struct radeon_cs_reloc **cs_reloc);
int r100_cs_parse_packet0(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
- unsigned *auth, unsigned n,
+ const unsigned *auth, unsigned n,
radeon_packet0_check_t check);
-int r100_cs_parse_packet3(struct radeon_cs_parser *p,
- struct radeon_cs_packet *pkt,
- unsigned *auth, unsigned n,
- radeon_packet3_check_t check);
void r100_cs_dump_packet(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt);
+int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt,
+ struct radeon_object *robj);
/* This files gather functions specifics to:
* r300,r350,rv350,rv370,rv380
if (i < 0 || i > rdev->gart.num_gpu_pages) {
return -EINVAL;
}
- addr = (((u32)addr) >> 8) | ((upper_32_bits(addr) & 0xff) << 4) | 0xC;
+ addr = (lower_32_bits(addr) >> 8) |
+ ((upper_32_bits(addr) & 0xff) << 24) |
+ 0xc;
writel(cpu_to_le32(addr), ((void __iomem *)ptr) + (i * 4));
return 0;
}
return r;
}
/* Must wait for 2D idle & clean before DMA or hangs might happen */
- radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
+ radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0 ));
radeon_ring_write(rdev, (1 << 16));
for (i = 0; i < num_loops; i++) {
cur_size = size;
/* Sub pixel 1/12 so we can have 4K rendering according to doc */
gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
- switch (rdev->num_gb_pipes) {
+ switch(rdev->num_gb_pipes) {
case 2:
gb_tile_config |= R300_PIPE_COUNT_R300;
break;
case 4:
gb_tile_config |= R300_PIPE_COUNT_R420;
break;
- case 1:
default:
+ case 1:
gb_tile_config |= R300_PIPE_COUNT_RV350;
break;
}
unsigned offset;
};
+struct r300_cs_track_array {
+ struct radeon_object *robj;
+ unsigned esize;
+};
+
+struct r300_cs_track_texture {
+ struct radeon_object *robj;
+ unsigned pitch;
+ unsigned width;
+ unsigned height;
+ unsigned num_levels;
+ unsigned cpp;
+ unsigned tex_coord_type;
+ unsigned txdepth;
+ unsigned width_11;
+ unsigned height_11;
+ bool use_pitch;
+ bool enabled;
+ bool roundup_w;
+ bool roundup_h;
+};
+
struct r300_cs_track {
- unsigned num_cb;
- unsigned maxy;
- struct r300_cs_track_cb cb[4];
- struct r300_cs_track_cb zb;
- bool z_enabled;
+ unsigned num_cb;
+ unsigned maxy;
+ unsigned vtx_size;
+ unsigned vap_vf_cntl;
+ unsigned immd_dwords;
+ unsigned num_arrays;
+ unsigned max_indx;
+ struct r300_cs_track_array arrays[11];
+ struct r300_cs_track_cb cb[4];
+ struct r300_cs_track_cb zb;
+ struct r300_cs_track_texture textures[16];
+ bool z_enabled;
};
+static inline void r300_cs_track_texture_print(struct r300_cs_track_texture *t)
+{
+ DRM_ERROR("pitch %d\n", t->pitch);
+ DRM_ERROR("width %d\n", t->width);
+ DRM_ERROR("height %d\n", t->height);
+ DRM_ERROR("num levels %d\n", t->num_levels);
+ DRM_ERROR("depth %d\n", t->txdepth);
+ DRM_ERROR("bpp %d\n", t->cpp);
+ DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
+ DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
+ DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
+}
+
+static inline int r300_cs_track_texture_check(struct radeon_device *rdev,
+ struct r300_cs_track *track)
+{
+ struct radeon_object *robj;
+ unsigned long size;
+ unsigned u, i, w, h;
+
+ for (u = 0; u < 16; u++) {
+ if (!track->textures[u].enabled)
+ continue;
+ robj = track->textures[u].robj;
+ if (robj == NULL) {
+ DRM_ERROR("No texture bound to unit %u\n", u);
+ return -EINVAL;
+ }
+ size = 0;
+ for (i = 0; i <= track->textures[u].num_levels; i++) {
+ if (track->textures[u].use_pitch) {
+ w = track->textures[u].pitch / (1 << i);
+ } else {
+ w = track->textures[u].width / (1 << i);
+ if (rdev->family >= CHIP_RV515)
+ w |= track->textures[u].width_11;
+ if (track->textures[u].roundup_w)
+ w = roundup_pow_of_two(w);
+ }
+ h = track->textures[u].height / (1 << i);
+ if (rdev->family >= CHIP_RV515)
+ h |= track->textures[u].height_11;
+ if (track->textures[u].roundup_h)
+ h = roundup_pow_of_two(h);
+ size += w * h;
+ }
+ size *= track->textures[u].cpp;
+ switch (track->textures[u].tex_coord_type) {
+ case 0:
+ break;
+ case 1:
+ size *= (1 << track->textures[u].txdepth);
+ break;
+ case 2:
+ size *= 6;
+ break;
+ default:
+ DRM_ERROR("Invalid texture coordinate type %u for unit "
+ "%u\n", track->textures[u].tex_coord_type, u);
+ return -EINVAL;
+ }
+ if (size > radeon_object_size(robj)) {
+ DRM_ERROR("Texture of unit %u needs %lu bytes but is "
+ "%lu\n", u, size, radeon_object_size(robj));
+ r300_cs_track_texture_print(&track->textures[u]);
+ return -EINVAL;
+ }
+ }
+ return 0;
+}
+
int r300_cs_track_check(struct radeon_device *rdev, struct r300_cs_track *track)
{
unsigned i;
unsigned long size;
+ unsigned prim_walk;
+ unsigned nverts;
for (i = 0; i < track->num_cb; i++) {
if (track->cb[i].robj == NULL) {
return -EINVAL;
}
}
- return 0;
+ prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
+ nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
+ switch (prim_walk) {
+ case 1:
+ for (i = 0; i < track->num_arrays; i++) {
+ size = track->arrays[i].esize * track->max_indx * 4;
+ if (track->arrays[i].robj == NULL) {
+ DRM_ERROR("(PW %u) Vertex array %u no buffer "
+ "bound\n", prim_walk, i);
+ return -EINVAL;
+ }
+ if (size > radeon_object_size(track->arrays[i].robj)) {
+ DRM_ERROR("(PW %u) Vertex array %u need %lu dwords "
+ "have %lu dwords\n", prim_walk, i,
+ size >> 2,
+ radeon_object_size(track->arrays[i].robj) >> 2);
+ DRM_ERROR("Max indices %u\n", track->max_indx);
+ return -EINVAL;
+ }
+ }
+ break;
+ case 2:
+ for (i = 0; i < track->num_arrays; i++) {
+ size = track->arrays[i].esize * (nverts - 1) * 4;
+ if (track->arrays[i].robj == NULL) {
+ DRM_ERROR("(PW %u) Vertex array %u no buffer "
+ "bound\n", prim_walk, i);
+ return -EINVAL;
+ }
+ if (size > radeon_object_size(track->arrays[i].robj)) {
+ DRM_ERROR("(PW %u) Vertex array %u need %lu dwords "
+ "have %lu dwords\n", prim_walk, i, size >> 2,
+ radeon_object_size(track->arrays[i].robj) >> 2);
+ return -EINVAL;
+ }
+ }
+ break;
+ case 3:
+ size = track->vtx_size * nverts;
+ if (size != track->immd_dwords) {
+ DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
+ track->immd_dwords, size);
+ DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
+ nverts, track->vtx_size);
+ return -EINVAL;
+ }
+ break;
+ default:
+ DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
+ prim_walk);
+ return -EINVAL;
+ }
+ return r300_cs_track_texture_check(rdev, track);
}
static inline void r300_cs_track_clear(struct r300_cs_track *track)
track->zb.pitch = 8192;
track->zb.cpp = 4;
track->zb.offset = 0;
+ track->vtx_size = 0x7F;
+ track->immd_dwords = 0xFFFFFFFFUL;
+ track->num_arrays = 11;
+ track->max_indx = 0x00FFFFFFUL;
+ for (i = 0; i < track->num_arrays; i++) {
+ track->arrays[i].robj = NULL;
+ track->arrays[i].esize = 0x7F;
+ }
+ for (i = 0; i < 16; i++) {
+ track->textures[i].pitch = 16536;
+ track->textures[i].width = 16536;
+ track->textures[i].height = 16536;
+ track->textures[i].width_11 = 1 << 11;
+ track->textures[i].height_11 = 1 << 11;
+ track->textures[i].num_levels = 12;
+ track->textures[i].txdepth = 16;
+ track->textures[i].cpp = 64;
+ track->textures[i].tex_coord_type = 1;
+ track->textures[i].robj = NULL;
+ /* CS IB emission code makes sure texture unit are disabled */
+ track->textures[i].enabled = false;
+ track->textures[i].roundup_w = true;
+ track->textures[i].roundup_h = true;
+ }
}
-static unsigned r300_auth_reg[] = {
+static const unsigned r300_reg_safe_bm[159] = {
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFFBF, 0xFFFFFFFF, 0xFFFFFFBF, 0xFFFFFFFF,
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF03F,
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
- 0xFFFFFFFF, 0xFFFFCFCC, 0xF00E9FFF, 0x007C0000,
+ 0xFFFFFFFF, 0xFFFFEFCE, 0xF00EBFFF, 0x007C0000,
0xF0000078, 0xFF000009, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
- 0xFFFFFC78, 0xFFFFFFFF, 0xFFFFFFFC, 0xFFFFFFFF,
+ 0xFFFFFC78, 0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFF,
0x38FF8F50, 0xFFF88082, 0xF000000C, 0xFAE009FF,
- 0x00000000, 0x00000000, 0xFFFF0000, 0x00000000,
+ 0x0000FFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000,
0x00000000, 0x0000C100, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0xFFFF0000, 0xFFFFFFFF, 0xFF80FFFF,
ib = p->ib->ptr;
ib_chunk = &p->chunks[p->chunk_ib_idx];
- track = (struct r300_cs_track *)p->track;
- switch (reg) {
+ track = (struct r300_cs_track*)p->track;
+ switch(reg) {
case RADEON_DST_PITCH_OFFSET:
case RADEON_SRC_PITCH_OFFSET:
r = r100_cs_packet_next_reloc(p, &reloc);
case R300_TX_OFFSET_0+52:
case R300_TX_OFFSET_0+56:
case R300_TX_OFFSET_0+60:
+ i = (reg - R300_TX_OFFSET_0) >> 2;
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
return r;
}
ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
+ track->textures[i].robj = reloc->robj;
break;
/* Tracked registers */
+ case 0x2084:
+ /* VAP_VF_CNTL */
+ track->vap_vf_cntl = ib_chunk->kdata[idx];
+ break;
+ case 0x20B4:
+ /* VAP_VTX_SIZE */
+ track->vtx_size = ib_chunk->kdata[idx] & 0x7F;
+ break;
+ case 0x2134:
+ /* VAP_VF_MAX_VTX_INDX */
+ track->max_indx = ib_chunk->kdata[idx] & 0x00FFFFFFUL;
+ break;
case 0x43E4:
/* SC_SCISSOR1 */
-
track->maxy = ((ib_chunk->kdata[idx] >> 13) & 0x1FFF) + 1;
if (p->rdev->family < CHIP_RV515) {
track->maxy -= 1440;
/* ZB_DEPTHPITCH */
track->zb.pitch = ib_chunk->kdata[idx] & 0x3FFC;
break;
+ case 0x4104:
+ for (i = 0; i < 16; i++) {
+ bool enabled;
+
+ enabled = !!(ib_chunk->kdata[idx] & (1 << i));
+ track->textures[i].enabled = enabled;
+ }
+ break;
+ case 0x44C0:
+ case 0x44C4:
+ case 0x44C8:
+ case 0x44CC:
+ case 0x44D0:
+ case 0x44D4:
+ case 0x44D8:
+ case 0x44DC:
+ case 0x44E0:
+ case 0x44E4:
+ case 0x44E8:
+ case 0x44EC:
+ case 0x44F0:
+ case 0x44F4:
+ case 0x44F8:
+ case 0x44FC:
+ /* TX_FORMAT1_[0-15] */
+ i = (reg - 0x44C0) >> 2;
+ tmp = (ib_chunk->kdata[idx] >> 25) & 0x3;
+ track->textures[i].tex_coord_type = tmp;
+ switch ((ib_chunk->kdata[idx] & 0x1F)) {
+ case 0:
+ case 2:
+ case 5:
+ case 18:
+ case 20:
+ case 21:
+ track->textures[i].cpp = 1;
+ break;
+ case 1:
+ case 3:
+ case 6:
+ case 7:
+ case 10:
+ case 11:
+ case 19:
+ case 22:
+ case 24:
+ track->textures[i].cpp = 2;
+ break;
+ case 4:
+ case 8:
+ case 9:
+ case 12:
+ case 13:
+ case 23:
+ case 25:
+ case 27:
+ case 30:
+ track->textures[i].cpp = 4;
+ break;
+ case 14:
+ case 26:
+ case 28:
+ track->textures[i].cpp = 8;
+ break;
+ case 29:
+ track->textures[i].cpp = 16;
+ break;
+ default:
+ DRM_ERROR("Invalid texture format %u\n",
+ (ib_chunk->kdata[idx] & 0x1F));
+ return -EINVAL;
+ break;
+ }
+ break;
+ case 0x4400:
+ case 0x4404:
+ case 0x4408:
+ case 0x440C:
+ case 0x4410:
+ case 0x4414:
+ case 0x4418:
+ case 0x441C:
+ case 0x4420:
+ case 0x4424:
+ case 0x4428:
+ case 0x442C:
+ case 0x4430:
+ case 0x4434:
+ case 0x4438:
+ case 0x443C:
+ /* TX_FILTER0_[0-15] */
+ i = (reg - 0x4400) >> 2;
+ tmp = ib_chunk->kdata[idx] & 0x7;;
+ if (tmp == 2 || tmp == 4 || tmp == 6) {
+ track->textures[i].roundup_w = false;
+ }
+ tmp = (ib_chunk->kdata[idx] >> 3) & 0x7;;
+ if (tmp == 2 || tmp == 4 || tmp == 6) {
+ track->textures[i].roundup_h = false;
+ }
+ break;
+ case 0x4500:
+ case 0x4504:
+ case 0x4508:
+ case 0x450C:
+ case 0x4510:
+ case 0x4514:
+ case 0x4518:
+ case 0x451C:
+ case 0x4520:
+ case 0x4524:
+ case 0x4528:
+ case 0x452C:
+ case 0x4530:
+ case 0x4534:
+ case 0x4538:
+ case 0x453C:
+ /* TX_FORMAT2_[0-15] */
+ i = (reg - 0x4500) >> 2;
+ tmp = ib_chunk->kdata[idx] & 0x3FFF;
+ track->textures[i].pitch = tmp + 1;
+ if (p->rdev->family >= CHIP_RV515) {
+ tmp = ((ib_chunk->kdata[idx] >> 15) & 1) << 11;
+ track->textures[i].width_11 = tmp;
+ tmp = ((ib_chunk->kdata[idx] >> 16) & 1) << 11;
+ track->textures[i].height_11 = tmp;
+ }
+ break;
+ case 0x4480:
+ case 0x4484:
+ case 0x4488:
+ case 0x448C:
+ case 0x4490:
+ case 0x4494:
+ case 0x4498:
+ case 0x449C:
+ case 0x44A0:
+ case 0x44A4:
+ case 0x44A8:
+ case 0x44AC:
+ case 0x44B0:
+ case 0x44B4:
+ case 0x44B8:
+ case 0x44BC:
+ /* TX_FORMAT0_[0-15] */
+ i = (reg - 0x4480) >> 2;
+ tmp = ib_chunk->kdata[idx] & 0x7FF;
+ track->textures[i].width = tmp + 1;
+ tmp = (ib_chunk->kdata[idx] >> 11) & 0x7FF;
+ track->textures[i].height = tmp + 1;
+ tmp = (ib_chunk->kdata[idx] >> 26) & 0xF;
+ track->textures[i].num_levels = tmp;
+ tmp = ib_chunk->kdata[idx] & (1 << 31);
+ track->textures[i].use_pitch = !!tmp;
+ tmp = (ib_chunk->kdata[idx] >> 22) & 0xF;
+ track->textures[i].txdepth = tmp;
+ break;
default:
- printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n", reg, idx);
+ printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
+ reg, idx);
return -EINVAL;
}
return 0;
ib = p->ib->ptr;
ib_chunk = &p->chunks[p->chunk_ib_idx];
idx = pkt->idx + 1;
- track = (struct r300_cs_track *)p->track;
- switch (pkt->opcode) {
+ track = (struct r300_cs_track*)p->track;
+ switch(pkt->opcode) {
case PACKET3_3D_LOAD_VBPNTR:
- c = ib_chunk->kdata[idx++];
- for (i = 0; i < (c - 1); i += 2, idx += 3) {
+ c = ib_chunk->kdata[idx++] & 0x1F;
+ track->num_arrays = c;
+ for (i = 0; i < (c - 1); i+=2, idx+=3) {
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for packet3 %d\n",
return r;
}
ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset);
+ track->arrays[i + 0].robj = reloc->robj;
+ track->arrays[i + 0].esize = ib_chunk->kdata[idx] >> 8;
+ track->arrays[i + 0].esize &= 0x7F;
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for packet3 %d\n",
return r;
}
ib[idx+2] = ib_chunk->kdata[idx+2] + ((u32)reloc->lobj.gpu_offset);
+ track->arrays[i + 1].robj = reloc->robj;
+ track->arrays[i + 1].esize = ib_chunk->kdata[idx] >> 24;
+ track->arrays[i + 1].esize &= 0x7F;
}
if (c & 1) {
r = r100_cs_packet_next_reloc(p, &reloc);
return r;
}
ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset);
+ track->arrays[i + 0].robj = reloc->robj;
+ track->arrays[i + 0].esize = ib_chunk->kdata[idx] >> 8;
+ track->arrays[i + 0].esize &= 0x7F;
}
break;
case PACKET3_INDX_BUFFER:
return r;
}
ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset);
+ r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
+ if (r) {
+ return r;
+ }
break;
/* Draw packet */
- case PACKET3_3D_DRAW_VBUF:
case PACKET3_3D_DRAW_IMMD:
- case PACKET3_3D_DRAW_INDX:
- case PACKET3_3D_DRAW_VBUF_2:
+ /* Number of dwords is vtx_size * (num_vertices - 1)
+ * PRIM_WALK must be equal to 3 vertex data in embedded
+ * in cmd stream */
+ if (((ib_chunk->kdata[idx+1] >> 4) & 0x3) != 3) {
+ DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
+ return -EINVAL;
+ }
+ track->vap_vf_cntl = ib_chunk->kdata[idx+1];
+ track->immd_dwords = pkt->count - 1;
+ r = r300_cs_track_check(p->rdev, track);
+ if (r) {
+ return r;
+ }
+ break;
case PACKET3_3D_DRAW_IMMD_2:
+ /* Number of dwords is vtx_size * (num_vertices - 1)
+ * PRIM_WALK must be equal to 3 vertex data in embedded
+ * in cmd stream */
+ if (((ib_chunk->kdata[idx] >> 4) & 0x3) != 3) {
+ DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
+ return -EINVAL;
+ }
+ track->vap_vf_cntl = ib_chunk->kdata[idx];
+ track->immd_dwords = pkt->count;
+ r = r300_cs_track_check(p->rdev, track);
+ if (r) {
+ return r;
+ }
+ break;
+ case PACKET3_3D_DRAW_VBUF:
+ track->vap_vf_cntl = ib_chunk->kdata[idx + 1];
+ r = r300_cs_track_check(p->rdev, track);
+ if (r) {
+ return r;
+ }
+ break;
+ case PACKET3_3D_DRAW_VBUF_2:
+ track->vap_vf_cntl = ib_chunk->kdata[idx];
+ r = r300_cs_track_check(p->rdev, track);
+ if (r) {
+ return r;
+ }
+ break;
+ case PACKET3_3D_DRAW_INDX:
+ track->vap_vf_cntl = ib_chunk->kdata[idx + 1];
+ r = r300_cs_track_check(p->rdev, track);
+ if (r) {
+ return r;
+ }
+ break;
case PACKET3_3D_DRAW_INDX_2:
+ track->vap_vf_cntl = ib_chunk->kdata[idx];
r = r300_cs_track_check(p->rdev, track);
if (r) {
return r;
switch (pkt.type) {
case PACKET_TYPE0:
r = r100_cs_parse_packet0(p, &pkt,
- r300_auth_reg,
- ARRAY_SIZE(r300_auth_reg),
+ p->rdev->config.r300.reg_safe_bm,
+ p->rdev->config.r300.reg_safe_bm_size,
&r300_packet0_check);
break;
case PACKET_TYPE2:
} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
return 0;
}
+
+int r300_init(struct radeon_device *rdev)
+{
+ rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
+ rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
+ return 0;
+}
projects / deliverable / linux.git / blobdiff