pdc_stable_get_size(9)

💖 pdc_stable_get_size(9) — the Kernel API Manual page, bestie edition 🎀

okay so this is a section 9 kernel API page, and it's about pdc_stable_get_size — literally the little function that tells you how big the processor's Stable Storage is, in bytes. tiny page, huge main character energy. let's get into it ✨

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🌸 NAME 🌸

pdc_stable_get_size — get Stable Storage size, in bytes. that's it, that's the whole job 💅

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🦋 SYNOPSIS 🦋

int pdc_stable_get_size (unsigned long *size );

yep, one argument, one return, no drama 🫶

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💜 ARGUMENTS 💜

• size — a pointer, and that's where the size gets stored. so you hand it an address, it fills that address in with a number. classic handing-someone-your-notes-app situation 📝

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🔥 DESCRIPTION 🔥

so this PDC call returns the number of bytes in the processor's Stable Storage — and ngl, the exact wording matters here: it's the number of contiguous bytes implemented in Stable Storage starting from staddr=0. so it's counting from zero, no skipping around, no gaps being counted, periodt ✨

and the size value is an unsigned 64-bit integer which is a multiple of four. both of those things, fr fr — 64-bit, unsigned, mult of four. write that down 😌

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🌈 SEE ALSO 🌈

this is the part where the page just. keeps. going. every single sibling is listed, so here they all are, zero skips 👑

• the kernel file itself: ./arch/parisc/kernel/firmware.c, plus f_extend(9), convert_to_wide(9), set_firmware_width(9), pdc_emergency_unlock(9), pdc_add_valid(9), pdc_instr(9), pdc_chassis_info(9), pdc_pat_chassis_send_log(9), pdc_chassis_disp(9), __pdc_cpu_rendezvous(9), pdc_cpu_rendezvous_lock(9), pdc_cpu_rendezvous_unlock(9), pdc_pat_get_PDC_entrypoint(9), pdc_chassis_warn(9), pdc_coproc_cfg(9)
• pdc_iodc_read(9), pdc_system_map_find_mods(9), pdc_system_map_find_addrs(9), pdc_model_info(9), pdc_model_sysmodel(9), pdc_model_versions(9), pdc_model_cpuid(9), pdc_model_capabilities(9), pdc_model_platform_info(9), pdc_cache_info(9), pdc_spaceid_bits(9), pdc_btlb_info(9), pdc_mem_map_hpa(9), pdc_lan_station_id(9)
• pdc_stable_read(9), pdc_stable_write(9), pdc_stable_verify_contents(9), pdc_stable_initialize(9), pdc_get_initiator(9), pdc_pci_irt_size(9), pdc_pci_irt(9), pdc_pci_config_read(9), pdc_pci_config_write(9), pdc_tod_read(9), pdc_pim_toc11(9), pdc_pim_toc20(9), pdc_tod_set(9), pdc_iodc_print(9), pdc_iodc_getc(9)
• pdc_pat_cell_get_number(9), pdc_pat_cell_module(9), pdc_pat_cell_info(9), pdc_pat_cpu_get_number(9), pdc_pat_get_irt_size(9), pdc_pat_get_irt(9), pdc_pat_pd_get_addr_map(9), pdc_pat_pd_get_pdc_revisions(9), pdc_pat_pd_get_platform_counter(9)
• pdc_pat_io_pci_cfg_read(9), pdc_pat_io_pci_cfg_write(9), pdc_pat_mem_pdt_info(9), pdc_pat_mem_pdt_cell_info(9), pdc_pat_mem_read_cell_pdt(9), pdc_pat_mem_read_pd_pdt(9), pdc_pat_mem_get_dimm_phys_location(9)

sixty-ish pages of friends and every one of them is invited 💀🎀

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friendly heads up bestie: this is a section 9 kernel API page, so it's about kernel/firmware internals — not a command you type in a shell 🙈

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and that's the whole page! it lives in ./arch/parisc/kernel and the version/date on it is October 2026 — so like, future-dated and thriving 💜✨ bye bestie, go read your stable storage (respectfully) 🌸