, seg, sib, disp, dataSize=ssz
};
def macroop POP_P {
@@ -78,17 +78,17 @@ def macroop POP_P {
.adjust_env oszIn64Override
rdip t7
- ld t1, ss, [1, t0, rsp]
- cda seg, sib, disp
- addi rsp, rsp, dsz
- st t1, seg, riprel, disp
+ ld t1, ss, [1, t0, rsp], dataSize=ssz
+ cda seg, sib, disp, dataSize=ssz
+ addi rsp, rsp, ssz, dataSize=asz
+ st t1, seg, riprel, disp, dataSize=ssz
};
def macroop PUSH_R {
# Make the default data size of pops 64 bits in 64 bit mode
.adjust_env oszIn64Override
- stupd reg, ss, [1, t0, rsp], "-env.dataSize"
+ stupd reg, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
};
def macroop PUSH_I {
@@ -96,15 +96,15 @@ def macroop PUSH_I {
.adjust_env oszIn64Override
limm t1, imm
- stupd t1, ss, [1, t0, rsp], "-env.dataSize"
+ stupd t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
};
def macroop PUSH_M {
# Make the default data size of pops 64 bits in 64 bit mode
.adjust_env oszIn64Override
- ld t1, seg, sib, disp
- stupd t1, ss, [1, t0, rsp], "-env.dataSize"
+ ld t1, seg, sib, disp, dataSize=ssz
+ stupd t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
};
def macroop PUSH_P {
@@ -112,48 +112,48 @@ def macroop PUSH_P {
.adjust_env oszIn64Override
rdip t7
- ld t1, seg, riprel, disp
- stupd t1, ss, [1, t0, rsp], "-env.dataSize"
+ ld t1, seg, riprel, disp, dataSize=ssz
+ stupd t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
};
def macroop PUSHA {
# Check all the stack addresses. We'll assume that if the beginning and
# end are ok, then the stuff in the middle should be as well.
- cda ss, [1, t0, rsp], "-env.dataSize"
- cda ss, [1, t0, rsp], "-8 * env.dataSize"
- stupd rax, ss, [1, t0, rsp], "-env.dataSize"
- stupd rcx, ss, [1, t0, rsp], "-env.dataSize"
- stupd rdx, ss, [1, t0, rsp], "-env.dataSize"
- stupd rbx, ss, [1, t0, rsp], "-env.dataSize"
- stupd rsp, ss, [1, t0, rsp], "-env.dataSize"
- stupd rbp, ss, [1, t0, rsp], "-env.dataSize"
- stupd rsi, ss, [1, t0, rsp], "-env.dataSize"
- stupd rdi, ss, [1, t0, rsp], "-env.dataSize"
+ cda ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
+ cda ss, [1, t0, rsp], "-8 * env.stackSize", dataSize=ssz
+ stupd rax, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
+ stupd rcx, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
+ stupd rdx, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
+ stupd rbx, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
+ stupd rsp, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
+ stupd rbp, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
+ stupd rsi, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
+ stupd rdi, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
};
def macroop POPA {
# Check all the stack addresses. We'll assume that if the beginning and
# end are ok, then the stuff in the middle should be as well.
- ld t1, ss, [1, t0, rsp], "0 * env.dataSize"
- ld t2, ss, [1, t0, rsp], "7 * env.dataSize"
- mov rdi, rdi, t1
- ld rsi, ss, [1, t0, rsp], "1 * env.dataSize"
- ld rbp, ss, [1, t0, rsp], "2 * env.dataSize"
- ld rbx, ss, [1, t0, rsp], "4 * env.dataSize"
- ld rdx, ss, [1, t0, rsp], "5 * env.dataSize"
- ld rcx, ss, [1, t0, rsp], "6 * env.dataSize"
- mov rax, rax, t2
- addi rsp, rsp, "8 * env.dataSize"
+ ld t1, ss, [1, t0, rsp], "0 * env.stackSize", dataSize=ssz
+ ld t2, ss, [1, t0, rsp], "7 * env.stackSize", dataSize=ssz
+ mov rdi, rdi, t1, dataSize=ssz
+ ld rsi, ss, [1, t0, rsp], "1 * env.stackSize", dataSize=ssz
+ ld rbp, ss, [1, t0, rsp], "2 * env.stackSize", dataSize=ssz
+ ld rbx, ss, [1, t0, rsp], "4 * env.stackSize", dataSize=ssz
+ ld rdx, ss, [1, t0, rsp], "5 * env.stackSize", dataSize=ssz
+ ld rcx, ss, [1, t0, rsp], "6 * env.stackSize", dataSize=ssz
+ mov rax, rax, t2, dataSize=ssz
+ addi rsp, rsp, "8 * env.stackSize", dataSize=asz
};
def macroop LEAVE {
# Make the default data size of pops 64 bits in 64 bit mode
.adjust_env oszIn64Override
- mov t1, t1, rbp
- ld rbp, ss, [1, t0, t1]
- mov rsp, rsp, t1
- addi rsp, rsp, dsz
+ mov t1, t1, rbp, dataSize=asz
+ ld rbp, ss, [1, t0, t1], dataSize=ssz
+ mov rsp, rsp, t1, dataSize=asz
+ addi rsp, rsp, ssz, dataSize=asz
};
def macroop ENTER_I_I {
@@ -168,10 +168,10 @@ def macroop ENTER_I_I {
# t1 is now the masked nesting level, and t2 is the amount of storage.
# Push rbp.
- stupd rbp, ss, [1, t0, rsp], "-env.dataSize"
+ stupd rbp, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
# Save the stack pointer for later
- mov t6, t6, rsp
+ mov t6, t6, rsp, dataSize=asz
# If the nesting level is zero, skip all this stuff.
subi t0, t1, t0, flags=(EZF,), dataSize=2
@@ -183,8 +183,8 @@ def macroop ENTER_I_I {
limm t4, "ULL(-1)", dataSize=8
topOfLoop:
- ld t5, ss, [dsz, t4, rbp]
- stupd t5, ss, [1, t0, rsp], "-env.dataSize"
+ ld t5, ss, [ssz, t4, rbp], dataSize=ssz
+ stupd t5, ss, [1, t0, rsp], "-env.stackSize"
# If we're not done yet, loop
subi t4, t4, 1, dataSize=8
@@ -193,10 +193,10 @@ topOfLoop:
bottomOfLoop:
# Push the old rbp onto the stack
- stupd t6, ss, [1, t0, rsp], "-env.dataSize"
+ stupd t6, ss, [1, t0, rsp], "-env.stackSize"
skipLoop:
- sub rsp, rsp, t2
- mov rbp, rbp, t6
+ sub rsp, rsp, t2, dataSize=asz
+ mov rbp, rbp, t6, dataSize=asz
};
'''
diff --git a/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py b/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py
index 5937ac074..59f6aaec2 100644
--- a/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py
+++ b/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py
@@ -58,14 +58,14 @@ def macroop PUSHF {
.adjust_env oszIn64Override
rflags t1
- stupd t1, ss, [1, t0, rsp], "-env.dataSize"
+ stupd t1, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz
};
def macroop POPF {
.adjust_env oszIn64Override
- ld t1, ss, [1, t0, rsp]
- addi rsp, rsp, dsz
+ ld t1, ss, [1, t0, rsp], dataSize=ssz
+ addi rsp, rsp, ssz
wrflags t1, t0
};
'''