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-rw-r--r--arch/sparc64/kernel/ebus.c6
-rw-r--r--arch/sparc64/kernel/isa.c4
-rw-r--r--arch/sparc64/kernel/pci_common.c196
-rw-r--r--arch/sparc64/kernel/pci_impl.h3
-rw-r--r--arch/sparc64/kernel/pci_psycho.c2
-rw-r--r--arch/sparc64/kernel/pci_sabre.c4
-rw-r--r--arch/sparc64/kernel/pci_schizo.c2
-rw-r--r--arch/sparc64/kernel/pci_sun4v.c3
-rw-r--r--arch/sparc64/kernel/prom.c25
9 files changed, 140 insertions, 105 deletions
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index c69504aa638..3125a5b4977 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -553,7 +553,7 @@ void __init ebus_init(void)
}
cookie = pdev->sysdata;
- ebusnd = cookie->prom_node;
+ ebusnd = cookie->prom_node->node;
ebus_chain = ebus = ebus_alloc(sizeof(struct linux_ebus));
ebus->next = NULL;
@@ -578,7 +578,7 @@ void __init ebus_init(void)
}
ebus->is_rio = is_rio;
cookie = pdev->sysdata;
- ebusnd = cookie->prom_node;
+ ebusnd = cookie->prom_node->node;
continue;
}
printk("ebus%d:", num_ebus);
@@ -622,7 +622,7 @@ void __init ebus_init(void)
break;
cookie = pdev->sysdata;
- ebusnd = cookie->prom_node;
+ ebusnd = cookie->prom_node->node;
ebus->next = ebus_alloc(sizeof(struct linux_ebus));
ebus = ebus->next;
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
index 30862abee61..ae02c3820ea 100644
--- a/arch/sparc64/kernel/isa.c
+++ b/arch/sparc64/kernel/isa.c
@@ -291,8 +291,8 @@ void __init isa_init(void)
isa_br->parent = pbm;
isa_br->self = pdev;
isa_br->index = index++;
- isa_br->prom_node = pdev_cookie->prom_node;
- strncpy(isa_br->prom_name, pdev_cookie->prom_name,
+ isa_br->prom_node = pdev_cookie->prom_node->node;
+ strncpy(isa_br->prom_name, pdev_cookie->prom_node->name,
sizeof(isa_br->prom_name));
prop_len = prom_getproperty(isa_br->prom_node,
diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c
index 2319d732b13..b06a2955bf5 100644
--- a/arch/sparc64/kernel/pci_common.c
+++ b/arch/sparc64/kernel/pci_common.c
@@ -9,6 +9,9 @@
#include <linux/init.h>
#include <asm/pbm.h>
+#include <asm/prom.h>
+
+#include "pci_impl.h"
/* Pass "pci=irq_verbose" on the kernel command line to enable this. */
int pci_irq_verbose;
@@ -31,16 +34,14 @@ void __init pci_fixup_host_bridge_self(struct pci_bus *pbus)
prom_halt();
}
-/* Find the OBP PROM device tree node for a PCI device.
- * Return zero if not found.
- */
-static int __init find_device_prom_node(struct pci_pbm_info *pbm,
- struct pci_dev *pdev,
- int bus_prom_node,
- struct linux_prom_pci_registers *pregs,
- int *nregs)
+/* Find the OBP PROM device tree node for a PCI device. */
+static struct device_node * __init
+find_device_prom_node(struct pci_pbm_info *pbm, struct pci_dev *pdev,
+ struct device_node *bus_node,
+ struct linux_prom_pci_registers **pregs,
+ int *nregs)
{
- int node;
+ struct device_node *dp;
*nregs = 0;
@@ -57,24 +58,30 @@ static int __init find_device_prom_node(struct pci_pbm_info *pbm,
pdev->device == PCI_DEVICE_ID_SUN_TOMATILLO ||
pdev->device == PCI_DEVICE_ID_SUN_SABRE ||
pdev->device == PCI_DEVICE_ID_SUN_HUMMINGBIRD))
- return bus_prom_node;
-
- node = prom_getchild(bus_prom_node);
- while (node != 0) {
- int err = prom_getproperty(node, "reg",
- (char *)pregs,
- sizeof(*pregs) * PROMREG_MAX);
- if (err == 0 || err == -1)
+ return bus_node;
+
+ dp = bus_node->child;
+ while (dp) {
+ struct linux_prom_pci_registers *regs;
+ struct property *prop;
+ int len;
+
+ prop = of_find_property(dp, "reg", &len);
+ if (!prop)
goto do_next_sibling;
- if (((pregs[0].phys_hi >> 8) & 0xff) == pdev->devfn) {
- *nregs = err / sizeof(*pregs);
- return node;
+
+ regs = prop->value;
+ if (((regs[0].phys_hi >> 8) & 0xff) == pdev->devfn) {
+ *pregs = regs;
+ *nregs = len / sizeof(struct linux_prom_pci_registers);
+ return dp;
}
do_next_sibling:
- node = prom_getsibling(node);
+ dp = dp->sibling;
}
- return 0;
+
+ return NULL;
}
/* Older versions of OBP on PCI systems encode 64-bit MEM
@@ -131,15 +138,17 @@ static void __init fixup_obp_assignments(struct pci_dev *pdev,
*/
static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm,
struct pci_dev *pdev,
- int bus_prom_node)
+ struct device_node *bus_node)
{
- struct linux_prom_pci_registers pregs[PROMREG_MAX];
+ struct linux_prom_pci_registers *pregs = NULL;
struct pcidev_cookie *pcp;
- int device_prom_node, nregs, err;
+ struct device_node *dp;
+ struct property *prop;
+ int nregs, len;
- device_prom_node = find_device_prom_node(pbm, pdev, bus_prom_node,
- pregs, &nregs);
- if (device_prom_node == 0) {
+ dp = find_device_prom_node(pbm, pdev, bus_node,
+ &pregs, &nregs);
+ if (!dp) {
/* If it is not in the OBP device tree then
* there must be a damn good reason for it.
*
@@ -153,45 +162,43 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm,
return;
}
- pcp = kmalloc(sizeof(*pcp), GFP_ATOMIC);
+ pcp = kzalloc(sizeof(*pcp), GFP_ATOMIC);
if (pcp == NULL) {
prom_printf("PCI_COOKIE: Fatal malloc error, aborting...\n");
prom_halt();
}
pcp->pbm = pbm;
- pcp->prom_node = device_prom_node;
- memcpy(pcp->prom_regs, pregs, sizeof(pcp->prom_regs));
+ pcp->prom_node = dp;
+ memcpy(pcp->prom_regs, pregs,
+ nregs * sizeof(struct linux_prom_pci_registers));
pcp->num_prom_regs = nregs;
- err = prom_getproperty(device_prom_node, "name",
- pcp->prom_name, sizeof(pcp->prom_name));
- if (err > 0)
- pcp->prom_name[err] = 0;
- else
- pcp->prom_name[0] = 0;
-
- err = prom_getproperty(device_prom_node,
- "assigned-addresses",
- (char *)pcp->prom_assignments,
- sizeof(pcp->prom_assignments));
- if (err == 0 || err == -1)
+
+ /* We can't have the pcidev_cookie assignments be just
+ * direct pointers into the property value, since they
+ * are potentially modified by the probing process.
+ */
+ prop = of_find_property(dp, "assigned-addresses", &len);
+ if (!prop) {
pcp->num_prom_assignments = 0;
- else
+ } else {
+ memcpy(pcp->prom_assignments, prop->value, len);
pcp->num_prom_assignments =
- (err / sizeof(pcp->prom_assignments[0]));
+ (len / sizeof(pcp->prom_assignments[0]));
+ }
- if (strcmp(pcp->prom_name, "ebus") == 0) {
- struct linux_prom_ebus_ranges erng[PROM_PCIRNG_MAX];
+ if (strcmp(dp->name, "ebus") == 0) {
+ struct linux_prom_ebus_ranges *erng;
int iter;
/* EBUS is special... */
- err = prom_getproperty(device_prom_node, "ranges",
- (char *)&erng[0], sizeof(erng));
- if (err == 0 || err == -1) {
+ prop = of_find_property(dp, "ranges", &len);
+ if (!prop) {
prom_printf("EBUS: Fatal error, no range property\n");
prom_halt();
}
- err = (err / sizeof(erng[0]));
- for(iter = 0; iter < err; iter++) {
+ erng = prop->value;
+ len = (len / sizeof(erng[0]));
+ for (iter = 0; iter < len; iter++) {
struct linux_prom_ebus_ranges *ep = &erng[iter];
struct linux_prom_pci_registers *ap;
@@ -203,7 +210,7 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm,
ap->size_hi = 0;
ap->size_lo = ep->size;
}
- pcp->num_prom_assignments = err;
+ pcp->num_prom_assignments = len;
}
fixup_obp_assignments(pdev, pcp);
@@ -213,7 +220,7 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm,
void __init pci_fill_in_pbm_cookies(struct pci_bus *pbus,
struct pci_pbm_info *pbm,
- int prom_node)
+ struct device_node *dp)
{
struct pci_dev *pdev, *pdev_next;
struct pci_bus *this_pbus, *pbus_next;
@@ -221,7 +228,7 @@ void __init pci_fill_in_pbm_cookies(struct pci_bus *pbus,
/* This must be _safe because the cookie fillin
routine can delete devices from the tree. */
list_for_each_entry_safe(pdev, pdev_next, &pbus->devices, bus_list)
- pdev_cookie_fillin(pbm, pdev, prom_node);
+ pdev_cookie_fillin(pbm, pdev, dp);
list_for_each_entry_safe(this_pbus, pbus_next, &pbus->children, node) {
struct pcidev_cookie *pcp = this_pbus->self->sysdata;
@@ -244,7 +251,6 @@ static void __init bad_assignment(struct pci_dev *pdev,
if (res)
prom_printf("PCI: RES[%016lx-->%016lx:(%lx)]\n",
res->start, res->end, res->flags);
- prom_printf("Please email this information to davem@redhat.com\n");
if (do_prom_halt)
prom_halt();
}
@@ -276,8 +282,7 @@ __init get_root_resource(struct linux_prom_pci_registers *ap,
return &pbm->mem_space;
default:
- printk("PCI: What is resource space %x? "
- "Tell davem@redhat.com about it!\n", space);
+ printk("PCI: What is resource space %x?\n", space);
return NULL;
};
}
@@ -572,50 +577,51 @@ static inline unsigned int pci_apply_intmap(struct pci_pbm_info *pbm,
struct pci_dev *pbus,
struct pci_dev *pdev,
unsigned int interrupt,
- unsigned int *cnode)
+ struct device_node **cnode)
{
- struct linux_prom_pci_intmap imap[PROM_PCIIMAP_MAX];
- struct linux_prom_pci_intmask imask;
+ struct linux_prom_pci_intmap *imap;
+ struct linux_prom_pci_intmask *imask;
struct pcidev_cookie *pbus_pcp = pbus->sysdata;
struct pcidev_cookie *pdev_pcp = pdev->sysdata;
struct linux_prom_pci_registers *pregs = pdev_pcp->prom_regs;
+ struct property *prop;
int plen, num_imap, i;
unsigned int hi, mid, lo, irq, orig_interrupt;
*cnode = pbus_pcp->prom_node;
- plen = prom_getproperty(pbus_pcp->prom_node, "interrupt-map",
- (char *) &imap[0], sizeof(imap));
- if (plen <= 0 ||
+ prop = of_find_property(pbus_pcp->prom_node, "interrupt-map", &plen);
+ if (!prop ||
(plen % sizeof(struct linux_prom_pci_intmap)) != 0) {
printk("%s: Device %s interrupt-map has bad len %d\n",
pbm->name, pci_name(pbus), plen);
goto no_intmap;
}
+ imap = prop->value;
num_imap = plen / sizeof(struct linux_prom_pci_intmap);
- plen = prom_getproperty(pbus_pcp->prom_node, "interrupt-map-mask",
- (char *) &imask, sizeof(imask));
- if (plen <= 0 ||
+ prop = of_find_property(pbus_pcp->prom_node, "interrupt-map-mask", &plen);
+ if (!prop ||
(plen % sizeof(struct linux_prom_pci_intmask)) != 0) {
printk("%s: Device %s interrupt-map-mask has bad len %d\n",
pbm->name, pci_name(pbus), plen);
goto no_intmap;
}
+ imask = prop->value;
orig_interrupt = interrupt;
- hi = pregs->phys_hi & imask.phys_hi;
- mid = pregs->phys_mid & imask.phys_mid;
- lo = pregs->phys_lo & imask.phys_lo;
- irq = interrupt & imask.interrupt;
+ hi = pregs->phys_hi & imask->phys_hi;
+ mid = pregs->phys_mid & imask->phys_mid;
+ lo = pregs->phys_lo & imask->phys_lo;
+ irq = interrupt & imask->interrupt;
for (i = 0; i < num_imap; i++) {
if (imap[i].phys_hi == hi &&
imap[i].phys_mid == mid &&
imap[i].phys_lo == lo &&
imap[i].interrupt == irq) {
- *cnode = imap[i].cnode;
+ *cnode = of_find_node_by_phandle(imap[i].cnode);
interrupt = imap[i].cinterrupt;
}
}
@@ -638,21 +644,22 @@ no_intmap:
* all interrupt translations are complete, else we should use that node's
* "reg" property to apply the PBM's "interrupt-{map,mask}" to the interrupt.
*/
-static unsigned int __init pci_intmap_match_to_root(struct pci_pbm_info *pbm,
- struct pci_dev *pdev,
- unsigned int *interrupt)
+static struct device_node * __init
+pci_intmap_match_to_root(struct pci_pbm_info *pbm,
+ struct pci_dev *pdev,
+ unsigned int *interrupt)
{
struct pci_dev *toplevel_pdev = pdev;
struct pcidev_cookie *toplevel_pcp = toplevel_pdev->sysdata;
- unsigned int cnode = toplevel_pcp->prom_node;
+ struct device_node *cnode = toplevel_pcp->prom_node;
while (pdev->bus->number != pbm->pci_first_busno) {
struct pci_dev *pbus = pdev->bus->self;
struct pcidev_cookie *pcp = pbus->sysdata;
- int plen;
+ struct property *prop;
- plen = prom_getproplen(pcp->prom_node, "interrupt-map");
- if (plen <= 0) {
+ prop = of_find_property(pcp->prom_node, "interrupt-map", NULL);
+ if (!prop) {
*interrupt = pci_slot_swivel(pbm, toplevel_pdev,
pdev, *interrupt);
cnode = pcp->prom_node;
@@ -669,7 +676,7 @@ static unsigned int __init pci_intmap_match_to_root(struct pci_pbm_info *pbm,
}
pdev = pbus;
- if (cnode == pbm->prom_node->node)
+ if (cnode == pbm->prom_node)
break;
}
@@ -680,21 +687,24 @@ static int __init pci_intmap_match(struct pci_dev *pdev, unsigned int *interrupt
{
struct pcidev_cookie *dev_pcp = pdev->sysdata;
struct pci_pbm_info *pbm = dev_pcp->pbm;
- struct linux_prom_pci_registers reg[PROMREG_MAX];
+ struct linux_prom_pci_registers *reg;
+ struct device_node *cnode;
+ struct property *prop;
unsigned int hi, mid, lo, irq;
- int i, cnode, plen;
+ int i, plen;
cnode = pci_intmap_match_to_root(pbm, pdev, interrupt);
- if (cnode == pbm->prom_node->node)
+ if (cnode == pbm->prom_node)
goto success;
- plen = prom_getproperty(cnode, "reg", (char *) reg, sizeof(reg));
- if (plen <= 0 ||
+ prop = of_find_property(cnode, "reg", &plen);
+ if (!prop ||
(plen % sizeof(struct linux_prom_pci_registers)) != 0) {
- printk("%s: OBP node %x reg property has bad len %d\n",
- pbm->name, cnode, plen);
+ printk("%s: OBP node %s reg property has bad len %d\n",
+ pbm->name, cnode->full_name, plen);
goto fail;
}
+ reg = prop->value;
hi = reg[0].phys_hi & pbm->pbm_intmask->phys_hi;
mid = reg[0].phys_mid & pbm->pbm_intmask->phys_mid;
@@ -734,8 +744,8 @@ static void __init pdev_fixup_irq(struct pci_dev *pdev)
struct pci_controller_info *p = pbm->parent;
unsigned int portid = pbm->portid;
unsigned int prom_irq;
- int prom_node = pcp->prom_node;
- int err;
+ struct device_node *dp = pcp->prom_node;
+ struct property *prop;
/* If this is an empty EBUS device, sometimes OBP fails to
* give it a valid fully specified interrupts property.
@@ -746,17 +756,17 @@ static void __init pdev_fixup_irq(struct pci_dev *pdev)
*/
if (pdev->vendor == PCI_VENDOR_ID_SUN &&
pdev->device == PCI_DEVICE_ID_SUN_EBUS &&
- !prom_getchild(prom_node)) {
+ !dp->child) {
pdev->irq = 0;
return;
}
- err = prom_getproperty(prom_node, "interrupts",
- (char *)&prom_irq, sizeof(prom_irq));
- if (err == 0 || err == -1) {
+ prop = of_find_property(dp, "interrupts", NULL);
+ if (!prop) {
pdev->irq = 0;
return;
}
+ prom_irq = *(unsigned int *) prop->value;
if (tlb_type != hypervisor) {
/* Fully specified already? */
diff --git a/arch/sparc64/kernel/pci_impl.h b/arch/sparc64/kernel/pci_impl.h
index 6c320596254..971e2bea30b 100644
--- a/arch/sparc64/kernel/pci_impl.h
+++ b/arch/sparc64/kernel/pci_impl.h
@@ -10,6 +10,7 @@
#include <linux/types.h>
#include <linux/spinlock.h>
#include <asm/io.h>
+#include <asm/prom.h>
extern struct pci_controller_info *pci_controller_root;
@@ -19,7 +20,7 @@ extern int pci_num_controllers;
extern void pci_fixup_host_bridge_self(struct pci_bus *pbus);
extern void pci_fill_in_pbm_cookies(struct pci_bus *pbus,
struct pci_pbm_info *pbm,
- int prom_node);
+ struct device_node *prom_node);
extern void pci_record_assignments(struct pci_pbm_info *pbm,
struct pci_bus *pbus);
extern void pci_assign_unassigned(struct pci_pbm_info *pbm,
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 40c2b681998..5b2261ebda6 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -1104,7 +1104,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
pci_fixup_host_bridge_self(pbm->pci_bus);
pbm->pci_bus->self->sysdata = cookie;
- pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node->node);
+ pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
pci_record_assignments(pbm, pbm->pci_bus);
pci_assign_unassigned(pbm, pbm->pci_bus);
pci_fixup_irq(pbm, pbm->pci_bus);
diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index 4ce7b4620c0..26f194ce440 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -1161,7 +1161,7 @@ static void sabre_scan_bus(struct pci_controller_info *p)
pbus->sysdata = pbm;
pbm->pci_bus = pbus;
- pci_fill_in_pbm_cookies(pbus, pbm, pbm->prom_node->node);
+ pci_fill_in_pbm_cookies(pbus, pbm, pbm->prom_node);
pci_record_assignments(pbm, pbus);
pci_assign_unassigned(pbm, pbus);
pci_fixup_irq(pbm, pbus);
@@ -1174,7 +1174,7 @@ static void sabre_scan_bus(struct pci_controller_info *p)
pbm = &p->pbm_A;
sabre_bus->sysdata = pbm;
pbm->pci_bus = sabre_bus;
- pci_fill_in_pbm_cookies(sabre_bus, pbm, pbm->prom_node->node);
+ pci_fill_in_pbm_cookies(sabre_bus, pbm, pbm->prom_node);
pci_record_assignments(pbm, sabre_bus);
pci_assign_unassigned(pbm, sabre_bus);
pci_fixup_irq(pbm, sabre_bus);
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index d2682008684..f16449ccd7b 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -1438,7 +1438,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
pci_fixup_host_bridge_self(pbm->pci_bus);
pbm->pci_bus->self->sysdata = cookie;
- pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node->node);
+ pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
pci_record_assignments(pbm, pbm->pci_bus);
pci_assign_unassigned(pbm, pbm->pci_bus);
pci_fixup_irq(pbm, pbm->pci_bus);
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index b275c7df018..b69e2270a72 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -814,8 +814,7 @@ static void pbm_scan_bus(struct pci_controller_info *p,
pci_fixup_host_bridge_self(pbm->pci_bus);
pbm->pci_bus->self->sysdata = cookie;
#endif
- pci_fill_in_pbm_cookies(pbm->pci_bus, pbm,
- pbm->prom_node->node);
+ pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node);
pci_record_assignments(pbm, pbm->pci_bus);
pci_assign_unassigned(pbm, pbm->pci_bus);
pci_fixup_irq(pbm, pbm->pci_bus);
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 0a32b1064df..fb112c3c048 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -20,6 +20,7 @@
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
+#include <linux/module.h>
#include <asm/prom.h>
#include <asm/oplib.h>
@@ -63,6 +64,17 @@ struct device_node *of_find_node_by_path(const char *path)
return np;
}
+struct device_node *of_find_node_by_phandle(phandle handle)
+{
+ struct device_node *np;
+
+ for (np = allnodes; np != 0; np = np->allnext)
+ if (np->node == handle)
+ break;
+
+ return np;
+}
+
struct device_node *of_find_node_by_name(struct device_node *from,
const char *name)
{
@@ -103,6 +115,18 @@ struct property *of_find_property(struct device_node *np, const char *name,
}
return pp;
}
+EXPORT_SYMBOL(of_find_property);
+
+/*
+ * Find a property with a given name for a given node
+ * and return the value.
+ */
+void *of_get_property(struct device_node *np, const char *name, int *lenp)
+{
+ struct property *pp = of_find_property(np,name,lenp);
+ return pp ? pp->value : NULL;
+}
+EXPORT_SYMBOL(of_get_property);
int of_getintprop_default(struct device_node *np, const char *name, int def)
{
@@ -115,6 +139,7 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
return *(int *) prop->value;
}
+EXPORT_SYMBOL(of_getintprop_default);
static unsigned int prom_early_allocated;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 08:42:28 +0000