mirror of
https://github.com/Rockbox/rockbox.git
synced 2025-10-14 02:27:39 -04:00
Add new asmdefs mechanism for exporting information only available to the C compiler for use in asm files, and use it in arm jpeg idct. See apps/apps.make, apps/core_asmdefs.c, and apps/recorder/jpeg_idct_arm.S for details.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21831 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andrew Mahone
parent
36eeecbe9a
commit
668a769ca4
6 changed files with 87 additions and 152 deletions
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@ -24,3 +24,5 @@ features $(BUILDDIR)/apps/features $(BUILDDIR)/apps/genlang-features: $(APPSDIR)
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grep -v "^\#" | grep -v "^$$" > $(BUILDDIR)/apps/features; \
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grep -v "^\#" | grep -v "^$$" > $(BUILDDIR)/apps/features; \
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for f in `cat $(BUILDDIR)/apps/features`; do feat="$$feat:$$f" ; done ; \
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for f in `cat $(BUILDDIR)/apps/features`; do feat="$$feat:$$f" ; done ; \
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echo "$$feat" >$(BUILDDIR)/apps/genlang-features
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echo "$$feat" >$(BUILDDIR)/apps/genlang-features
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ASMDEFS_SRC += $(APPSDIR)/core_asmdefs.c
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17
apps/core_asmdefs.c
Normal file
17
apps/core_asmdefs.c
Normal file
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@ -0,0 +1,17 @@
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#include <config.h>
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#include <bmp.h>
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/* To export a value for use in assembly files, define an int or unsigned here
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* named AD_<name> and include apps/core_asmdefs.h in the assembly file.
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* Identifiers without the AD_ prefix will be ignored, and can be used to
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* create instances of structs for finding offsets to individual members.
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*/
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/* Size of a pixel with 8-bit components. */
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const int AD_pix8_size =
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#ifdef HAVE_LCD_COLOR
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sizeof(struct uint8_rgb);
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#else
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1;
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#endif
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@ -22,6 +22,7 @@
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*
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*
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****************************************************************************/
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****************************************************************************/
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#include "config.h"
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#include "config.h"
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#include "apps/core_asmdefs.h"
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.section .text
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.section .text
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.align 2
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.align 2
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@ -130,13 +131,8 @@ jpeg_idct2h:
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mvnhi r5, r5, asr #31
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mvnhi r5, r5, asr #31
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cmp r4, #255
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cmp r4, #255
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mvnhi r4, r4, asr #31
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mvnhi r4, r4, asr #31
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#ifdef HAVE_LCD_COLOR
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strb r5, [r1]
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strb r5, [r1]
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strb r4, [r1, #4]
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strb r4, [r1, #pix8_size]
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#else
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strb r5, [r1]
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strb r4, [r1, #1]
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#endif
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add r0, r0, #16
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add r0, r0, #16
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add r1, r1, r3
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add r1, r1, r3
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cmp r0, r2
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cmp r0, r2
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@ -152,13 +148,8 @@ jpeg_idct2h:
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usat r4, #8, r12, asr #21
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usat r4, #8, r12, asr #21
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sxth r12, r12
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sxth r12, r12
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usat r12, #8, r12, asr #5
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usat r12, #8, r12, asr #5
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#ifdef HAVE_LCD_COLOR
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strb r4, [r1]
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strb r4, [r1]
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strb r12, [r1, #4]
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strb r12, [r1, #pix8_size]
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#else
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strb r4, [r1]
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strb r12, [r1, #1]
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#endif
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add r0, r0, #16
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add r0, r0, #16
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add r1, r1, r3
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add r1, r1, r3
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cmp r0, r2
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cmp r0, r2
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@ -325,17 +316,10 @@ jpeg_idct4h:
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mvnhi r4, r4, asr #31
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mvnhi r4, r4, asr #31
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cmp r5, #255
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cmp r5, #255
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mvnhi r5, r5, asr #31
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mvnhi r5, r5, asr #31
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#ifdef HAVE_LCD_COLOR
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strb r9, [r1]
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strb r9, [r1]
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strb r8, [r1, #4]
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strb r8, [r1, #pix8_size]
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strb r4, [r1, #8]
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strb r4, [r1, #2*pix8_size]
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strb r5, [r1, #12]
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strb r5, [r1, #3*pix8_size]
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#else
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strb r9, [r1]
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strb r8, [r1, #1]
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strb r4, [r1, #2]
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strb r5, [r1, #3]
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#endif
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add r0, r0, #16
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add r0, r0, #16
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add r1, r1, r3
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add r1, r1, r3
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cmp r0, r2
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cmp r0, r2
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@ -372,17 +356,10 @@ jpeg_idct4h:
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mvnhi r12, r12, asr #31
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mvnhi r12, r12, asr #31
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cmp r9, #255
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cmp r9, #255
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mvnhi r9, r9, asr #31
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mvnhi r9, r9, asr #31
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#ifdef HAVE_LCD_COLOR
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strb r6, [r1]
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strb r6, [r1]
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strb r14, [r1, #4]
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strb r14, [r1, #pix8_size]
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strb r12, [r1, #8]
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strb r12, [r1, #2*pix8_size]
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strb r9, [r1, #12]
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strb r9, [r1, #3*pix8_size]
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#else
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strb r6, [r1]
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strb r14, [r1, #1]
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strb r12, [r1, #2]
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strb r9, [r1, #3]
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#endif
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add r0, r0, #16
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add r0, r0, #16
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add r1, r1, r3
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add r1, r1, r3
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cmp r0, r2
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cmp r0, r2
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@ -410,17 +387,10 @@ jpeg_idct4h:
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usat r6, #8, r6, asr #18
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usat r6, #8, r6, asr #18
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usat r12, #8, r12, asr #18
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usat r12, #8, r12, asr #18
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usat r14, #8, r14, asr #18
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usat r14, #8, r14, asr #18
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#ifdef HAVE_LCD_COLOR
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strb r8, [r1]
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strb r8, [r1]
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strb r6, [r1, #12]
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strb r6, [r1, #3*pix8_size]
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strb r12, [r1, #4]
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strb r12, [r1, #pix8_size]
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strb r14, [r1, #8]
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strb r14, [r1, #2*pix8_size]
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#else
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strb r8, [r1]
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strb r6, [r1, #3]
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strb r12, [r1, #1]
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strb r14, [r1, #2]
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#endif
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add r0, r0, #16
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add r0, r0, #16
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add r1, r1, r3
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add r1, r1, r3
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cmp r0, r2
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cmp r0, r2
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@ -645,25 +615,14 @@ jpeg_idct8h:
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mov r8, r8, asr #21
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mov r8, r8, asr #21
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cmp r8, #255
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cmp r8, #255
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mvnhi r8, r8, asr #31
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mvnhi r8, r8, asr #31
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#ifdef HAVE_LCD_COLOR
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strb r8, [r1]
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strb r8, [r1]
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strb r8, [r1, #4]
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strb r8, [r1, #pix8_size]
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strb r8, [r1, #8]
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strb r8, [r1, #2*pix8_size]
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strb r8, [r1, #12]
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strb r8, [r1, #3*pix8_size]
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strb r8, [r1, #16]
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strb r8, [r1, #4*pix8_size]
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strb r8, [r1, #20]
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strb r8, [r1, #5*pix8_size]
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strb r8, [r1, #24]
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strb r8, [r1, #6*pix8_size]
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strb r8, [r1, #28]
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strb r8, [r1, #7*pix8_size]
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#else
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strb r8, [r1]
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strb r8, [r1, #1]
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strb r8, [r1, #2]
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strb r8, [r1, #3]
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strb r8, [r1, #4]
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strb r8, [r1, #5]
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strb r8, [r1, #6]
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strb r8, [r1, #7]
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#endif
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add r1, r1, r3
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add r1, r1, r3
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cmp r0, r2
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cmp r0, r2
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bcc 1b
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bcc 1b
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@ -752,25 +711,14 @@ jpeg_idct8h:
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mov r14, r14, asr #18
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mov r14, r14, asr #18
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cmp r14, #255
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cmp r14, #255
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mvnhi r14, r14, asr #31
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mvnhi r14, r14, asr #31
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#ifdef HAVE_LCD_COLOR
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strb r12, [r1]
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strb r12, [r1]
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strb r4, [r1, #4]
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strb r4, [r1, #pix8_size]
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strb r10, [r1, #8]
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strb r10, [r1, #2*pix8_size]
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strb r8, [r1, #12]
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strb r8, [r1, #3*pix8_size]
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strb r9, [r1, #16]
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strb r9, [r1, #4*pix8_size]
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strb r11, [r1, #20]
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strb r11, [r1, #5*pix8_size]
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strb r5, [r1, #24]
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strb r5, [r1, #6*pix8_size]
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strb r14, [r1, #28]
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strb r14, [r1, #7*pix8_size]
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#else
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strb r12, [r1]
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strb r4, [r1, #1]
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strb r10, [r1, #2]
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strb r8, [r1, #3]
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strb r9, [r1, #4]
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strb r11, [r1, #5]
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strb r5, [r1, #6]
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strb r14, [r1, #7]
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#endif
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#else /* ARMv5+ */
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#else /* ARMv5+ */
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add r12, r14, r4, lsl #16
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add r12, r14, r4, lsl #16
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orrs r9, r6, r7
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orrs r9, r6, r7
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@ -779,25 +727,14 @@ jpeg_idct8h:
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mov r12, r12, asr #21
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mov r12, r12, asr #21
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cmp r12, #255
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cmp r12, #255
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mvnhi r12, r12, asr #31
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mvnhi r12, r12, asr #31
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#ifdef HAVE_LCD_COLOR
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strb r12, [r1]
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strb r12, [r1]
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strb r12, [r1, #4]
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strb r12, [r1, #pix8_size]
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strb r12, [r1, #8]
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strb r12, [r1, #2*pix8_size]
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strb r12, [r1, #12]
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strb r12, [r1, #3*pix8_size]
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strb r12, [r1, #16]
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strb r12, [r1, #4*pix8_size]
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strb r12, [r1, #20]
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strb r12, [r1, #5*pix8_size]
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strb r12, [r1, #24]
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strb r12, [r1, #6*pix8_size]
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strb r12, [r1, #28]
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strb r12, [r1, #7*pix8_size]
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#else
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strb r12, [r1]
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strb r12, [r1, #1]
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strb r12, [r1, #2]
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strb r12, [r1, #3]
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strb r12, [r1, #4]
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strb r12, [r1, #5]
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strb r12, [r1, #6]
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strb r12, [r1, #7]
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#endif
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add r1, r1, r3
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add r1, r1, r3
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cmp r0, r2
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cmp r0, r2
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bcc 1b
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bcc 1b
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@ -869,25 +806,14 @@ jpeg_idct8h:
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mov r11, r11, asr #18
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mov r11, r11, asr #18
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cmp r11, #255
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cmp r11, #255
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mvnhi r11, r11, asr #31
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mvnhi r11, r11, asr #31
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#ifdef HAVE_LCD_COLOR
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strb r10, [r1]
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strb r10, [r1]
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strb r12, [r1, #4]
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strb r12, [r1, #pix8_size]
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strb r8, [r1, #8]
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strb r8, [r1, #2*pix8_size]
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strb r6, [r1, #12]
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strb r6, [r1, #3*pix8_size]
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strb r7, [r1, #16]
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strb r7, [r1, #4*pix8_size]
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strb r9, [r1, #20]
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strb r9, [r1, #5*pix8_size]
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strb r14, [r1, #24]
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strb r14, [r1, #6*pix8_size]
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strb r11, [r1, #28]
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strb r11, [r1, #7*pix8_size]
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#else
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strb r10, [r1]
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strb r12, [r1, #1]
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strb r8, [r1, #2]
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strb r6, [r1, #3]
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strb r7, [r1, #4]
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strb r9, [r1, #5]
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strb r14, [r1, #6]
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strb r11, [r1, #7]
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#endif
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#endif
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#endif
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add r1, r1, r3
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add r1, r1, r3
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cmp r0, r2
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cmp r0, r2
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@ -1009,25 +935,14 @@ jpeg_idct8h:
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bne 2f
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bne 2f
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sxth r4, r4
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sxth r4, r4
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usat r4, #8, r4, asr #5
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usat r4, #8, r4, asr #5
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#ifdef HAVE_LCD_COLOR
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strb r4, [r1]
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strb r4, [r1]
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strb r4, [r1, #4]
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strb r4, [r1, #pix8_size]
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strb r4, [r1, #8]
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strb r4, [r1, #2*pix8_size]
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strb r4, [r1, #12]
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strb r4, [r1, #3*pix8_size]
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strb r4, [r1, #16]
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strb r4, [r1, #4*pix8_size]
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strb r4, [r1, #20]
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strb r4, [r1, #5*pix8_size]
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strb r4, [r1, #24]
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strb r4, [r1, #6*pix8_size]
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strb r4, [r1, #28]
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strb r4, [r1, #7*pix8_size]
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#else
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strb r4, [r1]
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strb r4, [r1, #1]
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strb r4, [r1, #2]
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strb r4, [r1, #3]
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strb r4, [r1, #4]
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strb r4, [r1, #5]
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strb r4, [r1, #6]
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strb r4, [r1, #7]
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#endif
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add r1, r1, r3
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add r1, r1, r3
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cmp r0, r2
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cmp r0, r2
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bcc 1b
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bcc 1b
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@ -1083,25 +998,14 @@ jpeg_idct8h:
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usat r10, #8, r10, asr #18
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usat r10, #8, r10, asr #18
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usat r7, #8, r7, asr #18
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usat r7, #8, r7, asr #18
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usat r8, #8, r8, asr #18
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usat r8, #8, r8, asr #18
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#ifdef HAVE_LCD_COLOR
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strb r6, [r1]
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strb r6, [r1]
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strb r4, [r1, #4]
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strb r4, [r1, #pix8_size]
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strb r9, [r1, #8]
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strb r9, [r1, #2*pix8_size]
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strb r14, [r1, #12]
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strb r14, [r1, #3*pix8_size]
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strb r12, [r1, #16]
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strb r12, [r1, #4*pix8_size]
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strb r10, [r1, #20]
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strb r10, [r1, #5*pix8_size]
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strb r7, [r1, #24]
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strb r7, [r1, #6*pix8_size]
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strb r8, [r1, #28]
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strb r8, [r1, #7*pix8_size]
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#else
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|
||||||
strb r6, [r1]
|
|
||||||
strb r4, [r1, #1]
|
|
||||||
strb r9, [r1, #2]
|
|
||||||
strb r14, [r1, #3]
|
|
||||||
strb r12, [r1, #4]
|
|
||||||
strb r10, [r1, #5]
|
|
||||||
strb r7, [r1, #6]
|
|
||||||
strb r8, [r1, #7]
|
|
||||||
#endif
|
|
||||||
cmp r0, r2
|
cmp r0, r2
|
||||||
add r1, r1, r3
|
add r1, r1, r3
|
||||||
bcc 1b
|
bcc 1b
|
||||||
|
|
|
||||||
|
|
@ -23,6 +23,7 @@ my $src;
|
||||||
# Split the input file on any runs of '\' and whitespace.
|
# Split the input file on any runs of '\' and whitespace.
|
||||||
for (split(/[\s\\]+/m, <STDIN>)) {
|
for (split(/[\s\\]+/m, <STDIN>)) {
|
||||||
/^(\/)?[^:]+(\:)?$/;
|
/^(\/)?[^:]+(\:)?$/;
|
||||||
|
print ">>$& $src"
|
||||||
# Save target and continue if this item ends in ':'
|
# Save target and continue if this item ends in ':'
|
||||||
if (!($2 && ($target=$&))) {
|
if (!($2 && ($target=$&))) {
|
||||||
$src = $&;
|
$src = $&;
|
||||||
|
|
|
||||||
|
|
@ -25,6 +25,9 @@ preprocess = $(shell $(CC) $(PPCFLAGS) $(2) -E -P -x c -include config.h $(1) |
|
||||||
preprocess2file = $(shell $(CC) $(PPCFLAGS) $(3) -E -P -x c -include config.h $(1) | \
|
preprocess2file = $(shell $(CC) $(PPCFLAGS) $(3) -E -P -x c -include config.h $(1) | \
|
||||||
grep -v '^\#' | grep -v "^$$" > $(2))
|
grep -v '^\#' | grep -v "^$$" > $(2))
|
||||||
|
|
||||||
|
asmdefs2file = $(shell $(CC) $(PPCFLAGS) $(3) -S -x c -o - -include config.h $(1) | \
|
||||||
|
perl -ne 'if(/^AD_(\w+):$$/){$$var=$$1}else{/^\W\.word\W(.*)$$/ && $$var && print "\#define $$var $$1\n";$$var=0}' > $2)
|
||||||
|
|
||||||
c2obj = $(addsuffix .o,$(basename $(subst $(ROOTDIR),$(BUILDDIR),$(1))))
|
c2obj = $(addsuffix .o,$(basename $(subst $(ROOTDIR),$(BUILDDIR),$(1))))
|
||||||
|
|
||||||
# calculate dependencies for a list of source files $(2) and output them
|
# calculate dependencies for a list of source files $(2) and output them
|
||||||
|
|
@ -32,6 +35,7 @@ c2obj = $(addsuffix .o,$(basename $(subst $(ROOTDIR),$(BUILDDIR),$(1))))
|
||||||
mkdepfile = $(shell \
|
mkdepfile = $(shell \
|
||||||
$(CC) $(PPCFLAGS) $(OTHER_INC) -MG -MM -include config.h $(2) | \
|
$(CC) $(PPCFLAGS) $(OTHER_INC) -MG -MM -include config.h $(2) | \
|
||||||
sed -e "s: lang.h: lang/lang_core.o:" \
|
sed -e "s: lang.h: lang/lang_core.o:" \
|
||||||
|
-e 's:_asmdefs.o:_asmdefs.h:' \
|
||||||
-e "s: max_language_size.h: lang/max_language_size.h:" | \
|
-e "s: max_language_size.h: lang/max_language_size.h:" | \
|
||||||
$(TOOLSDIR)/addtargetdir.pl $(ROOTDIR) $(BUILDDIR) \
|
$(TOOLSDIR)/addtargetdir.pl $(ROOTDIR) $(BUILDDIR) \
|
||||||
>> $(1)_)
|
>> $(1)_)
|
||||||
|
|
|
||||||
|
|
@ -51,8 +51,8 @@ endif
|
||||||
|
|
||||||
all: $(DEPFILE) build
|
all: $(DEPFILE) build
|
||||||
|
|
||||||
# Subdir makefiles. their primary purpose is to populate SRC & OTHER_SRC
|
# Subdir makefiles. their primary purpose is to populate SRC, OTHER_SRC &
|
||||||
# but they also define special dependencies and compile rules
|
# ASMDEFS_SRC but they also define special dependencies and compile rules
|
||||||
include $(TOOLSDIR)/tools.make
|
include $(TOOLSDIR)/tools.make
|
||||||
include $(FIRMDIR)/firmware.make
|
include $(FIRMDIR)/firmware.make
|
||||||
include $(ROOTDIR)/apps/bitmaps/bitmaps.make
|
include $(ROOTDIR)/apps/bitmaps/bitmaps.make
|
||||||
|
|
@ -96,6 +96,7 @@ $(DEPFILE) dep:
|
||||||
@echo foo > /dev/null # there must be a "real" command in the rule
|
@echo foo > /dev/null # there must be a "real" command in the rule
|
||||||
$(call mkdepfile,$(DEPFILE),$(SRC))
|
$(call mkdepfile,$(DEPFILE),$(SRC))
|
||||||
$(call mkdepfile,$(DEPFILE),$(OTHER_SRC))
|
$(call mkdepfile,$(DEPFILE),$(OTHER_SRC))
|
||||||
|
$(call mkdepfile,$(DEPFILE),$(ASMDEFS_SRC))
|
||||||
@mv $(DEPFILE)_ $(DEPFILE)
|
@mv $(DEPFILE)_ $(DEPFILE)
|
||||||
$(call bmpdepfile,$(DEPFILE),$(BMP) $(PBMP))
|
$(call bmpdepfile,$(DEPFILE),$(BMP) $(PBMP))
|
||||||
|
|
||||||
|
|
@ -317,6 +318,12 @@ $(BUILDDIR)/%.o: $(ROOTDIR)/%.S
|
||||||
$(SILENT)mkdir -p $(dir $@)
|
$(SILENT)mkdir -p $(dir $@)
|
||||||
$(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) $(CFLAGS) -c $< -o $@
|
$(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) $(CFLAGS) -c $< -o $@
|
||||||
|
|
||||||
|
# generated definitions for use in .S files
|
||||||
|
$(BUILDDIR)/%_asmdefs.h: $(ROOTDIR)/%_asmdefs.c
|
||||||
|
$(call PRINTS,ASMDEFS $(@F))
|
||||||
|
$(SILENT)mkdir -p $(dir $@)
|
||||||
|
$(call asmdefs2file,$<,$@)
|
||||||
|
|
||||||
# when source and object are both in BUILDDIR (generated code):
|
# when source and object are both in BUILDDIR (generated code):
|
||||||
%.o: %.c
|
%.o: %.c
|
||||||
$(SILENT)mkdir -p $(dir $@)
|
$(SILENT)mkdir -p $(dir $@)
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue